Texas Instruments LM337IMP/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.00 | $2.00 |
| 15+ | $1.94 | $29.10 |
| 25+ | $1.90 | $47.50 |
| 50+ | $1.79 | $89.50 |
| 100+ | $1.58 | $158.00 |
| N+ | $0.32 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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) | - |
| Current - Supply (Max) | - |
| PSRR | 60dB (120Hz) |
| Control Features | - |
| Protection Features | Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223-4 |
| ROHS |
The LM337IMP/NOPB from Texas Instruments is a negative adjustable linear regulator with an output range from -1.2V to -37V and a 1.5A current rating. It is designed for applications requiring a negative supply, such as audio, instrumentation, and telecom. The SOT-223-4 package offers a compact solution for moderate power applications.
- High Output Current: 1.5A supports higher-power negative supply applications.
- Wide Adjustable Range: -1.2V to -37V provides flexibility for various negative voltage requirements.
- Good PSRR: 60dB at 120Hz filters mains-frequency ripple for clean analog supplies.
- Proven Technology: The LM337 family is a well-established, reliable design.
Negative Audio Power Supplies
The 1.5A output and 60dB PSRR at 120Hz make it ideal for powering negative rails in audio amplifiers and preamps.
Operational Amplifier Dual Supplies
Pair with a positive LDO to create a clean dual-rail supply for precision op-amps in instrumentation.
Industrial Test Equipment
Provides a stable negative reference for DACs, ADCs, and analog multiplexers in test and measurement systems.
Telecom Line Drivers
Supplies negative voltage for line drivers and transceivers in telecom and networking equipment.
Bipolar Power Supplies
Used in benchtop power supplies to generate a variable negative output for general-purpose lab use.
Sensor Biasing
Provides negative bias voltage for photodiodes, APDs, and other sensors requiring reverse bias.
- Q: What is the output voltage range of the LM337IMP/NOPB?
- A: This is a negative adjustable LDO with an output range from -1.2V to -37V, set by external resistors.
- Q: What is the maximum output current?
- A: The maximum output current is 1.5A, making it suitable for higher-power negative supplies.
- Q: What is the input voltage range?
- A: The input voltage range is from -4.2V to -40V, allowing regulation from various negative rails.
- Q: What is the dropout voltage?
- A: The dropout voltage is not specified in the provided data, but typically it is around 2V at 1.5A for this family.
- Q: What is the quiescent current?
- A: The quiescent current is not specified in the provided data, but typically it is around 1.5mA for this family.
- Q: What package is available?
- A: It is offered in a SOT-223-4 package, suitable for moderate power dissipation.
- Q: What is the output voltage range of the LM337IMP/NOPB?
- A: This is a negative adjustable LDO with an output range from -1.2V to -37V, set by external resistors.
- Q: What is the maximum output current?
- A: The maximum output current is 1.5A, making it suitable for higher-power negative supplies.
- Q: What is the input voltage range?
- A: The input voltage range is from -4.2V to -40V, allowing regulation from various negative rails.
- Q: What is the dropout voltage?
- A: The dropout voltage is not specified in the provided data, but typically it is around 2V at 1.5A for this family.
- Q: What is the quiescent current?
- A: The quiescent current is not specified in the provided data, but typically it is around 1.5mA for this family.
- Q: What package is available?
- A: It is offered in a SOT-223-4 package, suitable for moderate power dissipation.

LM337IMP/NOPB.pdf