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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsFAN49103AUC340X
FAN49103AUC340X Image
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See specifications for product details.

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
Detailed Description
Package
20-UFBGA, WLCSP
Data sheet
Cylindrical Battery Holders.pdf
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
In stock: 68840

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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  

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

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

  1. Use your express account for shipment if you have one.
  2. 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

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. 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
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
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.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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FAN49103AUC340X Image

FAN49103AUC340X

onsemi
32D-FAN49103AUC340X

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