Texas Instruments LM317LCPWR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.70 | $0.70 |
| 15+ | $0.68 | $10.20 |
| 25+ | $0.67 | $16.75 |
| 50+ | $0.63 | $31.50 |
| 100+ | $0.56 | $56.00 |
| N+ | $0.11 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | |
| Output Configuration | Active |
| Output Type | Positive |
| Number of Regulators | Adjustable |
| Voltage - Input (Max) | 38V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | 32V |
| Voltage Dropout (Max) | - |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 2.5 mA |
| Current - Supply (Max) | - |
| PSRR | 80dB ~ 65dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 8-TSSOP |
| ROHS |  |
The LM317LCPWR from Texas Instruments is a classic adjustable linear regulator capable of delivering 100mA with an output range of 1.2V to 32V. It features a typical quiescent current of 2.5mA and excellent PSRR of 80dB at 120Hz, making it suitable for audio and industrial applications. The 8-TSSOP package offers a compact solution for through-hole or SMD designs.
- Wide Adjustable Range: Output from 1.2V to 32V covers many logic, analog, and industrial voltage levels.
- Excellent Low-Frequency Ripple Rejection: 80dB PSRR at 120Hz eliminates mains hum in audio and precision circuits.
- Proven Reliability: The LM317 family has decades of field-proven performance in countless applications.
- Compact SMD Package: 8-TSSOP enables automated assembly and space-saving PCB layouts.
Variable Bench Power Supplies
The LM317LCPWR's adjustable output from 1.2V to 32V makes it ideal for hobbyist and lab power supplies requiring a simple, reliable voltage source.
Battery Chargers
With external resistors, it can be configured as a constant-voltage charger for lead-acid or Li-ion batteries up to 100mA.
Audio Preamplifier Supplies
Its 80dB PSRR at 120Hz effectively filters mains hum, providing clean DC for audio op-amps and preamp circuits.
Industrial Control Circuits
For 24V industrial sensors and PLC I/O, the LM317LCPWR steps down to logic levels with good line regulation.
HVIC Gate Drivers
Provides a regulated 12V or 15V rail for IGBT/MOSFET gate drivers in motor control and power inverters.
Test and Measurement Equipment
Its adjustable nature and 100mA output suit calibration sources, signal generators, and reference voltage circuits.
- Q: What is the output voltage range of the LM317LCPWR?
- A: The output voltage is adjustable from 1.2V to 32V.
- Q: What is the maximum output current?
- A: The maximum output current is 100mA.
- Q: What is the input voltage range?
- A: The input voltage can range from 1.2V to 32V (typical).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 2.5V at maximum load (not specified in the provided data, typical for LM317 family).
- Q: What is the quiescent current?
- A: The quiescent current is typically 2.5mA.
- Q: What package is available?
- A: It comes in an 8-TSSOP package.
LM317LCPWR.pdf
- Q: What is the output voltage range of the LM317LCPWR?
- A: The output voltage is adjustable from 1.2V to 32V.
- Q: What is the maximum output current?
- A: The maximum output current is 100mA.
- Q: What is the input voltage range?
- A: The input voltage can range from 1.2V to 32V (typical).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 2.5V at maximum load (not specified in the provided data, typical for LM317 family).
- Q: What is the quiescent current?
- A: The quiescent current is typically 2.5mA.
- Q: What package is available?
- A: It comes in an 8-TSSOP package.
