MAX1534 Datasheet (Maxim Integrated Products) - High-Efficiency / Triple-Output / Keep-Alive Power-Supply

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

The MAX1534 is a high-efficiency, triple-output power supply for keep-alive (always on) voltage rails.

The 500mA buck regulator with an internal current-limited 0.5Ω PMOS steps down the battery or wall adapter supply rail to a fixed 5V or an adjustable output voltage.

Two integrated low-voltage line

MAX1534 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