FPF1048 − IntelliMAX™ 3A-Capable, Slew-Rate-Controlled Load Switch with True Reverse Current Blocking

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The FPF1048B advanced load management switch targets applications requiring a highly integrated solution. It disconnects loads powered from the DC power rail (<6V) with stringent off-state current targets and high load capacitances (up to 100µF). The FPF1048B consists of slew-rate controlled low-impedance MOSFET switch (23mΩ typical) and integrated analog features. The slew-rate controlled turn-on characteristic prevents inrush current and the resulting excessive voltage droop on power rails.

The FPF1048B has a True Reverse Current Blocking (TRCB) function that obstructs unwanted reverse current from VOUT to VIN during both ON and OFF states. The exceptionally low off-state current drain (<1µA maximum) facilitates compliance with standby power requirements. The input voltage range operates from 1.5V to 5.5VDC to support a wide range of applications in consumer, optical, medical, storage, portable, and industrial device power management. Switch control is managed by a logic input (active HIGH) capable of interfacing directly with low-voltage control signal / General-Purpose Input / Output (GPIO) without an external pull-down resistor.

The device is packaged in advanced, fully “green” compliant, 1.0mm x 1.5mm, Wafer-Level Chip-Scale Package (WLCSP) with backside lamination.

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Product Status/Pricing/Packaging

Product Product & Eco Status *Pricing Packaging & Packing Info **Package Marking Convention Qualification Support Compliance Certificates
0 FPF1048BUCX Full Production
Green as of Oct 2011
$0.28  Details
0 x 0 x 0mm
TAPE REEL

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FIT :  0.7  
Moisture Sensitivity Level (MSL) :  1  
Max Reflow Temp :  260  

Features

■ Input Voltage Operating Range: 1.5V to 5.5V
■ Typical RDS(ON):
- 21mΩ at VIN=5.5V
- 23mΩ at VIN=4.5V
- 41mΩ at VIN=1.8V
- 90mΩ at VIN=1.5V
■ Slew Rate/Inrush Control with tR: 2.7ms (Typ.)
■ 3A Maximum Continuous Current Capability
■ Low Off Switch Current: 1µA
■ True Reverse Current Blocking (TRCB)
■ Logic CMOS IO Meets JESD76 Standard for GPIO Interface and Related Power Supply Requirements
■ ESD Protected:
- Human Body Model: 8kV
- Charged Device Model: 1.5kV
- IEC 61000-4-2 Air Discharge: 15kV
- IEC 61000-4-2 Contact Discharge: 8kV

Applications

  • Media Tablets
  • Storage & Peripherals
  • Mobile Handsets
  • Wireless LAN Card & Broadband Access
  • PMP/MP3 Players

Application Notes



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