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MP8869WGL датащи(PDF) 39 Page - Monolithic Power Systems |
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MP8869WGL датащи(HTML) 39 Page - Monolithic Power Systems |
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39 / 41 page ![]() MP8869W – 3V - 18V, 12A, SYNCHRONOUS STEP-DOWN CONVERTER MP8869W Rev. 1.02 www.MonolithicPower.com 39 1/18/2018 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2018 MPS. All Rights Reserved. TYPICAL APPLICATION CIRCUITS (continued) MP8869W VIN 9 5 PG A0 SS SDA SCL BST SW VOUT VCC PGND AGND FB EN C5 0.47μF RPG 100kΩ C1 22µF R2 11kΩ R4 10kΩ C2 22µF C2A 22µF C1A 22µF C1B 0.1µF R3 0Ω C3 0.1µF C2B 22µF R1 80.6kΩ L1 3.3µH C4 22pF C6 22nF VIN 12V PG SDA SCL VOUT 5V/12A 13 7 4 3 6 14 8 12 11 10 2 1 C2C 22µF EN R5 499kΩ RA0_up RA0_down NS (I2C slave address setup by A0 resistor divider) VCC Figure 21: VIN = 12V, VOUT = 5V, IOUT = 12A(11) NOTE: 11) Based on evaluation board test results at 25°C ambient temperature. A lower input voltage will trigger over-temperature protection with full load. MP8869W VIN 9 5 PG A0 SS SDA SCL BST SW VOUT VCC PGND AGND FB EN C5 0.47μF RPG 100kΩ C1A 22µF R2 162kΩ R4 10kΩ C2 22µF C2A 22µF C1B 22µF C1C 0.1µF R3 0Ω C3 0.1µF C2B 22µF R1 80.6kΩ L1 0.47µH C4 NS C6 22nF VIN 3V PG SDA SCL VOUT 0.9V/12A 13 7 4 3 6 14 8 12 11 10 2 1 C2C 22µF Vcc EN R5 499kΩ RA0_up RA0_down NS NS (I2C slave address setup by A0 resistor divider) C1 220µF Figure 22: VIN = 3V, VOUT = 0.9V, IOUT = 12A MP8869W VIN 9 5 PG A0 SS SDA SCL BST SW VOUT VCC PGND AGND FB EN C5 0.47μF RPG 100kΩ C1A 22µF R2 80.6kΩ R4 10kΩ C2 22µF C2A 22µF C1B 22µF C1C 0.1µF R3 0Ω C3 0.1µF C2B 22µF R1 80.6kΩ L1 0.47µH C4 NS C6 22nF VIN 3V PG SDA SCL VOUT 1.2V/12A 13 7 4 3 6 14 8 12 11 10 2 1 C2C 22µF Vcc EN R5 499kΩ RA0_up RA0_down NS NS (I2C slave address setup by A0 resistor divider) C1 220µF Figure 23: VIN = 3V, VOUT = 1.2V, IOUT = 12A |
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