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78M05 Positive Linear Voltage Regulator TO-252
₹7.50
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78M05 Positive Linear Voltage Regulator TO-252 is a fixed 5V linear regulator ideal for low-power applications requiring a clean and stable voltage source. Designed in a TO-252 surface-mount package, it is widely used in embedded systems, development boards, power supplies, and consumer electronics.
Key Features:
- Fixed 5V Output: Provides a regulated 5V DC output from a higher input voltage source.
- Medium Current Output: Supports up to 500mA continuous output current.
- Internal Thermal Shutdown: Protects device from overheating under load.
- Short-Circuit Protection: Built-in safety for output fault conditions.
- Low Dropout Voltage: Requires minimal difference between input and output voltage.
Technical Specifications:
- Output Voltage: 5V ±4%
- Input Voltage Range: 7V to 25V DC
- Output Current: Up to 500mA
- Quiescent Current: Typically 5mA
- Dropout Voltage: ~2V at 500mA load
- Protection: Thermal shutdown, current limit
Mechanical Specifications:
- Package Type: TO-252 (DPAK)
- Mounting: Surface Mount (SMT)
- Cooling: Pad underneath for heatsinking
Dimensions:
- Package Width: ~6.5mm
- Package Height: ~10.2mm including tab
- Pin Pitch: ~2.3mm (typical)
Pinout and Wiring:
- Pin 1 (IN): Input Voltage (7V to 25V DC)
- Pin 2 (GND): Ground
- Pin 3 (OUT): Regulated 5V Output
- Tab: Internally connected to GND for heatsinking
Datasheet Reference:
- Search online for “78M05 TO-252 datasheet by Fairchild, ON Semiconductor, or equivalent”
Applications:
- Embedded Systems: Power 5V logic devices from 12V or 9V input sources
- Microcontroller Projects: Stable 5V rail for Arduino, ESP32, STM32, etc.
- Industrial Control: Local voltage regulation for sensors or modules
- Consumer Electronics: TV, set-top box, or audio device voltage regulation
Equivalent Models:
- LM7805 (TO-220): Higher current version in through-hole package
- AMS1117-5.0: Low dropout 5V regulator in SOT-223 package
- L7805CV: General purpose 5V linear regulator in TO-220 form
- KA7805: Compatible fixed 5V regulator from Fairchild or Samsung
Package Includes:
- 1 x 78M05 TO-252 Positive Voltage Regulator
Additional information
| Weight | 1 g |
|---|---|
| PACKAGE | SOT-252 |
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