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MAX1586BETM+

hot MAX1586BETM+

MAX1586BETM+

For Reference Only

Part Number MAX1586BETM+
Manufacturer Maxim Integrated
Description IC POWER MANAGEMENT 48-TQFN
Datasheet MAX1586BETM+ Datasheet
Package 48-WFQFN Exposed Pad
In Stock 870 piece(s)
Unit Price $ 8.607 *
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MAX1586BETM+ Specifications

ManufacturerMaxim Integrated
CategoryIntegrated Circuits (ICs) - PMIC - Power Management - Specialized
Datasheet MAX1586BETM+ Datasheet
Package48-WFQFN Exposed Pad
Series-
ApplicationsHandheld/Mobile Devices
Voltage - Supply2.6 V ~ 5.5 V
Operating Temperature-40°C ~ 85°C
Mounting TypeSurface Mount
Package / Case48-WFQFN Exposed Pad
Supplier Device Package48-TQFN (7x7)

MAX1586BETM+ Datasheet

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General Description The MAX1586/MAX1587 power-management ICs are optimized for devices using Intel XScale® microproces- sors, including Smart Phones, PDAs, internet appli- ances, and other portable devices requiring substantial computing and multimedia capability at low power. The ICs integrate seven high-performance, low-operating- current power supplies along with supervisory and management functions. Included are three step-down DC-DC outputs, three linear regulators, and a seventh always-on output. DC-DC converters power I/O, DRAM, and the CPU core. The I/O supply can be preset to 3.3V or adjusted to other values. The DRAM supply on the A and C devices is preset for 1.8V or 2.5V, while the MAX1586B DRAM supply is preset for 3.3V or 2.5V. The DRAM supply on all parts can also be adjusted with external resistors. The CPU core supply is serial pro- grammed for dynamic voltage management and, on C devices, can supply up to 0.9A. Linear-regulated out- puts are provided for SRAM, PLL, and USIM supplies. To minimize quiescent current, critical power supplies have bypass “sleep” LDOs that can be activated when output current is very low. Other functions include sep- arate on/off control for all DC-DC converters, low-bat- tery and dead-battery detection, a reset and power-OK output, a backup-battery input, and a two-wire serial interface. All DC-DC outputs use fast, 1MHz PWM switching and small external components. They operate with fixed-fre- quency PWM control and automatically switch from PWM to skip-mode operation at light loads to reduce operating current and extend battery life. The core out- put can be forced into PWM mode at all loads to mini- mize noise. A 2.6V to 5.5V input voltage range allows 1-cell lithium-ion (Li+), 3-cell NiMH, or a regulated 5V input. The MAX1587 is available in a tiny 6mm x 6mm, 40-pin thin QFN package. The MAX1586 features an additional linear regulator (V6) for VCC_USIM and low- battery and dead-battery comparators. The MAX1586 is available in a 7mm x 7mm, 48-pin thin QFN package. Applications PDA, Palmtop, and Wireless Handhelds Third-Generation Smart Cell Phones Internet Appliances and Web-Books Features ♦ Six Regulators in One Package Step-Down DC-DC for I/O at 1.3A Step-Down DC-DC for Memory at 0.9A Step-Down Serial-Programmed DC-DC for CORE Up to 0.9A Three LDO Outputs for SRAM, PLL, and USIM Always-On Output for VCC_BATT ♦ Low Operating Current 60µA in Sleep Mode (Sleep LDOs On) 130µA with DC-DCs On (Core Off) 200µA All Regulators On, No Load 5µA Shutdown Current ♦ Optimized for XScale Processors ♦ Backup-Battery Input ♦ 1MHz PWM Switching Allows Small External Components ♦ Tiny 6mm x 6mm, 40-Pin and 7mm x 7mm, 48-Pin Thin QFN Packages M A X 1 5 8 6 A /M A X 1 5 8 6 B /M A X 1 5 8 6 C /M A X 1 5 8 7 A /M A X 1 5 8 7 C High-Efficiency, Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones ________________________________________________________________ Maxim Integrated Products 1 Ordering Information MAX1586 MAX1587 V1 V2 V3 V4 V5 V6 V7 VCC_IO 3.3V VCC_MEM 2.5V VCC_CORE 0.8V TO 1.3V VCC_USIM 0V, 1.8V, 3.0V MAIN BATTERY VCC_PLL 1.3V VCC_SRAM 1.1V BACKUP BATTERY IN BKBT MR RSO VCC_BATT POK nRESET nVCC_FAULT SYS_EN PWR_EN ON1-2 ON3-6 nBATT_FAULT DBO Simplified Functional Diagram 19-3089; Rev 4; 4/09 EVALU ATION KIT AVAIL ABLE Pin Configurations and Selector Guide appear at end of data sheet. PART TEMP RANGE PIN-PACKAGE MAX1586AETM -40°C to +85°C 48 Thin QFN 7mm x 7mm MAX1586BETM -40°C to +85°C 48 Thin QFN 7mm x 7mm MAX1586CETM -40°C to +85°C 48 Thin QFN 7mm x 7mm MAX1587AETL -40°C to +85°C 40 Thin QFN 6mm x 6mm MAX1587CETL -40°C to +85°C 40 Thin QFN 6mm x 6mm Intel XScale is a registered trademark of Intel Corp. For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.

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M A X 1 5 8 6 A /M A X 1 5 8 6 B /M A X 1 5 8 6 C /M A X 1 5 8 7 A /M A X 1 5 8 7 C High-Efficiency, Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VIN = 3.6V, VBKBT = 3.0V, VLBI = 1.1V, VDBI = 1.35V, circuit of Figure 5, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. IN, IN45, IN6, MR, LBO, DBO, RSO, POK, SCL, SDA, BKBT, V7, SLP, SRAD, PWM3 to GND...............-0.3V to +6V REF, CC_, ON_, FB_, DBI, LBI, V1, V2, RAMP, BYP, MR to GND ...........................................-0.3V to (VIN + 0.3V) PV1, PV2, PV3, SLPIN to IN...................................-0.3V to +0.3V V4, V5 to GND ..........................................-0.3V to (VIN45 + 0.3V) V6 to GND ..................................................-0.3V to (VIN6 + 0.3V) PV1 to PG1 ............................................................-0.3V to +6.0V PV2 to PG2 ............................................................-0.3V to +6.0V PV3 to PG3 ............................................................-0.3V to +6.0V LX1 Continuous Current....................................-1.30A to +1.30A LX2 Continuous Current........................................-0.9A to +0.9A LX3 Continuous Current........................................-0.9A to +0.9A PG1, PG2, PG3 to GND.........................................-0.3V to +0.3V V1, V2, V4, V5, V6 Output Short-Circuit Duration.......Continuous Continuous Power Dissipation (TA = +70°C) 6mm x 6mm 40-Pin Thin QFN (derate 26.3mW/°C above +70°C)...........................2105mW 7mm x 7mm 48-Pin Thin QFN (derate 26.3mW/°C above +70°C)...........................2105mW Operating Temperature Range ...........................-40°C to +85°C Junction Temperature ......................................................+150°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C PARAMETER CONDITIONS MIN TYP MAX UNITS PV1, PV2, PV3, SLPIN, IN Supply Voltage Range PV1, PV2, PV3, IN, and SLPIN must connect together externally 2.6 5.5 V IN45, IN6 Supply Voltage Range 2.4 5.5 V VIN rising 2.25 2.40 2.55IN Undervoltage-Lockout (UVLO) Threshold VIN falling 2.200 2.35 2.525 V MAX1586 32Only V7 on, VIN below DBI threshold VIN = 3.0V MAX1587 5 MAX1586 130REG1 and REG2 on in switch mode, REG3 off MAX1587 130 MAX1586 60REG1 and REG2 on in sleep mode, REG3 off MAX1587 60 MAX1586 225 Quiescent Current No load (IPV1 + IPV2 + IPV3 + IIN + ISLPIN + IIN45 + IIN6) All REGs on MAX1587 200 µA ON1 = 0 4 BKBT Input Current ON1 = IN 0.8 µA REF Output Voltage 0 to 10µA load 1.2375 1.25 1.2625 V SYNCHRONOUS-BUCK PWM REG1 REG1 Voltage Accuracy FB1 = GND, 3.6V ≤ VPV1 ≤ 5.5V, load = 0 to 1300mA 3.25 3.3 3.35 V FB1 Voltage Accuracy FB1 used with external resistors, 3.6V ≤ VPV1 ≤ 5.5V, load = 0 to 1300mA 1.231 1.25 1.269 V FB1 Input Current FB1 used with external resistors 100 nA Error-Amplifier Transconductance Referred to FB 87 µS Load = 800mA 180 280 Dropout Voltage (Note 1) Load = 1300mA 293 450 mV

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M A X 1 5 8 6 A /M A X 1 5 8 6 B /M A X 1 5 8 6 C /M A X 1 5 8 7 A /M A X 1 5 8 7 C High-Efficiency, Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones _______________________________________________________________________________________ 3 PARAMETER CONDITIONS MIN TYP MAX UNITS ILX1 = -180mA 0.18 0.3 p-Channel On-Resistance ILX1 = -180mA, VPV1 = 2.6V 0.21 0.35 Ω ILX1 = 180mA 0.13 0.225 n-Channel On-Resistance ILX1 = 180mA, VPV1 = 2.6V 0.15 0.25 Ω Current-Sense Transresistance 0.5 V/A p-Channel Current-Limit Threshold -1.55 -1.80 -2.10 A PWM Skip-Mode Transition Load Current Decreasing load current (Note 2) 30 mA OUT1 Maximum Output Current 2.6V ≤ VPV1 ≤ 5.5V (Note 3) 1.3 A LX1 Leakage Current VPV1 = 5.5V, LX1 = GND or PV1, VON1 = 0V -20 +0.1 +20 µA SYNCHRONOUS-BUCK PWM REG2 FB2 = GND, 3.6V ≤ VPV2 ≤ 5.5V, load = 0 to 900mA 2.463 2.5 2.537 MAX1586A, MAX1587A, FB2 = IN, 3.6V ≤ VPV2 ≤ 5.5V, load = 0 to 900mA 1.773 1.8 1.827 REG2 Voltage Accuracy MAX1586B, FB2 = IN, 3.6V ≤ VPV2 ≤ 5.5V, load = 0 to 900mA 3.25 3.3 3.35 V FB2 Voltage Accuracy FB2 used with external resistors, 3.6V ≤ VPV2 ≤ 5.5V, load = 0 to 900mA 1.231 1.25 1.269 V FB2 Input Current FB2 used with external resistors, VFB2 = 1.25V 100 nA Error-Amplifier Transconductance Referred to FB 87 µS Dropout Voltage Load = 900mA (Note 1) 243 380 mV ILX2 = -180mA 0.225 0.375 p-Channel On-Resistance ILX2 = -180mA, VPV2 = 2.6V 0.26 0.425 Ω ILX2 = 180mA 0.15 0.25 n-Channel On-Resistance ILX2 = 180mA, VPV2 = 2.6V 0.17 0.275 Ω Current-Sense Transresistance 0.7 V/A p-Channel Current-Limit Threshold -1.1 -1.275 -1.50 A PWM Skip-Mode Transition Load Current Decreasing load current (Note 2) 30 mA OUT2 Maximum Output Current 2.6V ≤ VPV2 ≤ 5.5V (Note 3) 0.9 A LX2 Leakage Current VPV2 = 5.5V, LX2 = GND or PV2, VON2 = 0V -10 +0.1 +10 µA SYNCHRONOUS-BUCK PWM REG3 MAX1586A, MAX1586B, MAX1587A, load = 0 to 500mA -1.5 +1.5 REG3 Output Voltage Accuracy REG3 from 0.7V to 1.475V, 2.6V ≤ VPV3 ≤ 5.5V MAX1586C, MAX1587C, load = 0 to 900mA -1.5 +1.5 % Error-Amplifier Transconductance 68 µS ELECTRICAL CHARACTERISTICS (continued) (VIN = 3.6V, VBKBT = 3.0V, VLBI = 1.1V, VDBI = 1.35V, circuit of Figure 5, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)

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M A X 1 5 8 6 A /M A X 1 5 8 6 B /M A X 1 5 8 6 C /M A X 1 5 8 7 A /M A X 1 5 8 7 C High-Efficiency, Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones 4 _______________________________________________________________________________________ PARAMETER CONDITIONS MIN TYP MAX UNITS ILX3 = -180mA 0.225 0.375 p-Channel On-Resistance ILX2 = -180mA, VPV3 = 2.6V 0.26 0.425 Ω ILX3 = 180mA 0.15 0.25 n-Channel On-Resistance ILX3 = 180mA, VPV3 = 2.6V 0.17 0.275 Ω MAX1586A, MAX1586B, MAX1587A 1.1 Current-Sense Transresistance MAX1586C, MAX1587C 0.55 V/A MAX1586A, MAX1586B, MAX1587A -0.60 -0.7 -0.85 p-Channel Current-Limit Threshold MAX1586C, MAX1587C -1.125 -1.35 -1.700 A PWM Skip-Mode Transition Load Current Decreasing load current (Note 2) 30 mA MAX1586A, MAX1586B, MAX1587A 0.5 OUT3 Maximum Output Current 2.6V ≤ VPV3 ≤ 5.5V (Note 3) MAX 1586C, MAX1587C 0.9 A LX3 Leakage Current VPV3 = 5.5V, LX3 = GND or PV2, VON3 = 0V -10 +0.1 +10 µA LDOS V4, V5, V6, V1 SLEEP, V2 SLEEP, AND V7 OUTPUT V4, V5, V6, V1 SLEEP, V2 SLEEP Output Current 35 mA V7 Output Current 30 mA REG4 Output Voltage Load = 0.1mA to 35mA 1.261 1.3 1.339 V REG4 Noise With 1µF COUT and 0.01µF CBYP 15 µVRMS REG5 Output Voltage Load = 0.1mA to 35mA 1.067 1.1 1.133 V IN45, IN6 Input Voltage Range 2.4 5.5 V 0V setti ng ( ei ther ON 6 l ow or ser i al p r og r am m ed ) 0 1.8V setting, load = 0.1mA to 35mA 1.746 1.8 1.854 2.5V setting, load = 0.1mA to 35mA 2.425 2.5 2.575 REG6 Output Voltage (POR Default to 0V, Set by Serial Input) MAX1586 3.0V setting, load = 0.1mA to 35mA 2.91 3.0 3.09 V V1 on and in regulation VV1 V7 Output Voltage V1 off VBKBT V V1 and V2 SLEEP Output Voltage Accuracy Set to same output voltage as REG1 and REG2 -3.0 +3.0 % V1 and V2 SLEEP Dropout Voltage LOAD = 20mA 75 150 mV V6 Dropout Voltage M AX 1586 3V m od e, l oad = 30m A, 2.5V m od e, l oad = 30m A 110 200 mV V7 Switch Voltage Drop LOAD = 20mA, VBKBT = VV1 = 3.0V 100 200 mV V4, V5, V6 Output Current Limit 40 90 mA BKBT Leakage 1 µA OSCILLATOR PWM Switching Frequency 0.93 1 1.07 MHz SUPERVISORY/MANAGEMENT FUNCTIONS Rising 92 94.75 97 POK Trip Threshold (Note 4) Falling 88.5 90.5 92.5 % ELECTRICAL CHARACTERISTICS (continued) (VIN = 3.6V, VBKBT = 3.0V, VLBI = 1.1V, VDBI = 1.35V, circuit of Figure 5, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)

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M A X 1 5 8 6 A /M A X 1 5 8 6 B /M A X 1 5 8 6 C /M A X 1 5 8 7 A /M A X 1 5 8 7 C High-Efficiency, Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones _______________________________________________________________________________________ 5 PARAMETER CONDITIONS MIN TYP MAX UNITS LBI = IN (for preset) 3.51 3.6 3.69 LBI Threshold (Falling) MAX1586 hysteresis is 5% (typ) With resistors at LBI 0.98 1.00 1.02 V DBI = IN (for preset) 3.024 3.15 3.276 DBI Threshold (Falling) MAX1586 hysteresis is 5% (typ) With resistors at LBI 1.208 1.232 1.256 V RSO Threshold (Falling) Voltage on REG7, hysteresis is 5% (typ) 2.25 2.41 2.56 V RSO Deassert Delay 61 65.5 70 ms LBI Input Bias Current MAX1586 -50 -5 nA DBI Input Bias Current MAX1586 15 50 nA Thermal-Shutdown Temperature TJ rising +160 °C Thermal-Shutdown Hysteresis 15 °C LOGIC INPUTS AND OUTPUTS LBO, DBO, POK, RSO, SDA Output Low Level 2.6V ≤ V7 ≤ 5.5V, sinking 1mA 0.4 V LBO, DBO, POK, RSO Output Low Level V7 = 1V, sinking 100µA 0.4 V LBO, DBO, POK, RSO Output-High Leakage Current Pin = 5.5V 0.2 µA ON_, SCL, SDA, SLP, PWM3, MR, SRAD Input High Level 2.6V ≤ VIN ≤ 5.5V 1.6 V ON_, SCL, SDA, SLP, PWM3, MR, SRAD Input Low Level 2.6V ≤ VIN ≤ 5.5V 0.4 V ON_, SCL, SDA, SLP, PWM3, MR, SRAD Input Leakage Current Pin = GND, 5.5V -1 +1 µA SERIAL INTERFACE Clock Frequency 400 kHz Bus-Free Time Between START and STOP 1.3 µs H ol d Ti m e Rep eated S TART C ond i ti on 0.6 µs CLK Low Period 1.3 µs CLK High Period 0.6 µs S etup Ti m e Rep eated S TART C ond i ti on 0.6 µs DATA Hold Time 0 µs DATA Setup Time 100 ns Maximum Pulse Width of Spikes that Must be Suppressed by the Input Filter of Both DATA and CLK Signals 50 ns Setup Time for STOP Condition 0.6 µs ELECTRICAL CHARACTERISTICS (continued) (VIN = 3.6V, VBKBT = 3.0V, VLBI = 1.1V, VDBI = 1.35V, circuit of Figure 5, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)

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M A X 1 5 8 6 A /M A X 1 5 8 6 B /M A X 1 5 8 6 C /M A X 1 5 8 7 A /M A X 1 5 8 7 C High-Efficiency, Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones 6 _______________________________________________________________________________________ PARAMETER CONDITIONS MIN MAX UNITS PV1, PV2, PV3, SLPIN, IN Supply Voltage Range PV1, PV2, PV3, IN, and SLPIN must connect together externally 2.6 5.5 V IN45, IN6 Supply Voltage Range 2.4 5.5 V VIN rising 2.25 2.55IN Undervoltage-Lockout (UVLO) Threshold VIN falling 2.200 2.525 V SYNCHRONOUS-BUCK PWM REG1 FB1 = GND, 3.6V ≤ VPV1 ≤ 5.5V, load = 0 to 1300mA 3.25 3.35 REG1 Voltage Accuracy FB1 = IN, 3.6V ≤ VPV1 ≤ 5.5V, load = 0 to 1300mA 2.955 3.045 V FB1 Voltage Accuracy FB1 used with external resistors, 3.6V ≤ VPV1 ≤ 5.5V, load = 0 to 1300mA 1.231 1.269 V FB1 Input Current FB1 used with external resistors 100 nA Load = 800mA (Note 1) 280 Dropout Voltage Load = 1300mA (Note 1) 450 mV ILX1 = -180mA 0.3 p-Channel On-Resistance ILX1 = -180mA, VPV1 = 2.6V 0.35 Ω ILX1 = 180mA 0.225 n-Channel On-Resistance ILX1 = 180mA, VPV1 = 2.6V 0.25 Ω p-Channel Current-Limit Threshold -1.55 -2.10 A OUT1 Maximum Output Current 2.6V ≤ VPV1 ≤ 5.5V (Note 3) 1.30 A LX1 Leakage Current VPV1 = 5.5V, LX1 = GND or PV1, VON1 = 0V -10 +10 µA SYNCHRONOUS-BUCK PWM REG2 FB2 = GND, 3.6V ≤ VPV2 ≤ 5.5V, load = 0 to 900mA 2.463 2.537 MAX1586A, MAX1587A, FB2 = IN, 3.6V ≤ VPV2 ≤ 5.5V, load = 0 to 900mA 1.773 1.827 REG2 Voltage Accuracy MAX1586B, FB2 = IN, 3.6V ≤ VPV2 ≤ 5.5V, load = 0 to 900mA 3.25 3.35 V FB2 Voltage Accuracy FB2 used with external resistors, 3.6V ≤ VPV2 ≤ 5.5V, load = 0 to 900mA 1.231 1.269 V FB2 Input Current FB2 used with external resistors, VFB2 = 1.25V 100 nA Dropout Voltage Load = 900mA (Note 1) 380 mV ILX2 = -180mA 0.375 p-Channel On-Resistance ILX2 = -180mA, VPV2 = 2.6V 0.425 Ω ILX2 = -180mA 0.25 n-Channel On-Resistance ILX2 = -180mA, VPV2 = 2.6V 0.275 Ω p-Channel Current-Limit Threshold -1.1 -1.50 A OUT2 Maximum Output Current 2.6V ≤ VPV2 ≤ 5.5V (Note 3) 0.9 A LX2 Leakage Current VPV2 = 5.5V, LX2 = GND or PV2, VON2 = 0V -10 +10 µA ELECTRICAL CHARACTERISTICS (VIN = 3.6V, VBKBT = 3.0V, VLBI = 1.1V, VDBI = 1.35V, circuit of Figure 5, TA = -40°C to +85°C, unless otherwise noted.) (Note 5)

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M A X 1 5 8 6 A /M A X 1 5 8 6 B /M A X 1 5 8 6 C /M A X 1 5 8 7 A /M A X 1 5 8 7 C High-Efficiency, Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones _______________________________________________________________________________________ 7 PARAMETER CONDITIONS MIN MAX UNITS SYNCHRONOUS-BUCK PWM REG3 MAX1586A, MAX1586B, MAX1587A, load = 0 to 500mA -1.5 +1.5 REG3 Output Voltage Accuracy REG3 from 0.7V to 1.475V, 2.6V ≤ VPV3 ≤ 5.5V MAX1586C, MAX1587C, load = 0 to 900mA -1.5 +1.5 % ILX3 = -180mA 0.375 p-Channel On-Resistance ILX2 = -180mA, VPV3 = 2.6V 0.425 Ω ILX3 = 180mA 0.25 n-Channel On-Resistance ILX3 = 180mA, VPV3 = 2.6V 0.275 Ω MAX1586A, MAX1586B, MAX1587A -0.60 -0.85 p-Channel Current-Limit Threshold MAX1586C, MAX1587C -1.125 -1.700 A MAX1586A, MAX1586B, MAX1587A 0.5 OUT3 Maximum Output Current 2.6V ≤ VPV3 ≤ 5.5V (Note 3) MAX1586C, MAX1587C 0.9 A LX3 Leakage Current VPV3 = 5.5V, LX3 = GND or PV2, VON3 = 0V -10 +10 µA LDOs V4, V5, V6, V1 SLEEP, V2 SLEEP, AND V7 OUTPUT V4, V5, V6, V1 SLEEP, V2 SLEEP Output Current 35 mA V7 Output Current 30 mA REG4 Output Voltage Load = 0.1mA to 35mA 1.254 1.346 V REG5 Output Voltage Load = 0.1mA to 35mA 1.061 1.139 V IN45, IN6 Input Voltage Range 2.4 5.5 V 1.8V setting, load = 0.1mA to 35mA 1.737 1.863 2.5V setting, load = 0.1mA to 35mA 2.412 2.588 REG6 Output Voltage (POR Default to 0V, Set by Serial Input) MAX1586 3.0V setting, load = 0.1mA to 35mA 2.895 3.105 V V1 and V2 SLEEP Output Voltage Accuracy Set to same output voltage as REG1 and REG2 -3.5 +3.5 % V1 and V2 SLEEP Dropout Voltage Load = 20mA 150 mV V6 Dropout Voltage M AX 1586 3V m od e, l oad = 30m A; 2.5V m od e, l oad = 30m A 200 mV V7 Switch Voltage Drop Load = 20mA, VBKBT = VV1 = 3.0V 200 mV V4, V5, V6 Output Current Limit 40 mA BKBT Leakage 1 µA OSCILLATOR PWM Switching Frequency 0.93 1.07 MHz SUPERVISORY/MANAGEMENT FUNCTIONS Rising 92 97 POK Trip Threshold (Note 4) Falling 88.5 92.5 % LBI = IN (for preset) 3.51 3.69 LBI Threshold (Falling) MAX1586, hysteresis is 5% (typ) With resistors at LBI 0.98 1.02 V ELECTRICAL CHARACTERISTICS (continued) (VIN = 3.6V, VBKBT = 3.0V, VLBI = 1.1V, VDBI = 1.35V, circuit of Figure 5, TA = -40°C to +85°C, unless otherwise noted.) (Note 5)

Page 9

M A X 1 5 8 6 A /M A X 1 5 8 6 B /M A X 1 5 8 6 C /M A X 1 5 8 7 A /M A X 1 5 8 7 C High-Efficiency, Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones 8 _______________________________________________________________________________________ PARAMETER CONDITIONS MIN MAX UNITS DBI = IN (for preset) 2.993 3.307 DBI Threshold (Falling) MAX1586, hysteresis is 5% (typ) With resistors at LBI 1.208 1.256 V RSO Threshold (Falling) Voltage on REG7, hysteresis is 5% (typ) 2.25 2.60 V RSO Deassert Delay 62 69 ms LBI Input Bias Current MAX1586 -50 nA DBI Input Bias Current MAX1586 75 nA LOGIC INPUTS AND OUTPUTS LBO, DBO, POK, RSO, SDA Output Low Level 2.6V ≤ V7 ≤ 5.5V, sinking 1mA 0.4 V LBO, DBO, POK, RSO, SDA Output Low Level V7 = 1V, sinking 100µA 0.4 V LBO, DBO, POK, RSO Output-High Leakage Current Pin = 5.5V 0.2 µA ON_, SCL, SDA, SLP, PWM3, MR, SRAD Input High Level 2.6V ≤ VIN ≤ 5.5V 1.6 V ON_, SCL, SDA, SLP, PWM3, MR, SRAD Input Low Level 2.6V ≤ VIN ≤ 5.5V 0.4 V ON_, SCL, SDA, SLP, PWM3, MR, SRAD Input Leakage Current Pin = GND, 5.5V -1 +1 µA SERIAL INTERFACE Clock Frequency 400 kHz Bus-Free Time Between START and STOP 1.3 µs Hold Time Repeated START Condition 0.6 µs CLK Low Period 1.3 µs CLK High Period 0.6 µs Setup Time Repeated START Condition 0.6 µs DATA Hold Time 0 µs DATA Setup Time 100 ns Setup Time for STOP Condition 0.6 µs ELECTRICAL CHARACTERISTICS (continued) (VIN = 3.6V, VBKBT = 3.0V, VLBI = 1.1V, VDBI = 1.35V, circuit of Figure 5, TA = -40°C to +85°C, unless otherwise noted.) (Note 5)

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M A X 1 5 8 6 A /M A X 1 5 8 6 B /M A X 1 5 8 6 C /M A X 1 5 8 7 A /M A X 1 5 8 7 C High-Efficiency, Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones _______________________________________________________________________________________ 9 Note 1: Dropout voltage is guaranteed by the p-channel switch resistance and assumes a maximum inductor resistance of 45mΩ. Note 2: The PWM-skip-mode transition has approximately 10mA of hysteresis. Note 3: The maximum output current is guaranteed by the following equation: where: and RN = n-channel synchronous rectifier RDS(ON) RP = p-channel power switch RDS(ON) RL = external inductor ESR IOUT(MAX) = maximum required load current f = operating frequency minimum L = external inductor value ILIM can be substituted for IOUT(MAX) (desired) when solving for D. This assumes that the inductor ripple current is small relative to the absolute value. Note 4: POK only indicates the status of supplies that are enabled (except V7). When a supply is turned off, POK does not trigger low. When a supply is turned on, POK immediately goes low until that supply reaches regulation. POK is forced low when all supplies (except V7) are disabled. Note 5: Specifications to -40°C are guaranteed by design, not production tested. D V I R R V I R R OUT OUT MAX N L IN OUT MAX N P = + + + − ( ) ( ) ( ) ( ) I I V D x f x L R R DOUT MAX LIM OUT N L ( ) ( ) ( ) ( ) = − − + + − 1 2 1 1 2 x f x L ELECTRICAL CHARACTERISTICS (continued)

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