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ST662ACD

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ST662ACD

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Part Number ST662ACD
Manufacturer STMicroelectronics
Description IC REG SWTCHD CAP 12V 30MA 8SOIC
Datasheet ST662ACD Datasheet
Package 8-SOIC (0.154", 3.90mm Width)
In Stock 3,120 piece(s)
Unit Price Request a Quote
Lead Time Can Ship Immediately
Estimated Delivery Time Jan 28 - Feb 2 (Choose Expedited Shipping)
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Part Number # ST662ACD (PMIC - Voltage Regulators - DC DC Switching Regulators) 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.

For ST662ACD specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add ST662ACD with quantity into BOM. Heisener.com does NOT require any registration to request a quote of ST662ACD.

ST662ACD Specifications

ManufacturerSTMicroelectronics
CategoryIntegrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Regulators
Datasheet ST662ACDDatasheet
Package8-SOIC (0.154", 3.90mm Width)
Series-
FunctionStep-Up
Output ConfigurationPositive
TopologyCharge Pump
Output TypeFixed
Number of Outputs1
Voltage - Input (Min)4.5V
Voltage - Input (Max)5.5V
Voltage - Output (Min/Fixed)12V
Voltage - Output (Max)-
Current - Output30mA
Frequency - Switching400kHz
Synchronous RectifierNo
Operating Temperature0°C ~ 70°C (TA)
Mounting TypeSurface Mount
Package / Case8-SOIC (0.154", 3.90mm Width)
Supplier Device Package8-SO

ST662ACD Datasheet

Page 1

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August 2010 Doc ID 5068 Rev 8 1/20 20 ST662AB ST662AC DC-DC converter from 5 V to 12 V, 0.03 A for Flash memory programming supply Features ■ Output voltage: 12 V ± 5 % ■ Supply voltage range: 4.5 V to 5.5 V ■ Guaranteed output current up to 30 mA ■ Very low quiescent current: 100 µA ■ Logic controlled electronic shutdown: 1 µA ■ Just capacitors needed (no inductor) Description The ST662A is a regulated charge pump DC-DC converter. It provides 12 V ± 5 % output voltage to program byte-wide Flash memory, and can supply 30 mA output current from input as low as 4.75 V. A logic controlled shut down pin that interfaces directly with microprocessor reduces the supply current to only 1 µA. The ST662AB is available as Automotive Grade in SO-8 package. This device is qualified according to the specification AEC- Q100 of the Automotive market, in the temperature range - 40 °C to 125 °C, and the statistical tests PAT, SYL, SBL are performed. SO-8 Table 1. Device summary Order codes Package ST662ABD-TR SO-8 (tape and reel) ST662ABD-TRY (1) SO-8 (tape and reel) ST662ACD-TR SO-8 (tape and reel) 1. Automotive Grade products. www.st.com

Page 3

Contents ST662AB, ST662AC 2/20 Doc ID 5068 Rev 8 Contents 1 Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7.1 ST662A output performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 8 How to increase output current or output voltage capability . . . . . . . 14 9 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 10 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Page 4

ST662AB, ST662AC Application circuit Doc ID 5068 Rev 8 3/20 1 Application circuit Figure 1. Typical application circuit

Page 5

Pin configuration ST662AB, ST662AC 4/20 Doc ID 5068 Rev 8 2 Pin configuration Figure 2. Pin connections (top view) Table 2. Pin description Pin n° Symbol Name and function 1 C1- Negative terminal for the first charge pump capacitor 2 C1+ Positive terminal for the first charge pump capacitor 3 C2- Negative terminal for the second charge pump capacitor 4 C2+ Positive terminal for the second charge pump capacitor 5 VCC Supply voltage 6 VOUT 12 V output voltage VOUT = VCC when in shutdown mode 7 GND Ground 8 SHDN Active high C-MOS logic level shutdown input. SHDN is internally pulled up to VCC. Connect to GND for normal operation. In Shutdown mode the charge pumps are turned off and VOUT = VCC

Page 6

ST662AB, ST662AC Maximum ratings Doc ID 5068 Rev 8 5/20 3 Maximum ratings Note: Absolute maximum ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied. Table 3. Absolute maximum ratings Symbol Parameter Value Unit VCC DC input voltage to GND -0.3 to 6 V SHDN Shutdown voltage -0.3 to (VCC + 0.3) V IO Output current continuous 50 A PD Power dissipation 500 mW TOP Operating ambient temperature range AC series 0 to 70 °C AB series -40 to 85 TSTG Storage temperature range -40 to 150 °C Table 4. Thermal data Symbol Parameter SO-8 Unit RthJC Thermal resistance junction-case 20 °C/W

Page 7

Electrical characteristics ST662AB, ST662AC 6/20 Doc ID 5068 Rev 8 4 Electrical characteristics Refer to the test circuits, VCC = 4.5 V to 5.5 V, TA = TMIN to TMAX, unless otherwise specified. Typical value are referred at TA = 25 °C. Refer to the test circuits, VCC = 4.5 V to 5.5 V, TA = -40 to 125 °C, unless otherwise specified. Typical value are referred at TA = 25 °C. Table 5. Electrical characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage IO = 0 to 20 mA 11.4 12 12.6 V IO = 0 to 30 mA, VCC = 4.75 to 5.5 V 11.4 12 12.6 IQ1 Quiescent current NO LOAD, VSHDN = 0 100 500 µA IQ2 Shutdown current NO LOAD, VSHDN = VCC 1 10 µA ISH Shutdown pin current VSHDN = 0, VCC = 5V -50 -12 -5 µA VSHDN = VCC = 5V 0 µA VIL Shutdown input low threshold 0.4 V VIH Shutdown input high threshold 2.4 V fO Oscillator frequency VCC = 5 V, IO = 30 mA 400 kHz n Power efficiency VCC = 5 V, IO = 30 mA 72 % RSW VCC - VOUT switch impedance VSHDN = VCC = 5V, IO = 100 µA 1 2 kΩ Table 6. Electrical characteristics for ST662AB-TRY (Automotive Grade) Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage IO = 0 to 20 mA 11.2 12 12.8 V IO = 0 to 30 mA, VCC = 4.75 to 5.5 V 11.2 12 12.8 IQ1 Quiescent current NO LOAD, VSHDN = 0 100 500 µA IQ2 Shutdown current NO LOAD, VSHDN = VCC 1 15 µA ISH Shutdown pin current VSHDN = 0, VCC = 5V -50 -12 -5 µA VSHDN = VCC = 5V, TA = 25°C 0 µA VIL Shutdown input low threshold 0.4 V VIH Shutdown input high threshold 2.4 V fO Oscillator frequency VCC = 5 V, IO = 30 mA, TA = 25°C 400 kHz n Power efficiency VCC = 5 V, IO = 30 mA, TA = 25°C 72 % RSW VCC - VOUT switch impedance VSHDN = VCC = 5V, IO = 100 µA 1 2 kΩ

Page 8

ST662AB, ST662AC Typical performance characteristics Doc ID 5068 Rev 8 7/20 5 Typical performance characteristics Figure 3. Output voltage vs. temperature (IOUT = 50 mA) Figure 4. Output voltage vs. temperature (IOUT = 30 mA) Figure 5. Supply current vs. temperature Figure 6. Supply current vs. supply voltage Figure 7. SHDN pin current vs. temperature Figure 8. Output voltage vs. shutdown input

Page 9

Typical performance characteristics ST662AB, ST662AC 8/20 Doc ID 5068 Rev 8 Figure 9. Output voltage vs. shutdown input voltage (No load) Figure 10. Output voltage vs. shutdown input voltage (IOUT = 30 mA) Figure 11. Test circuit

Page 10

ST662AB, ST662AC Description Doc ID 5068 Rev 8 9/20 6 Description The ST662 is an IC developed to provide a 12 V regulated output 30 mA from voltage input as low as 4.75 without any inductors. It is useful for a wide range of applications and its performances make it ideal for Flash memory programming supply. An evaluation kit is provided to facilitate the application. This include a single-side demo board designed for surface-mount components.The operating principle of ST662 (see Figure 12) is to charge C1 and C2 capacitor by closing the S1 switch (while S2 is opened) at the VCC voltage. After S1 is opened and S2 closed so that C1 and C2 capacitors are placed in series one to each other, and both are in series with VIN. The sum of VC1 and VC2 and VI is applied to the capacitor C4. This works as voltage triple. An amplifier error checks the output voltage and blocks the oscillator if the output voltage is greater than 12 V. The shutdown pin is internally pulled to VCC. When it is held low the output voltage rises to +12 V. Figure 13 shows the transition time of the shut down pin when the VSHDN goes from 5 V to 0 V. Input logic levels of this input are CMOS compatible Applying a logic high at this input, the VOUT oscillator is blocked and the VOUT is reach the VI value by D1. In this condition ICC is low as 1 µA. The Figure 14 shows the transition time of the shut down pin when the VSHDN goes from 0 V to 5 V. Figure 12. Operating principle circuit

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Kie*****Goda

December 4, 2020

Item works as described, fast delivery, nice contact!

Hele*****quivel

December 2, 2020

Received Quickly. Excellent Communication. Capacitors Look Excellent.

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