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MAX1534 High-Efficiency / Triple-Output / Keep-Alive Power-Supply

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Description

19-2662; Rev 0; 10/02 High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers General .
The MAX1534 is a high-efficiency, triple-output power supply for keep-alive (always on) voltage rails.

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Features

* o One Switching and Two Linear Regulators o Switching Regulator +4.5V to +24V Input Voltage Range Over 95% Efficiency Up to 500mA Output Current Up to 200kHz Switching Frequency Fixed 5V or Adjustable Output Voltage Internal 0.5Ω PMOS Switch 100% Maximum Duty Cycle for Low-Dropout Operation o Two Lo

Applications

* Notebook and SubNotebook Computers Wake-On LAN 2 to 4 Li+ Cells BatteryPowered Devices Hand-Held Devices Keep-Alive Supplies Standby Supplies PART MAX1534ETE Ordering Information TEMP RANGE PIN-PACKAGE -40°C to +85°C 16 Thin QFN (4mm × 4mm) Pin Configuration appears at end of data sheet. Typical

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