View max1602 datasheet:

19-1125; Rev 0; 9/96 Single-Channel CardBus and PCMCIA VCC/VPP Power-Switching Network _______________General Description ____________________________Features The MAX1602 DC power-switching IC contains a net- ¦ Supports a Single PC Card/CardBus Socket work of low-resistance MOSFET switches that deliver ¦ 1A, 0.25? Max 3.3V VCC Switch selectable VCC and VPP voltages to a single CardBus 1A, 0.25? Max 5V VCC Switch or PC Card host socket. Key features include low- resistance switches, small packaging, soft-switching ¦ Soft Switching for Low Inrush Surge Current action, and compliance with PCMCIA specifications for ¦ Overcurrent Protection 3V/5V switching. 3.3V-only power switching for fast, ¦ Overcurrent/Thermal-Fault Flag Output 32-bit CardBus applications is supported in two