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ADP1822

Part Number	ADP1822
Manufacturer	Analog Devices
Description	Step-Down DC-to-DC Controller
Published	Jan 14, 2007
Detailed Description	Data Sheet PWM, Step-Down DC-to-DC Controller with Margining and Tracking ADP1822 FEATURES Wide power input voltage ra...
Datasheet	ADP1822 PDF File

Overview

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.
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 Undervoltage lockout 1 µA shutdown supply current Small, 24-lead QSOP package APPLICATIONS Telecommunicati...

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