onsemi LM337TG
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.51 | $1.51 |
| 15+ | $1.46 | $21.90 |
| 25+ | $1.43 | $35.75 |
| 50+ | $1.35 | $67.50 |
| 100+ | $1.19 | $119.00 |
| N+ | $0.24 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | |
| Packaging | Tube | |
| Output Configuration | Negative |
| 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 | 1.5A |
| Current - Quiescent (Iq) | 6 mA |
| Current - Supply (Max) | 10 mA |
| PSRR | 77dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | 0°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-220-3 |
| Supplier Device Package | TO-220 |
| ROHS |  |
The LM337TG from onsemi is a versatile adjustable negative linear regulator capable of delivering up to 1.5A. It can be configured to output any voltage from -1.2V to -37V, making it a staple for dual-supply designs. With excellent ripple rejection of 77dB at 120Hz, it ensures a clean negative rail. The TO-220 package provides robust thermal performance.
- Adjustable Output: Output voltage can be set from -1.2V to -37V with two external resistors.
- High Current: 1.5A output capability supports a wide range of loads.
- Excellent PSRR: 77dB at 120Hz ensures a quiet negative rail for audio applications.
- Versatile Package: TO-220 package allows for easy heatsinking.
Negative Rail for Op-Amp Circuits
The LM337TG provides a clean negative supply rail, essential for dual-supply operational amplifier circuits in audio and instrumentation.
Adjustable Negative Power Supply
As an adjustable regulator, it can be set to any negative voltage between -1.2V and -37V, making it versatile for lab power supplies.
Audio Preamplifier Biasing
With 77dB PSRR at 120Hz, it effectively rejects hum, providing a quiet negative rail for high-fidelity audio preamps.
Industrial Process Control
For sensors and transmitters that require a negative supply, the LM337TG offers a robust and reliable solution.
Bipolar Power Supplies
Paired with a positive regulator like the LM317, it can create a complete bipolar power supply for analog circuits.
- Q: What is the output voltage?
- A: The LM337TG is an adjustable negative regulator with an output range down to -37V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A of output current.
- Q: What is the input voltage range?
- A: The input voltage is negative, starting from -1.2V (reference) down to -37V.
- Q: What is the dropout voltage?
- A: The dropout voltage is not explicitly specified in the provided data, but typically around 2V for this family.
- Q: What is the quiescent current?
- A: The quiescent current is 6 mA.
- Q: What package is available?
- A: It is available in a TO-220 package.
LM337TG.pdf
- Q: What is the output voltage?
- A: The LM337TG is an adjustable negative regulator with an output range down to -37V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A of output current.
- Q: What is the input voltage range?
- A: The input voltage is negative, starting from -1.2V (reference) down to -37V.
- Q: What is the dropout voltage?
- A: The dropout voltage is not explicitly specified in the provided data, but typically around 2V for this family.
- Q: What is the quiescent current?
- A: The quiescent current is 6 mA.
- Q: What package is available?
- A: It is available in a TO-220 package.
