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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsFAN53540UCX
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FAN53540UCX - onsemi

Manufacturer Part Number
FAN53540UCX
Manufacturer
onsemi
Allelco Part Number
32D-FAN53540UCX
ECAD Model
Parts Description
IC REG BUCK ADJ 5A 20WLCSP
Detailed Description
Package
20-UFBGA, WLCSP
Data sheet
FAN53540.pdf
RoHs Status
ROHS3 Compliant
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In stock: 30553

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Specifications

FAN53540UCX Tech Specifications
onsemi - FAN53540UCX technical specifications, attributes, parameters and parts with similar specifications to onsemi - FAN53540UCX

Product Attribute Attribute Value  
Manufacturer onsemi  
Voltage - Output (Min/Fixed) 0.8V  
Voltage - Output (Max) 4.95V  
Voltage - Input (Min) 2.7V  
Voltage - Input (Max) 5.5V  
Topology Buck  
Synchronous Rectifier Yes  
Supplier Device Package 20-WLCSP (1.96x1.56)  
Series TinyBuck®  
Package / Case 20-UFBGA, WLCSP  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature -40°C ~ 85°C (TA)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 2.4MHz  
Current - Output 5A  
Base Product Number FAN53540  

Parts Introduction

Manufacturer Part Number

FAN53540UCX

Manufacturer

onsemi

Introduction

TinyBuck® high-efficiency step-down voltage regulator

Product Features and Performance

Integrated MOSFETs

Adjustable output voltage

Synchronous rectification for improved efficiency

4MHz high-switching frequency

1 output channel

Thermal shutdown protection

Overcurrent and short-circuit protection

Soft-start to minimize inrush current

Product Advantages

High power density

Compact 20-WLCSP package

Low quiescent current

Simple external components

Key Technical Parameters

Input Voltage Range: 2.7V to 5.5V

Output Voltage Range: 0.8V to 4.95V

Output Current Capability: 5A

Frequency - Switching: 2.4MHz

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

Quality and Safety Features

Built-in over-temperature protection

Under-voltage lockout

Compatibility

Suited for point-of-load applications

Application Areas

Consumer electronics

Networking

Telecommunication

Portable devices

Product Lifecycle

Obsolete

Potential need to find replacements or consider last-time buys

Several Key Reasons to Choose This Product

Optimized for space-constrained applications

Efficient power conversion for extended battery life

High switching frequency allows the use of smaller passive components

Supports a wide range of input and output voltages

High-reliability performance over a broad temperature range

Parts with Similar Specifications

The three parts on the right have similar specifications to onsemi FAN53540UCX

Product Attribute FAN53540UCX FAN53541UCX FAN53555BUC09X FAN53555BUC05X
Part Number FAN53540UCX FAN53541UCX FAN53555BUC09X FAN53555BUC05X
Manufacturer onsemi onsemi onsemi Fairchild Semiconductor
Supplier Device Package 20-WLCSP (1.96x1.56) 20-WLCSP (1.96x1.56) 20-WLCSP (1.96x1.56) 20-WLCSP (1.96x1.56)
Voltage - Output (Min/Fixed) 0.8V 0.8V 0.603V 0.6V
Voltage - Input (Min) 2.7V 2.7V 2.5V 2.5V
Base Product Number FAN53540 FAN53541 FAN53555 -
Number of Outputs 1 1 1 1
Series TinyBuck® TinyBuck® TinyBuck® TinyBuck®
Function Step-Down Step-Down Step-Down Step-Down
Voltage - Input (Max) 5.5V 5.5V 5.5V 5.5V
Package / Case 20-UFBGA, WLCSP 20-UFBGA, WLCSP 20-UFBGA, WLCSP 20-UFBGA, WLCSP
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Bulk
Synchronous Rectifier Yes Yes Yes Yes
Output Type Adjustable Adjustable Programmable Programmable
Voltage - Output (Max) 4.95V 4.95V 1.41V 1.23V
Frequency - Switching 2.4MHz 2.4MHz 2.4MHz 2.4MHz
Output Configuration Positive Positive Positive Positive
Topology Buck Buck Buck Buck
Current - Output 5A 5A 3A 5A

FAN53540UCX Datasheet PDF

Download FAN53540UCX pdf datasheets and onsemi documentation for FAN53540UCX - onsemi.

Datasheets
FAN53540.pdf
Environmental Information
onsemi RoHS.pdf Material Declaration FAN53540UCX.pdf
PCN Design/Specification
Cylindrical Battery Holders.pdf
PCN Packaging
2.73KHz.pdf
PCN Obsolescence/ EOL
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

  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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FAN53540UCX Image

FAN53540UCX

onsemi
32D-FAN53540UCX

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