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 Management (PMIC)
  5. DC-DC Converters
  6. A5973D
A5973D
Extended
* Images are for reference only
A5973D
Attributes
Value
Manufacturer
STMicroelectronics
MFR.Part #
A5973D
JLCPCB Part #
C1355697
Package
SO-8-EP
Description
-40℃~+150℃@(TJ) 1 1.235V~35V 250kHz 2A 4V~36V Adjustable Buck Buck Built-in No SO-8-EP DC-DC Converters ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
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
ManufacturerSTMicroelectronics
PackageSO-8-EP
Operating Temperature-40℃~+150℃@(TJ)
FunctionStep-down type
Synchronous RectifierNo
Frequency - Switching250kHz
Output TypeAdjustable
Voltage - Supply4V~36V
Output Current2A
Quiescent Current3mA
FeaturesOvercurrent Protection、Cycle-by-cycle current limiting、Frequency synchronization、External compensation
Switch tube (built-in/external)Built-in
TopologyBuck
Output Voltage1.235V~35V
Number of Outputs1
Results remaining: 0

  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Power Management (PMIC)
  5. DC-DC Converters
  6. A5973D
A5973D

* Images are for reference only

A5973D

Extended
Manufacturer

STMicroelectronics

MFR.Part #
A5973D
JLCPCB Part #
C1355697
Package
SO-8-EP
Description
-40℃~+150℃@(TJ) 1 1.235V~35V 250kHz 2A 4V~36V Adjustable Buck Buck Built-in No SO-8-EP DC-DC Converters ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
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.

A5973D

* Images are for reference only

A5973D
Extended
Manufacturer

STMicroelectronics

MFR.Part #
A5973D
JLCPCB Part #
C1355697
Package
SO-8-EP
Description
-40℃~+150℃@(TJ) 1 1.235V~35V 250kHz 2A 4V~36V Adjustable Buck Buck Built-in No SO-8-EP DC-DC Converters ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
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.

A5973D Specifications

A5973D technical specifications, attributes, and parameters.

AttributesValue
CategoryPower Management (PMIC)/DC-DC Converters
ManufacturerSTMicroelectronics
PackageSO-8-EP
Operating Temperature-40℃~+150℃@(TJ)
FunctionStep-down type
Synchronous RectifierNo
Frequency - Switching250kHz
Output TypeAdjustable
Voltage - Supply4V~36V
Output Current2A
Quiescent Current3mA
FeaturesOvercurrent Protection、Cycle-by-cycle current limiting、Frequency synchronization、External compensation
Switch tube (built-in/external)Built-in
TopologyBuck
Output Voltage1.235V~35V
Number of Outputs1
Results remaining: 0

PCB Assembly Tips

From components to fully assembled PCBs. JLCPCB supports PCB assembly for the A5973D. 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

A5973D Documents

A5973D datasheets or manufacturer documentation.

Datasheet: A5973D Datasheet (PDF)

A5973D Schematic Symbol & PCB Footprint

The A5973D schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.