LM340MP-5.0 - Brand New Texas Instruments Linear Voltage Regulators
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Description
The LM340MP-5.0 is a linear voltage regulator belonging to the LM140/LM340A/LM340/LM7800C family of monolithic 3-terminal positive voltage regulators. These regulators feature internal current-limiting, thermal shutdown, and safe-area compensation, making them very durable and essentially indestructible. With adequate heat sinking, they can provide an output current of over 1.0A. They are widely used as fixed voltage regulators in various applications, including local on-card regulation to eliminate noise and distribution problems associated with single-point regulation. They can also be used with external components to achieve adjustable output voltages and currents.
Specifications and features
- Complete specifications at 1A load
- Output voltage tolerances of ±2% at Tj = 25˚C and ±4% over the temperature range (LM340A)
- Line regulation of 0.01% of VOUT/V of ∆VIN at 1A load (LM340A)
- Load regulation of 0.3% of VOUT/A (LM340A)
- Internal thermal overload protection
- Internal short-circuit current limit
- Output transistor safe area protection
- P+ Product Enhancement tested
Application Scenarios
The LM340MP-5.0 is commonly used in various applications that require a fixed voltage regulator. Its ability to provide over 1.0A output current with adequate heat sinking makes it ideal for use in electronic devices that draw high current, such as audio amplifiers, power supplies, and battery chargers. It can also be used in local on-card regulation to eliminate noise and distribution problems associated with single-point regulation. Additionally, the LM340MP-5.0 can be used with external components to achieve adjustable output voltages and currents.
Comparison
Advantages- The LM340MP-5.0 is very durable and essentially indestructible due to its internal current-limiting, thermal shutdown, and safe-area compensation features.
- It can provide over 1.0A output current with adequate heat sinking.
- It has internal thermal overload protection and short-circuit current limit.
- It can be used with external components to achieve adjustable output voltages and currents.
Disadvantages- The LM340MP-5.0 has an output voltage tolerance of only ±2% at Tj = 25˚C and ±4% over the temperature range.
- The line regulation of 0.01% of VOUT/V of ∆VIN at 1A load (LM340A) and load regulation of 0.3% of VOUT/A (LM340A) may not be suitable for applications that require higher precision voltage regulation.
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Datasheet
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- Datasheet: Download LM340MP-5.0
- Chipdatas Part: CD90-LM340MP-5.0
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- Last Updated: 2024/06/13 17:43 +0800
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