General Description

The MAX1602 DC power-switching IC contains a network of low-resistance MOSFET switches that deliver selectable VCC and VPP voltages to a single CardBus or PC Card host socket. Key features include lowresistance switches, small packaging, soft-switching action, and compliance with PCMCIA specifications for 3V/5V switching.

Features

♦ Supports a Single PC Card/CardBus Socket

♦ 1A, 0.25Ω Max 3.3V VCC Switch

1A, 0.25Ω Max 5V VCC Switch

♦ Soft Switching for Low Inrush Surge Current

♦ Overcurrent Protection

♦ Overcurrent/Thermal-Fault Flag Output

♦ Thermal Shutdown at Tj = +150°C

♦ Independent Internal Charge Pumps

♦ Break-Before-Make Switching Action

♦ 11µA Max Standby Supply Current

♦ 5V and 12V Not Required for Low-RDS(ON) 3.3V Switching

♦ Complies with PCMCIA 3V/5V Switching Specifications

♦ Super-Small 16-Pin QSOP Package

♦ Code Compatible with:

Cirrus CL-PD67XX Family

Databook DB86184

Intel 82365SL (industry-standard coding)

Applications

Data Loggers

Handy-Terminals

Docking Stations

PCMCIA Read/Write Drives