CouponsAPP Download
Assembly Parts LibFor PCBA Only
0Parts Cart
Products
  • In Stock Parts
  • Bom Tool
  • Request a Quote
  • Support
Chat with our live agent for fast reply.
Mon-Fri: 24 hours, Sat: 9am-6pm, GMT+8
Email Us >
Contact us at support@jlcpcb.com
Typically reply within hours.
Help Center >
Get instant answers.
24/7 Available.
Services & Tools
  • Electronic Parts
  • BOM Tool
  • Request a Quote
  • Manufacturers
  • PCB Assembly
Support
  • Contact Us
  • How to Order
  • User Guides
  • Sourcing Tips
  • Payment Methods
Company
  • About Us
  • Quality Assurance
  • How We Work
  • Certifications
  • Security
  • JLCAPI
  • News
  • Cooperation
  • Careers
Electronics
  • EasyEDA
  • JLCPCB
  • JLCDFM
  • LCSC
  • OSHWLAB
Mechanical
  • JLC3DP
  • JLCCNC
  • JLCMC
Download JLCONE Desktop—Get $524 Exclusive Coupons
WindowsMACAndroidIOS
CONNECT WITH US
Services & Tools
Electronic PartsBOM ToolRequest a QuoteManufacturersPCB Assembly
Support
Contact UsHow to OrderUser GuidesSourcing TipsPayment Methods
Company
About UsQuality AssuranceHow We WorkCertificationsSecurityJLCAPINewsCooperationCareers
Electronics
EasyEDAJLCPCBJLCDFMLCSCOSHWLAB
Mechanical
JLC3DPJLCCNCJLCMC

Download JLCONE Desktop—Get $524 Exclusive Coupons

WindowsMAC
AndroidIOS

CONNECT WITH US

© 2026 JLCPCB.COM All Rights Reserved.Privacy PolicyTerms & ConditionsCookies Policy
  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Power Management (PMIC)
  5. DC-DC Converters
  6. ML4903CT
ML4903CT
Extended
* Images are for reference only

ML4903CT

Attributes
Value
Manufacturer
onsemi
MFR.Part #
ML4903CT
JLCPCB Part #
C3194458
Package
TSSOP-20
Description
0℃~+70℃ 1 1.8V~3.5V 11.4V~12.6V 160kHz~230kHz 20A Adjustable Buck Buck External Yes TSSOP-20 DC-DC Converters
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
Wave Soldering
PCBA Type
Economic and Standard
MSL Level
MSL 3

Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

AttributesValue
CategoryPower Management (PMIC)/DC-DC Converters
Manufactureronsemi
PackageTSSOP-20
Operating Temperature0℃~+70℃
FunctionStep-down type
Synchronous RectifierYes
Frequency - Switching160kHz~230kHz
Voltage - Supply11.4V~12.6V
Output TypeAdjustable
Output Current20A
FeaturesOvercurrent Protection、Load disconnect、Operating status indication、Hiccup current limiting、External compensation
Switch tube (built-in/external)External
TopologyBuck
Output Voltage1.8V~3.5V
Number of Outputs1
Results remaining: 0

  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Power Management (PMIC)
  5. DC-DC Converters
  6. ML4903CT
ML4903CT

* Images are for reference only

ML4903CT

Extended
Manufacturer

onsemi

MFR.Part #
ML4903CT
JLCPCB Part #
C3194458
Package
TSSOP-20
Description
0℃~+70℃ 1 1.8V~3.5V 11.4V~12.6V 160kHz~230kHz 20A Adjustable Buck Buck External Yes TSSOP-20 DC-DC Converters
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
Wave Soldering
PCBA Type
Economic and Standard
MSL Level
MSL 3

Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

ML4903CT

* Images are for reference only

ML4903CT

Extended
Manufacturer

onsemi

MFR.Part #
ML4903CT
JLCPCB Part #
C3194458
Package
TSSOP-20
Description
0℃~+70℃ 1 1.8V~3.5V 11.4V~12.6V 160kHz~230kHz 20A Adjustable Buck Buck External Yes TSSOP-20 DC-DC Converters
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
Wave Soldering
PCBA Type
Economic and Standard
MSL Level
MSL 3

Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

ML4903CT Specifications

ML4903CT technical specifications, attributes, and parameters.

AttributesValue
CategoryPower Management (PMIC)/DC-DC Converters
Manufactureronsemi
PackageTSSOP-20
Operating Temperature0℃~+70℃
FunctionStep-down type
Synchronous RectifierYes
Frequency - Switching160kHz~230kHz
Voltage - Supply11.4V~12.6V
Output TypeAdjustable
Output Current20A
FeaturesOvercurrent Protection、Load disconnect、Operating status indication、Hiccup current limiting、External compensation
Switch tube (built-in/external)External
TopologyBuck
Output Voltage1.8V~3.5V
Number of Outputs1
Results remaining: 0

PCB Assembly Tips

From components to fully assembled PCBs. JLCPCB supports PCB assembly for the ML4903CT. Sign up to receive and start your assembly today →

  • 1

    Step 1 - Pre-order the parts you need from JLCPCB.

  • 2

    Step 2 - Place a PCBA order to have those parts assembled onto your boards.

  • 3

    Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

JLCPCB Assembly Tutorial
Learn more about JLCPCB Assembly

ML4903CT Documents

ML4903CT datasheets or manufacturer documentation.

Datasheet: ML4903CT Datasheet (PDF)

ML4903CT Schematic Symbol & PCB Footprint

The ML4903CT schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.