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. SY8303AAIC
SY8303AAIC - 1
SY8303AAIC - 2
SY8303AAIC - 3
SY8303AAIC - 4
Extended1/4
* Images are for reference only

SY8303AAIC

Attributes
Value
Manufacturer
Silergy Corp
MFR.Part #
SY8303AAIC
JLCPCB Part #
C2937216
Package
TSOT-23-8
Description
-40℃~+105℃@(TA) 1 19uA 3A 4.5V~40V 500kHz~2.5MHz Adjustable Buck Built-in Light load efficient mode、Cycle-by-cycle current limiting Step-down type Yes TSOT-23-8 DC-DC Converters ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard
MSL Level
MSL 1

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
ManufacturerSilergy Corp
PackageTSOT-23-8
Operating Temperature-40℃~+105℃@(TA)
FunctionStep-down type
Synchronous RectifierYes
Frequency - Switching500kHz~2.5MHz
Output TypeAdjustable
Voltage - Supply4.5V~40V
Output Current3A
Quiescent Current19uA
FeaturesLight load efficient mode、Cycle-by-cycle current limiting
Switch tube (built-in/external)Built-in
TopologyBuck
Number of Outputs1
Results remaining: 0

  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Power Management (PMIC)
  5. DC-DC Converters
  6. SY8303AAIC
SY8303AAIC

* Images are for reference only

SY8303AAIC

Extended
Manufacturer

Silergy Corp

MFR.Part #
SY8303AAIC
JLCPCB Part #
C2937216
Package
TSOT-23-8
Description
-40℃~+105℃@(TA) 1 19uA 3A 4.5V~40V 500kHz~2.5MHz Adjustable Buck Built-in Light load efficient mode、Cycle-by-cycle current limiting Step-down type Yes TSOT-23-8 DC-DC Converters ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard
MSL Level
MSL 1

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

SY8303AAIC

* Images are for reference only

SY8303AAIC

Extended
Manufacturer

Silergy Corp

MFR.Part #
SY8303AAIC
JLCPCB Part #
C2937216
Package
TSOT-23-8
Description
-40℃~+105℃@(TA) 1 19uA 3A 4.5V~40V 500kHz~2.5MHz Adjustable Buck Built-in Light load efficient mode、Cycle-by-cycle current limiting Step-down type Yes TSOT-23-8 DC-DC Converters ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard
MSL Level
MSL 1

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

SY8303AAIC Specifications

SY8303AAIC technical specifications, attributes, and parameters.

AttributesValue
CategoryPower Management (PMIC)/DC-DC Converters
ManufacturerSilergy Corp
PackageTSOT-23-8
Operating Temperature-40℃~+105℃@(TA)
FunctionStep-down type
Synchronous RectifierYes
Frequency - Switching500kHz~2.5MHz
Output TypeAdjustable
Voltage - Supply4.5V~40V
Output Current3A
Quiescent Current19uA
FeaturesLight load efficient mode、Cycle-by-cycle current limiting
Switch tube (built-in/external)Built-in
TopologyBuck
Number of Outputs1
Results remaining: 0

PCB Assembly Tips

From components to fully assembled PCBs. JLCPCB supports PCB assembly for the SY8303AAIC. 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

SY8303AAIC Documents

SY8303AAIC datasheets or manufacturer documentation.

Datasheet: SY8303AAIC Datasheet (PDF)

SY8303AAIC Schematic Symbol & PCB Footprint

The SY8303AAIC schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.