FPF1204: IntelliMAX™ Ultra-Small, Slew-Rate-Controlled Load Switch

The FPF1203 / 04 / 45 are ultra-small integrated IntelliMAX™ load switches with integrated P-channel switch and analog control features. Integrated slew-rate control prevents inrush current and the resulting excessive voltage drop on the power rail. The input voltage range operates from 1.2V to 5.5V to provide power-disconnect capability for post-regulated power rails in portable and consumer products. The low shut-off current of 1µA (maximum) allows power designs to meet standby and off-power drain specifications.

The FPF1203 / 04 / 45 are controlled by an active-HIGH logic input (ON pin) compatible with standard CMOS GPIO circuitry found on Field Programmable Gate Array (FPGA) embedded processors. The FPF1203 / 04 / 045 are available in 0.76mm x 0.76mm 4-bump WLCSP.

Features

• 1.2V to 5.5V Input Voltage Operating Range
• Typical R_ON:
  • 45mΩ at VIN=5.5V
  • 55mΩ at VIN=3.3V
  • 90mΩ at VIN=1.8V
  • 85mΩ at VIN=1.2V
• 45mΩ at V_IN=5.5V
• 55mΩ at V_IN=3.3V
• 90mΩ at V_IN=1.8V
• 85mΩ at V_IN=1.2V
• Slew Rate Control with tR:
  • FPF1203/FPF1204:100µs
  • FPF12045:2µs
• FPF1203/FPF1204:100µs
• FPF12045:2µs
• Output Discharge Function on FPF1204 / FPF1205
• Low <1.5µA Quiescent Current
• ESD Protected: Above 7kV HBM, 2kV CDM
• GPIO / CMOS-Compatible Enable Circuitry
• 4-Bump WLCSP, 0.76mm x 0.76mm, 0.4mm Pitch

Application Notes