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LM317 Adjustable Regulator
LM317
Texas Instrumentspower regulator
The LM317 is a versatile adjustable positive voltage regulator that can supply over 1.5A. It requires only two external resistors to set the output voltage, which can range from 1.25V to 37V. The device includes built-in current limiting and thermal overload protection.
In stock
Specifications
12- Output Voltage Range
- 1.25 V
- Output Voltage Range
- 37 V
- Output Current
- 1.5 A
- Line Regulation
- 0.01 %/V
- Load Regulation
- 0.1 %
- Operating Temperature Range
- 0 °C
- Operating Temperature Range
- 125 °C
- Input Output Differential Voltage
- 3 V
- Input Output Differential Voltage
- 40 V
- Minimum Load Current
- 3.5 mA
- Current Limit
- 1.5 A
- Ripple Rejection Ratio
- 80 dB
Pinout
4| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | ADJUST | GPIO | Output voltage adjustment pin. Connect to a resistor divider to set VOUT. |
| 2, TAB | OUTPUT | GPIO | Output voltage pin for the regulator. |
| 3 | INPUT | GPIO | Input voltage pin for the regulator. |
| 4 | OUTPUT | GPIO | Output voltage pin for the regulator. |
Interactive pinout
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LM317
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