MAX1595EUA50+T

开关稳压器 Regulated 3.3/5.0V Step-Up/Step-Down

Regulated 3.3V/5.0V Step-Up/Step-Down  Charge Pump

MAX1595EUA50+T General Description

The MAX1595 charge-pump regulator generates either 3.3V or 5V from a 1.8V to 5.5V input. The unique control architecture allows the regulator to step up or step down the input voltage to maintain output regulation. The 1MHz switching frequency, combined with a unique control scheme, allows the use of a ceramic capacitor as small as 1μF for 125mA of output current. The complete regulator requires three external capacitors—no inductor is needed. The MAX1595 is specifically designed to serve as a high-power, high- efficiency auxiliary supply in applications that demand a compact design. The MAX1595 is offered in space-saving 8-pin μMAX® and high-power 12-pin TQFN packages.

MAX1595EUA50+T Features

♦ Ultra-Small: Requires Only Three Ceramic Capacitors

♦ No Inductors Required

♦ Up to 125mA Output Current

♦ Regulated ±3% Output Voltage

♦ 1MHz Switching Frequency

♦ 1.8V to 5.5V Input Voltage

♦ 220μA Quiescent Current

♦ 0.1μA Shutdown Current

♦ Load Disconnect in Shutdown

MAX1595EUA50+T Applications

White LED Power

Flash Memory Supplies

Battery-Powered Applications

Miniature Equipment

PCMCIA Cards

3.3V to 5V Local Conversion Applications

Backup-Battery Boost Converters

3V to 5V GSM SIMM Cards

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