onsemi LM317MBDTRKG
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.05 | $1.05 |
| 15+ | $1.01 | $15.15 |
| 25+ | $0.99 | $24.75 |
| 50+ | $0.94 | $47.00 |
| 100+ | $0.83 | $83.00 |
| N+ | $0.17 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | 37V |
| Voltage Dropout (Max) | - |
| Current - Output | 500mA |
| Current - Quiescent (Iq) | 10 mA |
| Current - Supply (Max) | - |
| PSRR | 80dB ~ 65dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-252-3, DPAK (2 Leads + Tab), SC-63 |
| Supplier Device Package | DPAK |
| ROHS |
The LM317MBDTRKG from onsemi is a classic adjustable positive voltage regulator capable of delivering 500mA over an output range of 1.2V to 37V. With a quiescent current of 10mA and PSRR of 80dB at 120Hz, it provides stable, low-noise performance for a wide variety of applications. The DPAK package ensures efficient heat dissipation for industrial and consumer designs.
- Adjustable Output: 1.2V to 37V range provides design flexibility for multiple voltage rails with a single part.
- 500mA Output Current: Suitable for powering a wide range of loads from sensors to small motors.
- High PSRR: 80dB at 120Hz effectively attenuates ripple from rectified AC supplies.
- Robust DPAK Package: Offers good thermal performance for reliable operation in demanding environments.
Adjustable Power Supplies
The 1.2V to 37V adjustable output makes it a versatile building block for benchtop power supplies and custom voltage regulators in prototyping.
Battery Chargers
With 500mA capability and adjustable output, it can be configured as a simple constant-voltage charger for lead-acid or lithium batteries.
Audio Amplifier Biasing
Its 80dB PSRR at 120Hz helps reduce mains hum in audio preamplifier and equalizer circuits requiring a regulated supply.
Industrial Control Systems
The DPAK package and 500mA output suit industrial sensors and logic circuits needing a stable, adjustable rail from a higher unregulated source.
Test and Measurement Equipment
Precise adjustable output and low noise make it suitable for powering reference circuits and measurement front-ends.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 1.2V up to 37V.
- Q: What is the maximum output current?
- A: It can provide up to 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the quiescent current?
- A: The quiescent current is 10mA.
- Q: What is the package type?
- A: It is available in a DPAK package.
- Q: What is the PSRR?
- A: PSRR is 80dB to 65dB at 120Hz.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 1.2V up to 37V.
- Q: What is the maximum output current?
- A: It can provide up to 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the quiescent current?
- A: The quiescent current is 10mA.
- Q: What is the package type?
- A: It is available in a DPAK package.
- Q: What is the PSRR?
- A: PSRR is 80dB to 65dB at 120Hz.

LM317MBDTRKG.pdf