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LM2941LD/NOPB
LDO Voltage Regulators 1A LDO Adj RegLM2941LD/NOPB
LDO Voltage Regulators 1A LDO Adj Reg
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Manufacturer Part # : LM2941LD/NOPB
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Package/Case: WSON-8
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Brand: Texas Instruments
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Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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Service & Packaging
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LM2941LD/NOPB DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The LM2941 positive voltage regulator boasts an impressive set of features that make it an ideal choice for various applications. With a capability to source 1 A of output current, this regulator can handle demanding loads with ease. Additionally, its low dropout voltage of 0.5 V and maximum of 1 V over the entire temperature range ensure stable performance even in harsh environments. Furthermore, the quiescent current reduction circuit minimizes ground pin current when the input-output differential exceeds approximately 3 V, resulting in a mere 30 mA quiescent current with 1 A of output current and an input-output differential of 5 V
Key Features
- The LM29 has a fixed output voltage
- Low dropout voltage makes it suitable for battery-powered applications
- Thermal shutdown protection feature
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Output options | Adjustable Output | Iout (max) (A) | 1 |
| Vin (max) (V) | 26 | Vin (min) (V) | 6 |
| Vout (max) (V) | 20 | Vout (min) (V) | 5 |
| Noise (µVrms) | 600 | Iq (typ) (mA) | 10 |
| Thermal resistance θJA (°C/W) | 41 | Rating | Catalog |
| Load capacitance (min) (µF) | 22 | Regulated outputs (#) | 1 |
| Features | Enable | Accuracy (%) | 5 |
| PSRR at 100 KHz (dB) | 67 | Dropout voltage (Vdo) (typ) (mV) | 500 |
| Operating temperature range (°C) | -40 to 125 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is LM2941LD/NOPB?
The LM2941LD/NOPB is a low dropout voltage regulator manufactured by Texas Instruments. It is designed to provide a regulated output voltage with minimal voltage dropout, making it ideal for applications that require a stable voltage supply despite variations in input voltage.
How Does LM2941LD/NOPB Work?
The LM2941LD/NOPB regulates the output voltage by comparing the reference voltage to the output voltage and adjusting the current flow through the pass transistor accordingly. It maintains a stable output voltage even when the input voltage approaches the output voltage, hence the term 'low dropout.' The regulator can handle input voltages higher than the output voltage to provide a reliable power supply for various electronic systems.
How Many Pins does LM2941LD/NOPB have and What are the Functions of the Pinout Configuration?
The LM2941LD/NOPB is housed in an 8-lead DDPAK (Dual-In-Line Power Package) package. The pinout configuration includes:
- VIN: Input voltage pin.
- VOUT: Output voltage pin.
- GND: Ground pin.
- ADJ: Adjustable pin for output voltage trimming.
What are the Pros and Cons of LM2941LD/NOPB?
Pros:
- Low Dropout Voltage: Maintains a stable output voltage even with a small voltage difference between input and output.
- High Output Current: Capable of providing relatively high output currents for powering various loads.
- Thermal Protection: Includes thermal shutdown and current limit features for protection against overloading.
- Short Circuit Protection: Protects the regulator in case of a short circuit at the output.
Cons:
- Heat Dissipation: May require additional heat sinking depending on the input-output voltage differential and load current.
- No Enable Pin: Lacks an enable pin for external on/off control, which may be a drawback in some applications.
Are There Any Equivalents/Alternatives to LM2941LD/NOPB for Recommendation?
- The LM2937 from Texas Instruments is a similar low dropout voltage regulator with adjustable output voltage.
- Alternatives to the LM2941LD/NOPB include the LDO regulators like the LM1117 from Texas Instruments and the LM317 from Texas Instruments.
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