Images are for reference only
LM2941LD
+BOMIC REG LINEAR POS ADJ 1A 8WSON
-
ManufacturerNational Semiconductor
-
Mfr. Part #LM2941LD
-
Datasheet LM2941LD DataSheet
-
Package WSON-8
-
In Stock2145
365 Days Quality Guarantee
7*24 hours service quarantee
90-day after-sales guarantee
Genuine Product Guarantee
Specifications
| Attribute | Value |
| Package | Bulk |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 26V |
| Voltage-Output(Min/Fixed) | 5V |
| Voltage-Output(Max) | 20V |
| VoltageDropout(Max) | 1V @ 1A |
| Current-Output | 1A |
| Current-Quiescent(Iq) | 10 mA |
| Current-Supply(Max) | 15 mA |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Temperature, Reverse Polarity, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 8-WDFN Exposed Pad |
Overview
Description
The LM2941LD is a low-dropout (LDO) linear voltage regulator designed for applications requiring a constant output voltage with low input-to-output voltage differential. It features an adjustable output voltage with a range typically from 5V to 20V, depending on the specific application and external components used. The device is known for its high efficiency and low quiescent current, which make it suitable for battery-powered devices. It offers protections such as current limiting and thermal shutdown to safeguard against over-current and overheating conditions. The LM2941LD is often used in automotive, industrial, and consumer electronics where stable voltage supply is crucial.
Key specifications include a maximum output current of 1A and a dropout voltage typically around 0.5V at full load, which allows it to maintain regulation with minimal power loss. Its compact design and reliable performance make it a popular choice for designs requiring efficient power management. The device is available in various package types, providing flexibility for different layouts and thermal management requirements.
Key specifications include a maximum output current of 1A and a dropout voltage typically around 0.5V at full load, which allows it to maintain regulation with minimal power loss. Its compact design and reliable performance make it a popular choice for designs requiring efficient power management. The device is available in various package types, providing flexibility for different layouts and thermal management requirements.
Equivalent
The LM2941LD is a low-dropout voltage regulator. Equivalent products include:
1. LT1086 – A low-dropout, 1.5A positive voltage regulator.
2. LM1117 – A 1.0A low-dropout linear regulator.
3. MIC29302 – A 3A LDO voltage regulator.
4. MC33275 – A low-dropout, positive voltage regulator.
5. TPS7A4700 – An ultra-low-noise, high-PSRR, LDO voltage regulator.
These alternatives offer similar functionality, though specifications like current output and dropout voltage may vary. Always check datasheets for compatibility.
1. LT1086 – A low-dropout, 1.5A positive voltage regulator.
2. LM1117 – A 1.0A low-dropout linear regulator.
3. MIC29302 – A 3A LDO voltage regulator.
4. MC33275 – A low-dropout, positive voltage regulator.
5. TPS7A4700 – An ultra-low-noise, high-PSRR, LDO voltage regulator.
These alternatives offer similar functionality, though specifications like current output and dropout voltage may vary. Always check datasheets for compatibility.
Features
The LM2941LD is a low dropout voltage regulator designed for high current output and efficient performance. Key features include:
1. Adjustable Output: It provides an adjustable output voltage, allowing for flexibility in various applications.
2. Low Dropout Voltage: The low dropout voltage is approximately 0.5V at 1A, making it suitable for applications with limited voltage overhead.
3. High Output Current: Capable of delivering up to 1A of output current.
4. Protection Features: Includes current limiting and thermal shutdown to protect against overload and overheating.
5. Remote Sense: Allows for the regulation of the output voltage at the load, compensating for voltage drops in the wiring.
6. Reverse Battery Protection: Prevents damage if the input polarity is accidentally reversed.
7. Wide Input Voltage Range: Supports a broad input voltage range, enhancing its versatility across different power sources.
8. Compact Package: Available in a small surface-mount package for space-constrained designs.
These features make the LM2941LD suitable for a variety of applications, including automotive, industrial, and consumer electronics.
1. Adjustable Output: It provides an adjustable output voltage, allowing for flexibility in various applications.
2. Low Dropout Voltage: The low dropout voltage is approximately 0.5V at 1A, making it suitable for applications with limited voltage overhead.
3. High Output Current: Capable of delivering up to 1A of output current.
4. Protection Features: Includes current limiting and thermal shutdown to protect against overload and overheating.
5. Remote Sense: Allows for the regulation of the output voltage at the load, compensating for voltage drops in the wiring.
6. Reverse Battery Protection: Prevents damage if the input polarity is accidentally reversed.
7. Wide Input Voltage Range: Supports a broad input voltage range, enhancing its versatility across different power sources.
8. Compact Package: Available in a small surface-mount package for space-constrained designs.
These features make the LM2941LD suitable for a variety of applications, including automotive, industrial, and consumer electronics.
Pinout
The LM2941LD is a low-dropout (LDO) voltage regulator designed for applications requiring a regulated output voltage with a lower drop across the regulator. It comes in the TO-252 surface-mount package, commonly known as DPAK, which typically has 5 pins. The pin count and functionality are as follows:
1. Input (Vin): Connects to the unregulated input voltage supply.
2. Ground (GND): Common ground for input and output.
3. Output (Vout): Provides the regulated output voltage.
4. Adjust (ADJ): Allows for output voltage adjustment by connecting external resistors.
5. Shutdown (SD): An optional feature for enabling or disabling the regulator output.
The LM2941LD is often used in automotive, industrial, and portable applications due to its high current output capability, low dropout voltage, and wide input voltage range. It provides a reliable solution for maintaining stable voltage in varying conditions.
1. Input (Vin): Connects to the unregulated input voltage supply.
2. Ground (GND): Common ground for input and output.
3. Output (Vout): Provides the regulated output voltage.
4. Adjust (ADJ): Allows for output voltage adjustment by connecting external resistors.
5. Shutdown (SD): An optional feature for enabling or disabling the regulator output.
The LM2941LD is often used in automotive, industrial, and portable applications due to its high current output capability, low dropout voltage, and wide input voltage range. It provides a reliable solution for maintaining stable voltage in varying conditions.
Manufacturer
The LM2941LD is manufactured by Texas Instruments, a leading global semiconductor company. Texas Instruments, often abbreviated as TI, is known for designing and producing a broad range of semiconductor products, including integrated circuits, analog chips, and embedded processors. TI serves a wide array of industries, including automotive, industrial, personal electronics, and communications equipment. The company is renowned for its innovation in electronics and its comprehensive portfolio of products that cater to various technological needs.
Application
The LM2941LD is a low-dropout (LDO) voltage regulator commonly used in various applications. Key application areas include:
1. Automotive Electronics: Used for powering microcontrollers and sensors in automotive systems due to its wide input voltage range and reliability.
2. Consumer Electronics: Ideal for portable devices, providing stable power supply to batteries and peripheral components.
3. Industrial Equipment: Ensures stable voltage in harsh conditions, suitable for PLCs and industrial sensors.
4. Communication Systems: Supports power regulation in networking equipment like routers and switches.
5. Instrumentation: Powers precision instrumentation and measurement devices requiring stable voltage.
Its adjustable output and low dropout voltage make it versatile for applications needing efficient power management.
1. Automotive Electronics: Used for powering microcontrollers and sensors in automotive systems due to its wide input voltage range and reliability.
2. Consumer Electronics: Ideal for portable devices, providing stable power supply to batteries and peripheral components.
3. Industrial Equipment: Ensures stable voltage in harsh conditions, suitable for PLCs and industrial sensors.
4. Communication Systems: Supports power regulation in networking equipment like routers and switches.
5. Instrumentation: Powers precision instrumentation and measurement devices requiring stable voltage.
Its adjustable output and low dropout voltage make it versatile for applications needing efficient power management.
Package
The LM2941LD is a low-dropout voltage regulator available in a TO-252 package, also known as DPAK. This package type is surface-mount and is designed for efficient thermal performance in compact applications.
