EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
S-8521B31MC SII Semiconductor Corporation
Same model may have multiple batches, images only for reference.

S-8521B31MC

Part No S-8521B31MC
Manufacturer SII Semiconductor Corporation
Catalog PMIC - Voltage Regulators - DC DC Switching Controllers
Description IC REG CTRLR BUCK SOT23-5
Datasheet
S-8521B31MC Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Integrated Circuits
Manufacturer SII Semiconductor Corporation
Packaging Reel - TR
Status Active
Output Type Transistor Driver
Purpose Step-Down
Topology Buck
Number of Outputs 1
Output Phases 1
Supply Voltage - Operating 2.5 V to 16 V
Frequency - Switching 180kHz
Duty Cycle (Max) 100%
Synchronous Rectifier No
Clock Sync No
Control Features Enable
Temperature Range - Operating -40°C to 85°C (TA)
Case / Package SOT-23-5
Win Source Part Number 063850-S-8521B31MC
Popularity Medium
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian S-8521B31MC CAD Model

Description

The S-8521B31MC is a step-down transistor driver IC manufactured by SII Semiconductor Corporation.

  • Application: High-efficiency DC/DC conversion solution
  • Applications: Consumer electronics, industrial equipment, and automotive systems
  • Suitability: Low voltage, high current output
  • Popularity: Medium
  • Supply and Demand: Balanced

You May Also Be Interested in

Picture of LM5039SQX/NOPB
LM5039SQX/NOPB
Texas Instruments
Lowest to $4.0465
MP3910GK-P Monolithic Power Systems Inc. – Price, Stock & Datasheet
MP3910GK-P
Monolithic Power Systems Inc.
BOOST PWM CONTROLLER WITH PROGRA
Lowest to $0.5896
Picture of LT8392EFE#TRPBF
LT8392EFE#TRPBF
Analog Devices Inc.
60V SYNC 4-SWITCH BUCK-BOOST LED
Lowest to $14.8519
Picture of TPS40211DRCRG4
TPS40211DRCRG4
Texas Instruments
Need more? Email Us
Picture of LT3741EUF-1#TRPBF
LT3741EUF-1#TRPBF
Analog Devices Inc.
IC REG CTRLR BUCK 20QFN
Lowest to $16.7142
Picture of LM5155DSST
LM5155DSST
Texas Instruments
PWR MGMT SWITCHING REGULATOR
Lowest to $1.1880
Picture of IRS279524SPBF
IRS279524SPBF
Infineon Technologies
Need more? Email Us
Picture of LT8210EFE#TRPBF
LT8210EFE#TRPBF
Analog Devices Inc.
100V BUCK/BOOST CTLR WITH PASS-T
Lowest to $28.2355
Picture of HIP6311CBZ
HIP6311CBZ
Intersil
SWITCHING CONTROLLER
Need more? Email Us

Top Sellers

LM5069MM-2/NOPB real image1604
LM5069MM-2/NOPB
Texas Instruments
IC CTRLR HOT SWAP 48V 10-MSOP
Lowest to $4.1579
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.3053
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
FT230XQ-R real image21397
FT230XQ-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16QFN
Lowest to $5.4647
FT234XD-R real image
FT234XD-R
FTDI, Future Technology Devices International Ltd
USB-to-UART 1-CH 512byte FIFO 5V 12-Pin DFN EP T/R / IC USB SERIAL BASIC UART 12DFN
Lowest to $4.5143
AR8033-AL1A real image2016
AR8033-AL1A
Atheros
Ethernet TXRX Single Chip 1-Port 3.3V 10Mbps/100Mbps/1000Mbps 48-Pin QFN EP Tray
Lowest to $2.6071
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.4542
EC2-5NU real image3736
EC2-5NU
Kemet
RELAY GEN PURPOSE DPDT 2A 5V
Lowest to $0.9677
BM06B-GHS-TBT(LF)(SN)(N) Real Image2
BM06B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER SMD 6POS 1.25MM
Lowest to $0.4985
ICM-42688-P Real Image2
ICM-42688-P
TDK InvenSense
MOTION SENSOR / Accelerometer, Gyroscope, 6 Axis Sensor Output
Lowest to $17.8196
FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.3053
EPM3128ATC100-10N real image
EPM3128ATC100-10N
Altera
IC CPLD 128MC 10NS 100TQFP
Lowest to $3.3015
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $11.8797
Availability: Check Availability & Quote
Notify Me When Available

Shipping Information

Shipped from HK warehouse
Expected Shipping Date Get an estimate

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess