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. AC-DC Controllers and Regulators
  6. UC3842Q
UC3842Q
Extended
* Images are for reference only
UC3842Q
Attributes
Value
Manufacturer
Texas Instruments
MFR.Part #
UC3842Q
JLCPCB Part #
C3188603
Package
PLCC-20(9x9)
Description
0℃~+70℃@(TA) 500kHz 97% Boost、Flyback、Buck、Forward、Buck-Boost PLCC-20(9x9) AC-DC Controllers and Regulators
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
Wave Soldering
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 Management (PMIC)/AC-DC Controllers and Regulators
ManufacturerTexas Instruments
PackagePLCC-20(9x9)
Operating Temperature0℃~+70℃
Frequency - Switching52kHz
Duty Cycle(Max)97%
Working ModePWM Modulation
Results remaining: 0

  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Power Management (PMIC)
  5. AC-DC Controllers and Regulators
  6. UC3842Q
UC3842Q

* Images are for reference only

UC3842Q

Extended
Manufacturer

Texas Instruments

MFR.Part #
UC3842Q
JLCPCB Part #
C3188603
Package
PLCC-20(9x9)
Description
0℃~+70℃@(TA) 500kHz 97% Boost、Flyback、Buck、Forward、Buck-Boost PLCC-20(9x9) AC-DC Controllers and Regulators
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
Wave Soldering
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.

UC3842Q

* Images are for reference only

UC3842Q
Extended
Manufacturer

Texas Instruments

MFR.Part #
UC3842Q
JLCPCB Part #
C3188603
Package
PLCC-20(9x9)
Description
0℃~+70℃@(TA) 500kHz 97% Boost、Flyback、Buck、Forward、Buck-Boost PLCC-20(9x9) AC-DC Controllers and Regulators
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
Wave Soldering
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.

UC3842Q Specifications

UC3842Q technical specifications, attributes, and parameters.

AttributesValue
CategoryPower Management (PMIC)/AC-DC Controllers and Regulators
ManufacturerTexas Instruments
PackagePLCC-20(9x9)
Operating Temperature0℃~+70℃
Frequency - Switching52kHz
Duty Cycle(Max)97%
Working ModePWM Modulation
Results remaining: 0

PCB Assembly Tips

From components to fully assembled PCBs. JLCPCB supports PCB assembly for the UC3842Q. 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

UC3842Q Documents

UC3842Q datasheets or manufacturer documentation.

Datasheet: UC3842Q Datasheet (PDF)

UC3842Q Schematic Symbol & PCB Footprint

The UC3842Q schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.