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ADP1822 - Step-Down DC-to-DC Controller

Description

The ADP1822 is a versatile and inexpensive synchronous voltagemode PWM step-down controller

Features

  • Wide power input voltage range: 1 V to 24 V Chip supply voltage range: 3.7 V to 5.5 V Wide output voltage range: 0.6 V to 85% of input voltage 1% accuracy, 0.6 V reference voltage Output voltage margining control Output voltage tracking All N-channel MOSFET 300 kHz, 600 kHz, or up to 1.2 MHz synchronized frequency No current sense resistor required Power-good output Programmable soft start with reverse current protection Current-limit protection Thermal overload protection Overvoltage protection.

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Full PDF Text Transcription

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Data Sheet PWM, Step-Down DC-to-DC Controller with Margining and Tracking ADP1822 FEATURES Wide power input voltage range: 1 V to 24 V Chip supply voltage range: 3.7 V to 5.5 V Wide output voltage range: 0.6 V to 85% of input voltage 1% accuracy, 0.6 V reference voltage Output voltage margining control Output voltage tracking All N-channel MOSFET 300 kHz, 600 kHz, or up to 1.
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