Coupons
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
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

CONNECT WITH US

© 2026 JLCPCB.COM All Rights Reserved.Privacy PolicyTerms & ConditionsCookies PolicyDo Not Sell or Share My Personal Information
  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Power Modules
  5. DC-DC Power Modules
  6. TPSM861257RDXR
TPSM861257RDXR - 1
TPSM861257RDXR - 2
TPSM861257RDXR - 3
Extended1/3
* Images are for reference only
TPSM861257RDXR
Attributes
Value
Manufacturer
Texas Instruments
MFR.Part #
TPSM861257RDXR
JLCPCB Part #
C36309840
Package
QFN-FCMOD-7(3.3x4)
Description
-40℃~+125℃ 1.4MHz 1A 20mVp-p 2mm 3.3mm 370uA 3V~17V 4mm 600mV~5.5V 95% Buck Over Temperature Protection、Over Current Protection、Over Voltage Protection、Under Voltage Protection ±1.5% QFN-FCMOD-7(3.3x4) DC-DC Power Modules ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard

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

AttributesValue
CategoryPower Modules/DC-DC Power Modules
ManufacturerTexas Instruments
PackageQFN-FCMOD-7(3.3x4)
Output Current(Max)1A
Output Voltage Accuracy±1.5%
Operating Temperature Range-40℃~+125℃
Conversion Efficiency95%
FunctionStep-down type
Length4mm
Voltage - Supply3V~17V
Height2mm
Switching Frequency1.4MHz
FeaturesOver-temperature protection、Over Current Protection、Overvoltage protection、Under Voltage Protection、Automatic fault recovery、Programmable output voltage、Light load efficient mode
Width3.3mm
Output Voltage600mV~5.5V
Ripple Noise20mVp-p
Quiescent Supply Current370uA
Results remaining: 0

  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Power Modules
  5. DC-DC Power Modules
  6. TPSM861257RDXR
TPSM861257RDXR

* Images are for reference only

TPSM861257RDXR

Extended
Manufacturer

Texas Instruments

MFR.Part #
TPSM861257RDXR
JLCPCB Part #
C36309840
Package
QFN-FCMOD-7(3.3x4)
Description
-40℃~+125℃ 1.4MHz 1A 20mVp-p 2mm 3.3mm 370uA 3V~17V 4mm 600mV~5.5V 95% Buck Over Temperature Protection、Over Current Protection、Over Voltage Protection、Under Voltage Protection ±1.5% QFN-FCMOD-7(3.3x4) DC-DC Power Modules ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard

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

TPSM861257RDXR

* Images are for reference only

TPSM861257RDXR
Extended
Manufacturer

Texas Instruments

MFR.Part #
TPSM861257RDXR
JLCPCB Part #
C36309840
Package
QFN-FCMOD-7(3.3x4)
Description
-40℃~+125℃ 1.4MHz 1A 20mVp-p 2mm 3.3mm 370uA 3V~17V 4mm 600mV~5.5V 95% Buck Over Temperature Protection、Over Current Protection、Over Voltage Protection、Under Voltage Protection ±1.5% QFN-FCMOD-7(3.3x4) DC-DC Power Modules ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard

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

TPSM861257RDXR Specifications

TPSM861257RDXR technical specifications, attributes, and parameters.

AttributesValue
CategoryPower Modules/DC-DC Power Modules
ManufacturerTexas Instruments
PackageQFN-FCMOD-7(3.3x4)
Output Current(Max)1A
Output Voltage Accuracy±1.5%
Operating Temperature Range-40℃~+125℃
Conversion Efficiency95%
FunctionStep-down type
Length4mm
Voltage - Supply3V~17V
Height2mm
Switching Frequency1.4MHz
FeaturesOver-temperature protection、Over Current Protection、Overvoltage protection、Under Voltage Protection、Automatic fault recovery、Programmable output voltage、Light load efficient mode
Width3.3mm
Output Voltage600mV~5.5V
Ripple Noise20mVp-p
Quiescent Supply Current370uA
Results remaining: 0

PCB Assembly Tips

From components to fully assembled PCBs. JLCPCB supports PCB assembly for the TPSM861257RDXR. 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

TPSM861257RDXR Schematic Symbol & PCB Footprint

The TPSM861257RDXR schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.