MAX895L

Dual, Current-Limited, High-Side P-Channel Switches with Thermal Shutdown

Low Resistance P-Channel Switches with Adjustable, Accurate Current Limit Protects Systems and USB


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Description

The MAX894L/MAX895L smart, dual, low-voltage, P-channel, MOSFET power switches are intended for high-side load-switching applications. These switches operate with inputs from +2.7V to +5.5V, making them ideal for both 3V and 5V systems. Internal current-limiting circuitry protects the input supply against overload. Thermal-overload protection limits power dissipation and junction temperature.

The MAX894L/MAX895L's maximum current limits are 500mA and 250mA, respectively. The current limit through the switches is programmed with resistors from SET A/SET B to ground. When the switches are on, the quiescent supply current is a low 16µA. When the switches are off, the supply current decreases to 0.1µA.

The MAX894L/MAX895L are available in an 8-pin SO package.
MAX894L, MAX895L: Typical Operating Circuit MAX894L, MAX895L: Typical Operating Circuit Enlarge+

Key Features

  • +2.7V to +5.5V Input Range
  • Programmable Current Limits
  • Low Supply Current:
    • 16µA IQ at VIN = 3.3V
    • 0.1µA with Switch Off
  • Thermal Shutdown

Applications/Uses

  • Access Bus Slots
  • PCMCIA Slots
  • Portable Equipment
Request Reliability Report for: MAX895L 
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