3MHz Synchronous TinyBoost™

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Overview

The FAN4860 is a low-power boost regulator designed to provide a regulated 3.3 V, 5.0 V or 5.4 V output from a single cell Lithium or Li-Ion battery. Output voltage options are fixed at 3.3 V, 5.0 V, or 5.4 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 FAN4860 ideal for battery powered applications.
The FAN4860 is available in 6-bump 0.4 mm pitch Wafer-Level Chip Scale Package (WLCSP) and a 6-lead 2x2 mm ultra-thin MLP package.

  • TBA
  • Operates with Few External Components: 1 µH Inductor and 0402 Case Size Input and Output Capacitors
  • Input Voltage Range from 2.3 V to 5.4 V
  • Fixed 3.3 V, 5.0 V, or 5.4 V Output Voltage Options
  • Maximum Load Current >150 mA at VIN=2.3 V
  • Maximum Load Current 300 mA at VIN=3.3 V, VOUT=5.4 V
  • Maximum Load Current 300 mA at VIN=3.3 V, VOUT=5.0 V
  • Maximum Load Current 300 mA at VIN=2.7 V, VOUT=3.3 V
  • Up to 92% Efficient
  • 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-Pin 2 x 2 mm UMLP
  • 6-Bump WLCSP, 0.4 mm Pitch

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FAN4860UC5X

Lifetime

Pb

A

H

P

WLCSP-6

1

260

REEL

3000

N

Step-Up

Current Mode

2.3

4.5

5

0.4

92

3000

$0.3335

More Details

FAN4860UMP5X

Lifetime

Pb

A

H

P

UDFN-6

1

260

REEL

3000

N

Step-Up

Current Mode

2.3

4.5

5

0.4

92

3000

$0.4659

More Details

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