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FAN4860

Fairchild Semiconductor
Part Number FAN4860
Manufacturer Fairchild Semiconductor
Description 5V Output Synchronous TinyBoost Regulator
Published Feb 15, 2016
Detailed Description FAN4860 — 3MHz, 5V Output Synchronous TinyBoost™ Regulator April 2010 FAN4860 3MHz, 5V Output Synchronous TinyBoost™ R...
Datasheet PDF File FAN4860 PDF File

FAN4860
FAN4860

Overview
FAN4860 — 3MHz, 5V Output Synchronous TinyBoost™ Regulator April 2010 FAN4860 3MHz, 5V Output Synchronous TinyBoost™ Regulator Features ƒ Operates with Very Small External Components: 1μH Inductor and 0402 Case Size Input and Output Capacitors ƒ Input Voltage Range from 2.
3V to 4.
5V ƒ Fixed 5.
0V Output Voltage ƒ Maximum Load Current 200mA at VIN=2.
3V ƒ Maximum Load Current 300mA at VIN=3.
3V ƒ Up to 92% Efficient ƒ Low Operating Quiescent Current ƒ True Load Disconnect During Shutdown ƒ Variable On-time Pulse Frequency Modulation (PFM) with Light-Load Power-Saving Mode ƒ Internal Synchronous Rectifier (No External Diode Needed) ƒ Thermal Shutdown and Overload Protection ƒ 6-Pin 2 x 2mm UMLP ƒ 6-Bump WLCSP, 0.
4mm Pitch Applications ƒ USB “On the Go” 5V Supply ƒ HDMI 5V Supply ƒ 5V Supply for H-Bridge Motor Drivers ƒ Powering 5V Peripherals ƒ Supply Source for WLED Torch and Flash Lighting ƒ PDAs, Portable Media Players ƒ Cell Phones, Smart Phones, Portable Instruments Description The FAN4860 is a low-power boost regulator designed to provide a regulated 5V output from a single cell Li-Ion battery.
The output voltage is fixed at 5.
0V with a guaranteed maximum load current of 200mA at VIN=2.
3V and 300mA at VIN=3.
3V.
Input current in shut-down mode is less than 1µA, which maximizes battery life.
Light-load PFM operation is automatic and “glitch-free”.
The regulator maintains output regulation at no-load with 37µA 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.
4mm pitch WaferLevel Chip Scale Package (WLCSP) and a 6-lead 2x2mm ultra-thin MLP package.
Figure 1.
Typical Application Ordering Information Part Number FAN4860UC5X FAN4860UMP5X Operating Temperature Range -40°C to 85°C -40°C to 85°C Package WLCSP, 0.
4mm Pitch UMLP-6, 2 x 2mm Please refer to tape and reel specifications at http://www.
fairchildsem...


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