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

No items in the cart

View Cart
MP8666DN-LF Real Image1 MP8666DN-LF Real Image2
Same model may have multiple batches, images only for reference.
MP8666DN-LF Real Image1 MP8666DN-LF Real Image2
MP8666DN-LF Real Image1 MP8666DN-LF Real Image2
Same model may have multiple batches, images only for reference.

MP8666DN-LF

Part No MP8666DN-LF
Manufacturer Monolithic Power Systems Inc.
Catalog PMIC - Voltage Regulators - DC DC Switching Controllers
Description IC REG CTRLR BUCK 8SOIC / Buck Regulator Positive Output Step-Down DC-DC Controller IC 8-SOICE
Datasheet
MP8666DN-LF Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Category Integrated Circuits (ICs)>Power Management (PMIC)>DC DC Switching Controllers
Mfr Monolithic Power Systems Inc.
Series -
Package Tube
Output Type Transistor Driver
Function Step-Down
Output Configuration Positive
Topology Buck
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 4.5V ~ 21V
Frequency - Switching 600kHz
Duty Cycle (Max) 90%
Synchronous Rectifier No
Clock Sync Yes
Serial Interfaces -
Control Features Enable
Temperature Range - Operating -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) Exposed Pad
Supplier Device Package 8-SOICE
Base Product Number MP8666
Moisture Sensitivity Level (MSL) 2A (4 Weeks)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001
Standard Package 100 pcs
Win Source Part Number 1382937-MP8666DN-LF
Ultra Librarian 3D Model Ultra Librarian MP8666DN-LF CAD Model

Description

The MP8666DN-LF is a step-down DC-DC switching controller integrated circuit (IC) designed for power management applications.

  • Input Voltage: 4.5V to 21V
  • Topology: Buck
  • Switching Frequency: 600kHz
  • Output Configuration: Single
  • Transistor Driver: Yes
  • Enable Control: Yes
  • Clock Synchronization: Yes
  • Mounting Type: Surface Mount
  • Package: 8-SOIC with Exposed Pad
  • Operating Temperature: -40°C to 85°C
  • Manufacturer: Monolithic Power Systems Inc.

You May Also Be Interested in

Picture of LM5036RJBT
LM5036RJBT
Texas Instruments
HALF-BRIDGE PWM CONTROLLER WITH
Lowest to $4.7872
LTC3862EUH-2#PBF Analog Devices Inc. – Price, Stock & Datasheet
LTC3862EUH-2#PBF
Analog Devices Inc.
IC REG CTRLR BOOST/SEPIC 24QFN
Lowest to $12.2727
Picture of LM5149RGYR
LM5149RGYR
Texas Instruments
80-V SYNCHRONOUS BUCK DC/DC CONT
Lowest to $4.0664
Picture of HIP6311CBZ
HIP6311CBZ
Intersil
SWITCHING CONTROLLER
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 LT8392EFE#TRPBF
LT8392EFE#TRPBF
Analog Devices Inc.
60V SYNC 4-SWITCH BUCK-BOOST LED
Lowest to $14.8519
Picture of LT8210EFE#TRPBF
LT8210EFE#TRPBF
Analog Devices Inc.
100V BUCK/BOOST CTLR WITH PASS-T
Lowest to $28.2355
Picture of LTC1437CG#TRPBF
LTC1437CG#TRPBF
Analog Devices Inc.
IC REG CTRLR BUCK 28SSOP
Need more? Email Us
MP9928GF-Z Monolithic Power Systems Inc. – Price, Stock & Datasheet
MP9928GF-Z
Monolithic Power Systems Inc.
4V-60V INPUT, CURRENT MODE, SYNC
Lowest to $3.1433

Top Sellers

CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
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
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $5.9399
BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.7841
FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.3053
EC2-5NU real image3736
EC2-5NU
Kemet
RELAY GEN PURPOSE DPDT 2A 5V
Lowest to $0.9677
SSD1963QL9 real image6483
SSD1963QL9
Solomon
LCD Display Controller 128-Pin LQFP Tray
Lowest to $7.4300
ULN2803ADW Real Image
ULN2803ADW
Texas Instruments
DARLINGTON TRANSISTOR ARRAY | TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647
BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $3.9204
BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0357
74HC595D,118 label picture
74HC595D,118
Nexperia USA Inc.
Counter Shift Registers 8-bit serial-in, serial or parallel-out shift register with output latches; 3 - state
Lowest to $0.1046
FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $5.9399
TPSM63606RDLR Real Image
TPSM63606RDLR
Texas Instruments
DC DC CONVERTER 1-16V / Non-Isolated PoL Module DC DC Converter 1 Output 1 ~ 16V 6A 3V - 36V Input
Lowest to $13.4125
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

Pricing & Ordering

Quantity Unit Price Ext. Price
35+ $1.8942 $66.2970
75+ $1.5535 $116.5125
120+ $1.5050 $180.6000
160+ $1.4565 $233.0400
210+ $1.4079 $295.6590
275+ $1.2624 $347.1600
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 61,118 pieces
MOQ: 35 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Ordering Guidelines

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

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