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APW8811 - System Power PWM Controller

Description

The APW8811 integrates dual step-down, constant-ontime, synchronous PWM controllers (that drives dual Nchannel MOSFETs for each channel) and two low dropout regulators as well as various protections into a chip.

Features

  • Wide Input Voltage Range from 6V to 25V Provide 4 Independent Outputs with ±1.5% Accuracy Over-Temperature - PWM1 Controller with Adjustable (2V to 5.5V) Output - PWM2 Controller with Adjustable (2V to 5.5V) Output - 100mA Low Dropout Regulator (LDO5) with Fixed 5V Output - 100mA Low Dropout Regulator (LDO3) with Fixed 3.3V Output Simplified.

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Datasheet preview – APW8811

Datasheet Details

Part number APW8811
Manufacturer ANPEC
File Size 387.69 KB
Description System Power PWM Controller
Datasheet download datasheet APW8811 Datasheet
Additional preview pages of the APW8811 datasheet.

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Full PDF Text Transcription

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APW8811 System Power PWM Controller for Notebook Computers Features • • Wide Input Voltage Range from 6V to 25V Provide 4 Independent Outputs with ±1.5% Accuracy Over-Temperature - PWM1 Controller with Adjustable (2V to 5.5V) Output - PWM2 Controller with Adjustable (2V to 5.5V) Output - 100mA Low Dropout Regulator (LDO5) with Fixed 5V Output - 100mA Low Dropout Regulator (LDO3) with Fixed 3.3V Output Simplified Application Circuit VIN 6V~28V VLDO 5 VOUT1 Q1 L1 Q2 PWM1 PWM2 EN LDO LDO5 EN PWM LDO3 VLDO 3 Q3 L2 Q4 VOUT2 General Description The APW8811 integrates dual step-down, constant-ontime, synchronous PWM controllers (that drives dual Nchannel MOSFETs for each channel) and two low dropout regulators as well as various protections into a chip.
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