3 MHz, Synchronous Regulator

已停产

概览

The FAN4868 is a low−power boost regulator designed to provide a regulated 3.3 V output from a single cell Lithium or Li−Ion battery. Output voltage options are fixed at 3.3 V with a guaranteed maximum load current of 200 mA at VIN = 2.3 V and 300 mA at VIN = 3.3 V. Input current in Shutdown Mode is less than 1 μA, which maximizes battery life.Light−load PFM operation is automatic and “glitch−free”. The regulator maintains output regulation at no−load with as low as 37 μA quiescent current.The combination of built−in power transistors, synchronous rectification, and low supply current make the FAN4868 ideal for battery powered applications.The FAN4868 is available in 6−bump 0.4 mm pitch Wafer−Level Chip Scale Package (WLCSP).

  • Powering 3.3 V Core Rails
  • PDAs, Portable Media Players
  • Cell Phones, Smart Phones, Portable Instruments
  • PDAs, Portable Media Players
  • Cell Phones, Smart Phones, Portable Instruments
  • Operates with Few External Components:1 μH Inductor and 0402 Case Size Input and Output Capacitors
  • Input Voltage Range from 2.3 V to 3.2 V
  • Fixed 3.3 V Output Voltage Options
  • Maximum Load Current >150 mA at VIN = 2.3 V
  • Maximum Load Current 300 mA at VIN = 2.7 V, VOUT = 3.3 V
  • Low Operating Quiescent Current
  • True Load Disconnect During Shutdown
  • Variable On−time Pulse Frequency Modulation (PFM) with Light−Load Power−Saving Mode
  • Internal Synchronous Rectifier (No External Diode Needed)
  • Thermal Shutdown and Overload Protection
  • 6−Bump WLCSP, 0.4 mm Pitch

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已停产

CAD Model

Pb

A

H

P

WLCSP-6

1

260

REEL

3000

No

Step-Up

-

2.3

3.2

3.3

0.3

-

3000

Price N/A

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