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L6932D1.8TR

hotL6932D1.8TR

L6932D1.8TR

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Part Number L6932D1.8TR
Manufacturer STMicroelectronics
Description IC REG LINEAR 1.8V 2A 8SO
Datasheet L6932D1.8TR Datasheet
Package 8-SOIC (0.154", 3.90mm Width)
In Stock 48,436 piece(s)
Unit Price $ 1.2164 *
Lead Time Can Ship Immediately
Estimated Delivery Time Jan 23 - Jan 28 (Choose Expedited Shipping)
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Part Number # L6932D1.8TR (PMIC - Voltage Regulators - Linear) is manufactured by STMicroelectronics and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

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L6932D1.8TR Specifications

ManufacturerSTMicroelectronics
CategoryIntegrated Circuits (ICs) - PMIC - Voltage Regulators - Linear
Datasheet L6932D1.8TRDatasheet
Package8-SOIC (0.154", 3.90mm Width)
Series-
Output ConfigurationPositive
Output TypeFixed
Number of Regulators1
Voltage - Input (Max)14V
Voltage - Output (Min/Fixed)1.8V
Voltage - Output (Max)-
Voltage Dropout (Max)-
Current - Output2A
Current - Quiescent (Iq)-
Current - Supply (Max)400µA
PSRR75dB (120Hz)
Control FeaturesEnable, Power Good
Protection FeaturesOver Temperature, Short Circuit
Operating Temperature-25°C ~ 125°C
Mounting TypeSurface Mount
Package / Case8-SOIC (0.154", 3.90mm Width)
Supplier Device Package8-SO

L6932D1.8TR Datasheet

Page 1

Page 2

1/11 L6932 December 2005 ■ 2V TO 14V INPUT VOLTAGE RANGE ■ 200mΩ Rdson MAX. ■ 200µA QUIESCENT CURRENT AT ANY LOAD ■ EXCELLENT LOAD AND LINE REGULATION ■ 1.5V, 1.8V AND 2.5V FIXED VOLTAGE ■ ADJUSTABLE FROM 1.2V TO 5V (L6932D1.2) ■ 1% VOLTAGE REGULATION ACCURACY ■ SHORT CIRCUIT PROTECTION ■ THERMAL SHUT DOWN ■ SO-8 (4+4) PACKAGE APPLICATIONS ■ MOTHERBOARDS ■ MOBILE PC ■ HAND-HELD INSTRUMENTS ■ PCMCIA CARDS ■ PROCESSORS I/O ■ CHIPSET AND RAM SUPPLY DESCRIPTION The L6932 Ultra Low Drop Output linear regulator operates from 2V to 14V and is able to support 2A. Designed with an internal 50mΩ N-channel Mosfet, can be usefull for the DC-DC conversion between 2.5V and 1.5V at 2A in portable applica- tions reducing the power dissipation. L6932 is available in 1.5V, 1.8V, 2.5V and adj ver- sion from 1.2V and ensure a voltage regulation ac- curacy of 1%. The current limit is fixed at 2.5A to control the cur- rent in short circuit condition within ±8%. The cur- rent is sensed in the power mos in order to limit the power dissipation. The device is also provided of a thermal shut down that limits the internal temperature at 150°C with an histeresys of 20°C. L6932 provides the Enable and the Power good functions. SO-8 (4+4) ORDERING NUMBERS: L6932D1.2 (SO-8) L6932D1.2TR (T&R) L6932D1.5 (SO-8) L6932D1.5TR (T&R) L6932D1.8 (SO-8) L6932D1.8TR (T&R) L6932D2.5 (SO-8) L6932D2.5TR (T&R) HIGH PERFORMANCE 2A ULDO LINEAR REGULATOR TYPICAL OPERATING CIRCUIT L6932D PGOOD EN GND INVIN 2V to 14V VOUT 1.5V-1.8V-2.5V C1 C2 1 2 3 4 5,6,7,8 L6932D ADJ EN GND INVIN 2V to 14V VOUT 1.2V to 5V C1 C2 1 2 4 3 5,6,7,8 R2 R1 OUT OUT Rev. 9

Page 3

L6932 2/11 PIN CONNECTIONS PIN FUNCTION ABSOLUTE MAXIMUM RATINGS THERMAL DATA (*) Measured on Demoboard with about 4 cm2 of dissipating area 2 Oz. N° L6232D 1.2 L6232D 1.5/1.8/ 2.5 Description 1 EN Enables the device if connected to Vin and disables the device if forced to gnd. 2 IN Supply voltage. This pin is connected to the drain of the internal N-mos. Connect this pin to a capacitor larger than 10µF. 3 ADJ – Connecting this pin to a voltage divider it is possible to programme the output voltage between 1.2V and 5V. – OUT Regulated output voltage. This pin is connected to the source of the internal N-mos. Connect this pin to a capacitor of 10µF. 4 OUT – Regulated output voltage. This pin is connected to the source of the internal N-mos. Connect this pin to a capacitor of 10µF. – PGOOD Power good output. The pin is open drain and detects the output voltage. It is forced low if the output voltage is lower than 90% of the programmed voltage. 5, 6, 7, 8 GND Ground pin. Symbol Parameter Value Unit Vin VIN and Pgood 14.5 V EN, OUT and ADJ -0.3 to (Vin +0.3) V Symbol Parameter Value Unit Rth J-amb Thermal Resistance Junction to Ambient 62 (*) °C/W Tmax Maximum Junction Temperature 150 °C Tstg Storage Temperature Range -65 to 150 °C EN IN ADJ OUT GND GND GND GND 1 2 3 4 8 7 6 5 L6932D1.2 EN IN OUT PGOOD GND GND GND GND 1 2 3 4 8 7 6 5 L6932D1.5 L6932D1.8 L6932D2.5

Page 4

3/11 L6932 BLOCK DIAGRAM (Referred to the Fixed Voltage version) ELECTRICAL CHARACTERISTCS (Tj = 25°C, VIN = 5V unless otherwise specified) (*) Specification referred to Tj from -25°C to 125°C. Symbol Parameter Test Condition Min. Typ. Max. Unit Vin Operating Supply Voltage 2 14 V Vo Output voltage L6932D1.2 Io = 0.1A; Vin = 3.3V 1.188 1.2 1.212 V Output voltage L6932D1.5 Io = 0.1A; Vin = 3.3V 1.485 1.5 1.515 V Output voltage L6932D1.8 Io = 0.1A; Vin = 3.3V 1.782 1.8 1.818 V Output voltage L6932D2.5 Io = 0.1A; Vin = 3.3V 2.475 2.5 2.525 V L6932D1.2 Line Regulation Vin = 2.5V ±10%; Io = 10mA 5 mV Vin = 3.3V ±10%; Io = 10mA 5 mV Vin = 5V ±10%; Io = 10mA 5 mV L6932D1.5 Line Regulation Vin = 2.5V ±10%; Io = 10mA 5 mV Vin = 3.3V ±10%; Io = 10mA 5 mV Vin = 5V ±10%; Io = 10mA 5 mV L6932D1.8 Line Regulation Vin = 2.5V ±10%; Io = 10mA 5 mV Vin = 3.3V ±10%; Io = 10mA 5 mV Vin = 5V ±10%; Io = 10mA 5 mV L6932D2.5 Line Regulation Vin = 3.3V ±10%; Io = 10mA 5 mV Vin = 5V ±10%; Io = 10mA 5 mV L6932D1.2 Load Regulation Vin = 3.3V; 0.1A < Io < 2A 15 mV L6932D1.5 Load Regulation Vin = 3.3V; 0.1A < Io < 2A 15 mV L6932D1.8 Load Regulation Vin = 3.3V; 0.1A < Io < 2A 15 mV L6932D2.5 Load Regulation Vin = 3.3V; 0.1A < Io < 2A 15 mV Rdson Drain Source ON resistance 200 mΩ REFERENCE VREF=1.25V CURRENT LIMIT THERMAL SENSOR ENABLEEN IN OUT PG GND CHARGE PUMP ERROR AMPL. DRIVERVREF 0.9 VREF + - - + D99IN1100

Page 5

L6932 4/11 Iocc Current limiting 2.3 2.5 2.7 A Iq Quiescent current 0.2 0.4 mA Ish Shutdown current 2V < Vin < 14V * 25 µA Ripple Rejection f = 120Hz, Io = 1A Vin = 5V, ∆Vin = 2Vpp 60 75 dB Ven EN Input Threshold 0.5 0.65 0.8 V Pgood threshold Vo rise 90 %Vo Pgood Hysteresis 10 %Vo Pgood saturation Ipgood =1mA 0.2 0.4 V Symbol Parameter Test Condition Min. Typ. Max. Unit Figure 1. Output Voltage vs. Junction Temperature (L6932D1.2) Figure 2. Output Voltage vs. Junction Temperature (L6932D1.8) Figure 3. Output Voltage vs. Junction Temperature (L6932D2.5) Figure 4. Quiescent Current vs. Junction Temperature 1.209 1.210 1.210 1.211 1.211 1.212 1.212 1.213 -60 -40 -20 0 20 40 60 80 100 120 140 160 Temp [°C] V 1.788 1.792 1.796 1.800 1.804 1.808 -60 -40 -20 0 20 40 60 80 100 120 140 160 Temp [°C] V 2.495 2.500 2.505 2.510 2.515 2.520 -60 -40 -20 0 20 40 60 80 100 120 140 160 Temp [°C] V 250 260 270 280 290 300 310 -40 -20 0 20 40 60 80 100 120 140 Temp [°C ] Iq (uA) Vin=5V ELECTRICAL CHARACTERISTCS (continued)

Page 6

5/11 L6932 Figure 5. Shutdown Current vs. Junction TemperatureAPPLICATION INFORMATIONS APPLICATION CIRCUIT In figure 6 the schematic circuit of the demoboards are shown. Figure 6. Demoboards Schematic Circuit COMPONENT LIST Fixed version Reference Part Number Description Manufacturer C1 C34Y5U1E106Z 10uF, 25V TOKIN C2 C34Y5U1E106Z 10uF, 25V TOKIN 4 4.5 5 5.5 6 6.5 7 7.5 -40 -20 0 20 40 60 80 100 120 140 Temp [°C ] Ishdn (uA) Vin=5V L6932D1.5 L6932D1.8 L6932D2.5 PGOOD EN GND INVIN VOUT C1 C2 1 2 3 4 5 6 7 8 L6932D1.2 ADJ EN GND INVIN VOUT 1.2V to 5V C1 C2 1 2 4 3 5 6 7 8 R2 R1 R2)(R1 R2 1.2 VOUT +×= OUT OUT

Page 7

L6932 6/11 Figure 7. Demoboard Layout (Fixed Version) Adjustable version Figure 8. Demoboard Layout (Adjustable Version) COMPONENTS SELECTION Input Capacitor The input capacitor value depends on a lot of factors such as load transient requirements, input source (battery or DC/DC converter) and its distance from the input cap. Usually a 47µF is enough for any application but a much lower value can be sufficient in many cases. Output Capacitor The output capacitor choice depends basically on the load transient requirements. Tantalum, Speciality Polimer, POSCAP and aluminum capacitors are good and offer very low ESR values. Reference Part Number Description Manufacturer C1 C34Y5U1E106Z 10uF, 25V TOKIN C2 C34Y5U1E106Z 10uF, 25V TOKIN R1 5.6K, 1%, 0.25W Neohm R2 3.3K, 1%, 0.25W Neohm

Page 8

7/11 L6932 Multilayer ceramic caps have the lowest ESR and can be required for particular applications. Nevertheless in several applications they are ok, the loop stability issue has to be considered (see loop stability section). Below a list of some suggested capacitor manufacturers. Loop Stability The stability of the loop is affected by the zero introduced by the output capacitor. The time constant of the zero is given by: This zero helps to increase the phase margin of the loop until the time constant is higher than some hundreds of nsec, depending also on the output voltage and current. So, using very low ESR ceramic capacitors could produce oscillations at the output, in particular when regulating high output voltages (adjustable version). To solve this issue is sufficient to add a small capacitor (e.g. 1nF to 10nF) in parallel to the high side resistor of the external divider, as shown in figure 9. Figure 9. Compensation Network Thermal Considerations Since the device is housed in a small SO(4+2+2) package the thermal issue can be the bottleneck of many ap- plications. The power dissipated by the device is given by: PDISS = (VIN - VOUT) · IOUT Manufacturer Type Cap Value (µF) Rated Voltage (V) PANASONIC CERAMIC 1 to 47 4 to 16 TAYO YUDEN CERAMIC 1 to 47 4 to 16 TDK CERAMIC 1 to 47 4 to 16 TOKIN CERAMIC 1 to 47 4 to 16 SANYO POSCAP 1 to 47 4 to 16 PANASONIC SP 1 to 47 4 to 16 KEMET TANTALUM 1 to 47 4 to 16 T ESR COUT⋅= FZERO 1 2π ESR COUT⋅⋅ --------------------------------------------= VOUT=1.2V TO 5V UP to 2A VIN=2V TO 14V C1 OUT 1 3 75 6 4 8 2 L6932D1.2 GND C2 IN EN ADJ R1 R2 C3

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L6932 8/11 The thermal resistance junction to ambient of the demoboard is approximately 62°C/W. This mean that, consid- ering an ambient temperature of 60°C and a maximum junction temperature of 150°C, the maximum power that the device can handle is 1.5W. This means that the device is able to deliver a DC output current of 2A only with a very low dropout. In many applications, high output current pulses are required. If their duration is shorter than the thermal con- stant time of the board, the thermal impedance (not the thermal resistance) has to be considered. In figure 10 the thermal impedance versus the duration of the current pulse for the SO(4+2+2) mounted on board is shown. Figure 10. Thermal Impedance Considering a pulse duration of 1sec, the thermal impedance is close to 20°C/W, allowing much bigger power dissipated. Example: Vin = 3.3V Vout = 1.8V Iout = 2A Pulse Duration = 1sec The power dissipated by the device is: PDISS = (VIN - VOUT) · IOUT = 1.5 · 2 3W Considering a thermal impedance of 20°C/W, the maximum junction temperature will be: TJ = TA + ZTHJA · PDISS = 60 + 60 = 120°C Obviously, with pulse durations longer than approximately 10sec the thermal impedance is very close to the thermal resistance (60°C/W to 70°C/W).

Page 10

9/11 L6932 Figure 11. SO-8 Mechanical Data & Package Dimensions OUTLINE AND MECHANICAL DATA DIM. mm inch MIN. TYP. MAX. MIN. TYP. MAX. A 1.35 1.75 0.053 0.069 A1 0.10 0.25 0.004 0.010 A2 1.10 1.65 0.043 0.065 B 0.33 0.51 0.013 0.020 C 0.19 0.25 0.007 0.010 D (1) 4.80 5.00 0.189 0.197 E 3.80 4.00 0.15 0.157 e 1.27 0.050 H 5.80 6.20 0.228 0.244 h 0.25 0.50 0.010 0.020 L 0.40 1.27 0.016 0.050 k 0˚ (min.), 8˚ (max.) ddd 0.10 0.004 Note: (1) Dimensions D does not include mold flash, protru- sions or gate burrs. Mold flash, potrusions or gate burrs shall not exceed 0.15mm (.006inch) in total (both side). SO-8 0016023 C

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Kian*****lsen

December 24, 2020

Competitively priced set of diodes, tested as described. Quality is about what you would expect for no- or off-brand.

Rayl*****arma

December 5, 2020

Easier, quicker and cheaper to buy this whole assortment than to get just the few I needed from an electronics store.

Lyr*****rozco

December 4, 2020

Incredible fast delivery,All super OK. Thanks

Kayl*****ouglas

December 2, 2020

Arrived as described and well packaged. Sent very quickly after payment.

Vanes*****mpath

November 29, 2020

Sure appreciate your service high standard, expertise and skills. Thanks Much!!!

Addis*****nguly

November 25, 2020

It works fine and does what it has designed for. No regrets.

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