The LM317T is a widely used adjustable linear voltage regulator capable of supplying over 1.5A of output current with an adjustable output voltage range from 1.2V to 37V . It requires only two external resistors to set the output voltage, making it exceptionally easy to use .
| Parameter | Value |
|---|---|
| Output Voltage Range | 1.2V to 37V |
| Maximum Output Current | 1.5A |
| Input Voltage Range | 4.2V to 40V |
| Line Regulation | 0.01%/V typical |
| Operating Temperature | 0°C to 125°C |
| Package | TO220 (3pin through-hole) |
| Pin | Name | Description |
|---|---|---|
| 1 | Adjustment (ADJ) | Connect to resistor divider for output setting |
| 2 | Output (VOUT) | Regulated output voltage pin |
| 3 | Input (VIN) | Unregulated input voltage (4.2V-40V) |
+Internal Protections Current limiting, thermal shutdown, and safearea compensation for blow-out proof operation
+Floating Operation - Can regulate high voltages as long as differential is within limits
+Eliminates Stocking - Replaces many fixed voltage regulators
√ Available from multiple manufacturers (STMicroelectronics, ON Semiconductor, Texas Instruments)
√ Common alternative to fixed regulators for prototyping
