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.
A4409KLPTR-T Real Image
Same model may have multiple batches, images only for reference.

A4409KLPTR-T

Part No A4409KLPTR-T
Manufacturer Allegro MicroSystems, LLC
Catalog PMIC - Voltage Regulators - Linear + Switching
Description Buck or buck-boost pre-regulator
Datasheet
A4409KLPTR-T Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Integrated Circuits (ICs)
Manufacturer Allegro MicroSystems, LLC
Series Automotive, AEC-Q100
Packaging Reel - TR
Topology Step-Down (Buck) (1) or Step-Down/Step-Up (Buck/Boost) (1), Linear (LDO) (2)
Function Automotive
Number of Outputs 3
Frequency - Switching 400kHz ~ 2.4MHz
Voltage/Current - Output 1 0.8 V ~ 3.3 V, 800mA
Voltage/Current - Output 2 6V/6.6V, 1A
Voltage/Current - Output 3 5V, 150mA
w/LED Driver No
w/Supervisor No
w/Sequencer Yes
Operating Supply Voltage 3 V ~ 36 V
Operating Temperature Range -40°C ~ 135°C
Mounting SMD
Package 20-TSSOP (0.173", 4.40mm Width) Exposed Pad
Manufacturer Package 20-TSSOP-EP
Win Source Part Number 1134690-A4409KLPTR-T
Manufacturer Homepage www.allegromicro.com
Popularity Medium
Supply and Demand Status Limited
Family Name A4409KLPTR-T
Introduction Date November 17, 2015
Country of Origin Thailand
Estimated EOL Date 2024
Ultra Librarian 3D Model Ultra Librarian A4409KLPTR-T CAD Model

Description

The A4409KLPTR-T is a high-efficiency, step-down DC-DC converter IC designed for use in automotive systems.

  • Operating Supply Voltage Range: 3V to 36V
  • Output Current: Up to 800mA
  • Package: 20-TSSOP-EP
  • Operating Temperature Range: -40°C to 135°C
  • Application: Automotive applications such as infotainment, instrument clusters, and lighting.

You May Also Be Interested in

Picture of EPE5R0020
EPE5R0020
Shindengen
DC-DC Converters 10W 48V to 5.0V 2.0A
Need more? Email Us
MP8758GL-P Real Image
MP8758GL-P
Monolithic Power Systems Inc.
IC REG BUCK ADJUSTABLE 10A / Buck Switching Regulator IC Positive Adjustable 0.6V 1 Output 10A 21-PowerVFQFN
Lowest to $1.6087
TLV62568PDRLT Real Image
TLV62568PDRLT
Texas Instruments
IC REG BUCK ADJ 1A SOT563-6 / Buck Switching Regulator IC Positive Adjustable 0.6V 1 Output 1A SOT-563, SOT-666
Lowest to $0.1062
LT3697IMSE#TRPBF Real Image
LT3697IMSE#TRPBF
Analog Devices Inc.
IC REG BUCK ADJ 2.5A 16MSOP / Buck Switching Regulator IC Positive Adjustable 5V 1 Output 2.5A 16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Need more? Email Us
LT8302MPS8E#PBF Real Image
LT8302MPS8E#PBF
Analog Devices Inc.
IC REG FLYBACK 3.6A 8SOIC / Flyback Switching Regulator IC Positive or Negative, Isolation Capable 1 Output 3.6A 8-SOIC (0.154", 3.90mm Width) Exposed Pad
Lowest to $11.6418
TPS630701RNMT Real Image
TPS630701RNMT
Texas Instruments
IC REG BCK BST 5V 2A 15VQFN / Buck-Boost Switching Regulator IC Positive Fixed 5V 1 Output 2A 15-PowerVFQFN
Lowest to $1.3716
RT6212CHGJ6F Real Image
RT6212CHGJ6F
Richtek USA Inc.
IC REG BUCK ADJ 2A TSOT23-6 / Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 2A SOT-23-6 Thin, TSOT-23-6
Lowest to $0.3640
NB670AGQ-P Real Image
NB670AGQ-P
Monolithic Power Systems Inc.
IC REG DL BUCK/LINEAR SYNC 16QFN / PMIC - Voltage Regulators - Linear Switching 2 Output Step-Down (Buck) Synchronous (1), Linear (LDO) (1) 500kHz 16-QFN (3x3)
Lowest to $0.6260
LTC3621IDCB-25#TRMPBF Real Image
LTC3621IDCB-25#TRMPBF
Linear Technology
LTC3621 - 17V, 1A Synchronous Step-Down Regulator with 3.5μA Quiescent Current
Lowest to $15.6410

Top Sellers

BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0357
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $1.6632
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 $0.0903
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $5.8211
BM04B-GHS-TBT(LF)(SN)(N) label picture
BM04B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER GH TOP 4POS 1.25MM
Lowest to $0.1616
EC2-5NU real image3736
EC2-5NU
Kemet
RELAY GEN PURPOSE DPDT 2A 5V
Lowest to $0.9677
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 $4.2292
BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $5.8647
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.6828
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 $0.5279
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $19.0076
BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.7128
LM5069MM-2/NOPB real image1604
LM5069MM-2/NOPB
Texas Instruments
IC CTRLR HOT SWAP 48V 10-MSOP
Lowest to $3.3264
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 $13.8313
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.9399

Pricing & Ordering

Quantity Unit Price Ext. Price
17+ $3.5567 $60.4639
40+ $2.9184 $116.7360
62+ $2.8272 $175.2864
85+ $2.7360 $232.5600
110+ $2.6449 $290.9390
147+ $2.3712 $348.5664
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 35,000 pieces
MOQ: 17 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