LM317 Voltage Regulator IC (TO-220 Package) – High Performance Adjustable Linear Controller
₨ 45
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Adjustable Output Voltage: Provides variable output from $1.2\text{ V}$ to $37\text{ V}$ with external resistors
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High Output Current: Delivers up to $1.5\text{ A}$ continuous output current
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Built-in Circuit Protection: Internal thermal overload and short-circuit current limiting
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High Ripple Rejection: Ensures clean and smooth DC supply for sensitive electronics
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Standard TO-220 Package: Easy to mount on heat sinks for high power applications
LM317T original STMicroelectronics linear voltage regulator IC. Designed for power supply circuits, battery chargers, LED drivers, and adjustable power modules, it delivers stable voltage regulation with builtin thermal overload and short-circuit protection.
Specifications
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Part Number: LM317T
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Manufacturer: STMicroelectronics
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Package: TO-220
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Input Voltage Range: $4.2\text{ V}$ to $40\text{ V DC}$
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Output Voltage Range: $1.2\text{ V}$ to $37\text{ V DC}$
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Max Output Current: $1.5\text{ A}$
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Operating Temperature: $0^\circ\text{C}$ to $125^\circ\text{C}$
Pin Configuration
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Pin 1 (Left): Adjust (ADJ)
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Pin 2 (Center): Output (VOUT) / Connected to metal heatsink tab
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Pin 3 (Right): Input (VIN)
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