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Home Products Integrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching Regulators~~FAN49103AUC340X~~

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FAN49103AUC340X - onsemi

Manufacturer Part Number: FAN49103AUC340X

Manufacturer: onsemi

Allelco Part Number: 32D-FAN49103AUC340X

ECAD Model

Parts Description: IC REG BCK BST 3.4V 2.5A 20WLCSP

Package: 20-UFBGA, WLCSP

Data sheet: Cylindrical Battery Holders.pdf
Cylindrical Battery Holders.pdf

RoHs Status: ROHS3 Compliant

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Specifications

FAN49103AUC340X Tech Specifications
onsemi - FAN49103AUC340X technical specifications, attributes, parameters and parts with similar specifications to onsemi - FAN49103AUC340X

Product Attribute	Attribute Value
Manufacturer	onsemi
Voltage - Output (Min/Fixed)	2.8V, 3.4V
Voltage - Output (Max)	4V
Voltage - Input (Min)	2.5V
Voltage - Input (Max)	5.5V
Topology	Buck-Boost
Synchronous Rectifier	Yes
Supplier Device Package	20-WLCSP (1.96x1.56)
Series	TinyPower™
Package / Case	20-UFBGA, WLCSP

Product Attribute	Attribute Value
Package	Tape & Reel (TR)
Output Type	Programmable (Fixed)
Output Configuration	Positive
Operating Temperature	-40°C ~ 85°C (TA)
Number of Outputs	1
Mounting Type	Surface Mount
Function	Step-Up/Step-Down
Frequency - Switching	1.8MHz
Current - Output	2.5A
Base Product Number	FAN49103

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.39.0001

Parts Introduction

Manufacturer Part Number

FAN49103AUC340X

Manufacturer

onsemi

Introduction

Power management integrated circuit for efficient voltage regulation

Product Features and Performance

Buck-Boost topology

Programmable fixed output

High-frequency switching at 1.8MHz

Synchronous rectification for improved efficiency

TinyPower™ series for compact designs

Product Advantages

High output current capability up to 2.5A

Wide input voltage range from 2.5V to 5.5V

Flexible output voltage settings of 2.8V and 3.4V

Optimized for low-power applications

Key Technical Parameters

Input Voltage: 2.5V to 5.5V

Output Voltage: 2.8V, 3.4V, up to 4V

Output Current: 2.5A

Switching Frequency: 1.8MHz

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Robust operation in extended temperature ranges

Integrated protection mechanisms

Compatibility

Compatible with a wide range of input sources

Designed for surface mount technology

Application Areas

Portable electronics

Power supply modules

Battery-powered devices

Product Lifecycle

Active status

No known discontinuation, replacements, or upgrades announced

Several Key Reasons to Choose This Product

Compact 20-WLCSP (1.96x1.56) footprint

High efficiency for extended battery life

Supports both step-up and step-down voltage regulation

Suitable for IoT and wearable devices due to size and performance

Reliability backed by onsemi's reputation

Parts with Similar Specifications

The three parts on the right have similar specifications to onsemi FAN49103AUC340X

Product Attribute
Part Number	FAN49103AUC340X	FAN48685UC08X	FAN49101AUC340X	FAN49100AUC330X
Manufacturer	onsemi	onsemi	Fairchild Semiconductor	onsemi
Frequency - Switching	1.8MHz	2.5MHz	1.8MHz	1.8MHz
Voltage - Input (Min)	2.5V	2.5V	2.5V	2.5V
Supplier Device Package	20-WLCSP (1.96x1.56)	9-WLCSP (1.22x1.22)	20-WLCSP (1.96x1.56)	20-WLCSP (1.96x1.56)
Voltage - Output (Min/Fixed)	2.8V, 3.4V	3.6V, 5V, 5.45V	3.4V	3.3V
Output Type	Programmable (Fixed)	Programmable	Fixed	Fixed
Synchronous Rectifier	Yes	Yes	Yes	Yes
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Current - Output	2.5A	800mA	2A	2A
Output Configuration	Positive	Positive	Positive	Positive
Base Product Number	FAN49103	FAN48685	FAN49101	FAN49100
Number of Outputs	1	1	1	1
Topology	Buck-Boost	Boost	Buck-Boost	Buck-Boost
Package / Case	20-UFBGA, WLCSP	9-UFBGA, WLCSP	20-UFBGA, WLCSP	20-UFBGA, WLCSP
Function	Step-Up/Step-Down	Step-Up	Step-Up/Step-Down	Step-Up/Step-Down
Package	Tape & Reel (TR)	Tape & Reel (TR)	Bulk	Tape & Reel (TR)
Voltage - Output (Max)	4V	-	-	-
Series	TinyPower™	TinyBoost®	TinyPower™	TinyPower™
Voltage - Input (Max)	5.5V	5.5V	5.5V	5.5V
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount

FAN49103AUC340X Datasheet PDF

Download FAN49103AUC340X pdf datasheets and onsemi documentation for FAN49103AUC340X - onsemi.

Datasheets: Cylindrical Battery Holders.pdf
Environmental Information: onsemi RoHS.pdf onsemi REACH.pdf
PCN Design/Specification: Logo 17/Aug/2017.pdf FANx/FFGx/FPFx/FSAx/FSUBx/FTLx/FUSBx 06/May/2022.pdf
PCN Packaging: 2.73KHz.pdf
PCN Assembly/Origin: Second Source 27/Apr/2021.pdf
HTML Datasheet: Cylindrical Battery Holders.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

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