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FAN4868 Datasheet(PDF) 1 Page - ON Semiconductor

Part # FAN4868
Description  3 MHz, Synchronous TinyBoost Regulator
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

FAN4868 Datasheet(HTML) 1 Page - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2017
October, 2018 − Rev. 3
1
Publication Order Number:
FAN4868/D
FAN4868
3 MHz, Synchronous
TinyBoost) Regulator
Description
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).
Features
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
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−Bump WLCSP, 0.4 mm Pitch
Applications
Powering 3.3 V Core Rails
PDAs, Portable Media Players
Cell Phones, Smart Phones, Portable Instruments
www.onsemi.com
WLCSP6 0.88 x 1.23 x 0.458
CASE 567VM
See detailed ordering and shipping information on page 2 of
this data sheet.
ORDERING INFORMATION
EN
SW
L1
GND
VIN
FB
VOUT
C2
C1
B2
B1
A2
A1
VIN
CIN
2.2 μF
1 μH
4.7 μF
COUT
TYPICAL APPLICATION
SCALE 4:1


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