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LM2941SX/NOPB

TILM2941SX/NOPB

Texas Instruments
Linear Voltage Regulator IC Positive Adjustable 1 Output 1A TO-263 (DDPAK-5)
NRND296 in stock
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Overview

The LM2941SX/NOPB is a 1A adjustable positive linear voltage regulator designed for robust industrial and automotive applications. It features a low dropout voltage and includes protection against reverse battery conditions and short circuits. This regulator provides a stable output voltage from 5V to 20V from an input voltage up to 26V.

Why Choose This Part

This regulator offers robust protection features including reverse battery, internal short-circuit current limit, and mirror image insertion protection, enhancing system reliability. Its adjustable output voltage from 5V to 20V provides flexibility for various design requirements. The low dropout voltage ensures efficient operation, especially with input-output differentials as low as 1V at 1A.

Applications

Automotive Power Supplies
Providing stable regulated power for various automotive electronic modules due to its wide input voltage range and reverse battery protection.
Industrial Control Systems
Used in industrial equipment requiring a reliable 1A power source with protection features to withstand harsh environments.
Battery-Powered Equipment
Suitable for portable devices that may experience reverse battery insertion, ensuring component safety.
Adjustable Bench Power Supplies
Can be integrated into simple lab power supplies where an adjustable 5V to 20V output at 1A is needed.
Microcontroller Power Rails
Regulating voltage for microcontrollers and other digital ICs in systems where a positive adjustable supply is required.

Key Specifications

Output Type Adjustable
Mounting Type Surface Mount
Package / Case TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Control Features Enable
Current - Output 1A
Protection Features Over Temperature, Reverse Polarity, Short Circuit
Number of Regulators 1
Output Configuration Positive
Operating Temperature -40degC ~ 125degC
Voltage - Input (Max) 26V
Voltage Dropout (Max) 1V @ 1A
Current - Supply (Max) 15 mA
Voltage - Output (Max) 20V
Supplier Device Package TO-263 (DDPAK-5)
Current - Quiescent (Iq) 10 mA
Voltage - Output (Min/Fixed) 5V

Getting Started

To get started with the LM2941SX/NOPB, designers should refer to the datasheet for recommended external component values, including input and output capacitors for stability. Layout considerations, such as placing capacitors close to the device, are crucial for optimal performance. Standard PCB design tools can be used for schematic capture and layout.

LM2941 Family

Part NumberDifferenceStock
LM2941S/NOPB /NOPB 8,100

Also Consider

LM2596S-ADJ/NOPB TITexas Instruments - For applications requiring higher efficiency and step-down conversion, this buck converter provides an adjustable output with greater current capability.
LM317AT/NOPB TITexas Instruments - A widely used adjustable linear regulator, suitable for designs where a lower quiescent current is critical and the dropout voltage is acceptable.

Categories

Power Management > LDO Voltage Regulators Microcontrollers > Texas Instruments