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.
LP3891ET-1.2 Real Image
Same model may have multiple batches, images only for reference.

LP3891ET-1.2

Part No LP3891ET-1.2
Manufacturer National Semiconductor (TI)
Catalog PMIC - Voltage Regulators - Linear
Description IC REG LINEAR FIXED LDO REG
Sample
Rohs State Need to verify
ECAD Module
Need Help

Products specifications Report Issue?

Category Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear
Mfr National Semiconductor (TI)
Package Bulk
Product Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 1.2V
Voltage Dropout (Max) 0.4V @ 800mA
Current - Output 800mA
Current - Quiescent (Iq) 30 µA
Current - Supply (Max) 8 mA
PSRR 80dB ~ 65dB (120Hz ~ 1kHz)
Control Features Enable
Protection Features Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
Temperature Range - Operating -40°C ~ 125°C
Mounting Type Through Hole
Package / Case TO-220-5 Formed Leads
Supplier Device Package TO-220-5
Standard Package 219 pcs
MSL Level 1 (Unlimited)
REACH Status REACH Affected
ECCN EAR99
HTSUS 8542.39.0001
Win Source Part Number 620934-LP3891ET-1.2
Ultra Librarian 3D Model Ultra Librarian LP3891ET-1.2 CAD Model

Description

The LP3891ET-1.2 is a linear voltage regulator IC designed for power management applications.

  • Output Voltage: 1.2V
  • Output Current: 800mA
  • Control: Enable control
  • Package: TO-220-5 with formed leads
  • Manufacturer: National Semiconductor (TI)
  • Protection: Over current, over temperature, short circuit, and under voltage lockout
  • Status: Active
  • Standard Package: 219 pcs

You May Also Be Interested in

LTC1060CN#PBF Real Image
LTC1060CN#PBF
Analog Devices Inc.
IC FILTER 30KHZ UNIV SWTCH 20DIP / Universal Switched Capacitor Filter IC Universal Switched Capacitor 4th Order 30kHz 20-PDIP
Lowest to $14.4729
ADP7185ACPZN1.2-R7 Real Image
ADP7185ACPZN1.2-R7
Analog Devices Inc.
IC REG LINEAR -1.2V 500MA 8LFCSP / Linear Voltage Regulator IC Negative Fixed 1 Output 500mA 8-LFCSP (2x2)
Lowest to $9.6861
NCV8135AMTW120TBG Real Image
NCV8135AMTW120TBG
ON Semiconductor
IC REG LINEAR 1.2V 500MA 6WDFN / Linear Voltage Regulator IC Positive Fixed 1 Output 500mA 6-WDFN (2x2)
Need more? Email Us
NCV8161AMX280TBG Real Image
NCV8161AMX280TBG
ON Semiconductor
IC REG LINEAR 2.8V 450MA 4XDFN / Linear Voltage Regulator IC Positive Fixed 1 Output 450mA 4-XDFN (1x1)
Need more? Email Us
LP5900XR-1.8/NOPB Texas Instruments
LP5900XR-1.8/NOPB
Texas Instruments
IC REG LIN FIXED POS STNDRD REG / Linear Voltage Regulator IC Positive Fixed 1 Output 150mA 4-DSBGA
Need more? Email Us
Picture of NCV6922MNWATXG
NCV6922MNWATXG
ON Semiconductor
IC REG LINEAR BUCK QFN / Linear Voltage Regulator IC Output
Need more? Email Us
NCV8130BMX150TCG Real Image
NCV8130BMX150TCG
ON Semiconductor
IC REG LINEAR 1.5V 300MA 6XDFN / Linear Voltage Regulator IC Positive Fixed 1 Output 300mA 6-XDFN (1.2x1.2)
Need more? Email Us
NCV8135BMTW040TBG Real Image
NCV8135BMTW040TBG
ON Semiconductor
IC REG LINEAR 0.4V 500MA 6WDFN / Linear Voltage Regulator IC Positive Fixed 1 Output 500mA 6-WDFN (2x2)
Need more? Email Us
TC1306R-BDVUATR Real Image
TC1306R-BDVUATR
Microchip Technology
IC REG LIN POS PROG 150MA 8MSOP / Linear Voltage Regulator IC Positive Programmable 2 Output 150mA, 150mA 8-MSOP
Need more? Email Us

Top Sellers

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
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 $0.1782
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.3053
SSD1963QL9 real image6483
SSD1963QL9
Solomon
LCD Display Controller 128-Pin LQFP Tray
Lowest to $7.4300
BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $3.9204
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
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $2.2891
BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.7841
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.6828
LM5069MM-2/NOPB real image1604
LM5069MM-2/NOPB
Texas Instruments
IC CTRLR HOT SWAP 48V 10-MSOP
Lowest to $4.1579
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $5.9399
PI3740-00-LGIZ real image
PI3740-00-LGIZ
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $41.3948
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.4542
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
ICM-42688-P Real Image2
ICM-42688-P
TDK InvenSense
MOTION SENSOR / Accelerometer, Gyroscope, 6 Axis Sensor Output
Lowest to $17.8196
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