MAX1971 Dual / 180 Out-of-Phase / 1.4MHz / 750mA Step-Down Regulator

Maxim

Description

19-2297; Rev 0; 1/02 Dual, 180° Out-of-Phase, 1.4MHz, 750mA StepDown Regulator with POR and RSI/PFO General .
The MAX1970/MAX1971/MAX1972 dual-output currentmode PWM buck regulators operate from 2.

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MAX1971 Datasheet Preview — Preview of MAX1971 PDF

Datasheet Specifications

Part number: MAX1971
Manufacturer: Maxim
File Size: 267.86 KB
Datasheet: MAX1971-Maxim.pdf
Description: Dual / 180 Out-of-Phase / 1.4MHz / 750mA Step-Down Regulator

Features

* o Current-Mode, 1.4MHz Fixed-Frequency PWM Operation o 180° Out-of-Phase Operation Reduces Input Capacitor o ±1% Output Accuracy Over Load, Line, and Temperature Ranges o 750mA Guaranteed Output Current o 2.6V to 5.5V Input o Power-On Reset Delay of 16.6ms (MAX1970) or 175ms (MAX1971 and MAX1972) o

Applications

* xDSL Modems xDSL Routers Copper Gigabit SFP and GBIC Modules USB-Powered Devices Dual LDO Replacement Typical Operating Circuit VIN 2.6V TO 5.5V Pin Configuration TOP VIEW RSI EN RSI EN IN VCC POR POR LX1 OUT1 1.8V 750mA LX1 1 VCC 2 COMP1 3 FB1 4 16 PGND 15 LX2 14 IN MAX1971 COMP1 COMP2 VC

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MAX1971 Dual 180 Out-of-Phase 1.4MHz 750mA Step-Down Regulator Maxim

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