onsemi LM317MADTRKG
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.28 | $1.28 |
| 15+ | $1.24 | $18.60 |
| 25+ | $1.22 | $30.50 |
| 50+ | $1.15 | $57.50 |
| 100+ | $1.01 | $101.00 |
| N+ | $0.20 | Price Inquiry |
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| 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 | 0°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 LM317MADTRKG from onsemi is a classic, versatile adjustable linear voltage regulator. It can deliver up to 500mA of output current with an output voltage adjustable from 1.2V to 37V. This regulator is renowned for its simplicity and reliability, requiring only two external resistors to set the output voltage. With a PSRR of up to 80dB at 120Hz, it provides clean, stable power for a wide range of applications. The DPAK package offers a compact, surface-mount solution for moderate power designs.
- Wide Adjustable Output Range: From 1.2V to 37V, this regulator offers maximum design flexibility for various voltage requirements.
- Proven, Reliable Architecture: Based on the industry-standard LM317 design, it is a trusted and well-understood solution for linear regulation.
- Good Ripple Rejection: With up to 80dB PSRR at 120Hz, it effectively filters out mains-related noise, ensuring clean output.
- Simple External Circuitry: Only two resistors are needed to set the output voltage, simplifying design and reducing component count.
Adjustable Bench Power Supplies
With its 1.2V to 37V output range and 500mA current capability, it is an excellent choice for building simple, adjustable bench power supplies for hobbyist and educational projects.
Variable Voltage Reference
Its precise adjustable output makes it ideal for use as a programmable voltage reference in calibration equipment and precision analog circuits.
Battery Charger Circuits
The adjustable output allows for creating constant-voltage chargers for various battery chemistries, such as lead-acid or lithium-ion, with a simple external resistor network.
Audio Preamplifier Supply
With 80dB PSRR at 120Hz, it can provide a clean, low-noise supply rail for audio preamplifiers and equalizers, reducing hum and interference.
General-Purpose Point-of-Load Regulation
Its versatility makes it suitable for on-board regulation in a wide range of products, from consumer electronics to industrial control systems, where a stable adjustable voltage is needed.
Test and Measurement Equipment
The high PSRR and adjustable output make it a reliable choice for powering sensitive measurement circuits that require a stable, noise-free voltage source.
- Q: What is the output voltage range of the LM317MADTRKG?
- A: This adjustable regulator can provide an output voltage from 1.2V up to 37V, set by an external resistor divider.
- Q: What is the maximum output current?
- A: The LM317MADTRKG can deliver a maximum output current of 500mA.
- Q: What is the input voltage range?
- A: The input voltage can range from 3V to 40V, providing flexibility for various supply rails.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA, which is typical for this classic adjustable regulator family.
- Q: What is the PSRR performance?
- A: It offers a power supply rejection ratio of 80dB to 65dB at 120Hz, depending on the output voltage setting.
- Q: What package is available?
- A: This device is available in the DPAK (TO-252) surface-mount package, suitable for moderate power dissipation.
LM317MADTRKG.pdf
- Q: What is the output voltage range of the LM317MADTRKG?
- A: This adjustable regulator can provide an output voltage from 1.2V up to 37V, set by an external resistor divider.
- Q: What is the maximum output current?
- A: The LM317MADTRKG can deliver a maximum output current of 500mA.
- Q: What is the input voltage range?
- A: The input voltage can range from 3V to 40V, providing flexibility for various supply rails.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA, which is typical for this classic adjustable regulator family.
- Q: What is the PSRR performance?
- A: It offers a power supply rejection ratio of 80dB to 65dB at 120Hz, depending on the output voltage setting.
- Q: What package is available?
- A: This device is available in the DPAK (TO-252) surface-mount package, suitable for moderate power dissipation.
