![LM7905 - 5V 1A Negative Regulator [ST Original]](https://www.electroncomponents.com/image/cache/data/IC/EC_Regulator-500x500.jpg "LM7905 - 5V 1A Negative Regulator [ST Original]")
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LM7905 - 5V 1A Negative Regulator [ST Original]
- Product Code: ICR_LM7905
- Availability: In Stock
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₹11.50 (+ GST)
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LM7905 -5V 1A Negative Voltage Regulator IC (ST Original)
The LM7905 is a 3-terminal negative voltage regulator IC. It provides a stable -5V output. The device is capable of supplying up to 1A of current. Operation requires a single external compensation capacitor. Internal current limiting, thermal overload, and safe area protection are integrated. These features contribute to device reliability. The IC is packaged in a TO-220 for heat dissipation. This component is suitable for various electronic applications.
Specifications:
- Output Voltage: -5V
- Output Current: 1A (up to 1.5A peak)
- Input Voltage Range: -7V to -25V (typical)
- Package Type: TO-220
- Regulator Type: Linear Negative Voltage
- Manufacturer: STMicroelectronics (ST Original)
- RoHS Compliant: Yes
- Output Voltage Tolerance: ±4%
Key features and benefits:
- Fixed -5V output voltage
- Delivers up to 1A output current (1.5A peak capability)
- Internal thermal overload protection
- Integrated short-circuit current limiting
- Safe operating area protection
- Requires minimal external components for operation
- Robust TO-220 power package for efficient heat dissipation
- Output voltage tolerance of ±4%
Applications:
- General purpose negative power supplies
- Providing negative voltage rails for operational amplifiers
- Biasing analog circuits and sensors
- Industrial control and automation systems
- DIY electronics projects requiring stable -5V
- Automotive electronics (where applicable)
Frequently Asked Questions:
Q: What is the typical pinout for the LM7905 in a TO-220 package?
A: The standard pinout for the LM7905 TO-220 is typically Input, Ground, Output when viewed from the front with the leads pointing down.
Q: Can the LM7905 operate with an input voltage less negative than -7V?
A: Operation requires an input voltage at least 2V more negative than the output voltage. For a -5V output, the input must be at least -7V for proper regulation.
Q: Is an external heatsink always required for the LM7905?
A: An external heatsink may be required depending on the input-output voltage differential, output current, and ambient temperature to maintain the junction temperature within specified limits.
Package Includes:
1 x LM7905 - 5V 1A Negative Regulator IC (ST Original).*Image shown is a representation only.
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