Texas Instruments LM137H/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $21.95 | $21.95 |
| 15+ | $21.26 | $318.90 |
| 25+ | $20.80 | $520.00 |
| 50+ | $19.64 | $982.00 |
| 100+ | $17.33 | $1,733.00 |
| N+ | $3.47 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Bulk | |
| 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 | 66dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -55°C ~ 150°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-205AD, TO-39-3 Metal Can |
| Supplier Device Package | TO-3 |
| ROHS |  |
The LM137H/NOPB from Texas Instruments is a robust, adjustable negative linear regulator capable of delivering 1.5A. Its output can be set from -1.2V to -37V, offering great flexibility. Housed in a thermally efficient TO-3 package, it provides excellent power handling and reliability. With 66dB PSRR at 120Hz, it ensures a clean output for sensitive analog applications.
- High Output Current: Delivers up to 1.5A, suitable for powering demanding loads that require a stable negative rail.
- Wide Adjustable Range: Output is adjustable from -1.2V to -37V, providing maximum design flexibility.
- Robust TO-3 Package: The metal can package offers superior thermal dissipation and durability for high-reliability applications.
- Good Ripple Rejection: 66dB PSRR at 120Hz ensures a clean output, minimizing noise in sensitive circuits.
High-Current Negative Supplies
The LM137H/NOPB's 1.5A output capability makes it suitable for powering high-current negative rails in audio amplifiers and industrial equipment.
Adjustable Bench Power Supplies
Its wide adjustable range down to -37V makes it an excellent choice for building variable negative bench power supplies for lab use.
Precision Analog Circuits
With 66dB PSRR at 120Hz, it provides a clean, stable negative rail for precision op-amps, ADCs, and other sensitive analog components.
Avionics and Military Systems
The robust TO-3 package and wide operating range make it suitable for demanding aerospace and defense applications requiring high reliability.
Audio Amplifier Power Stages
Provides a high-current negative supply for the negative rail of audio power amplifiers, ensuring symmetrical power delivery for high-fidelity output.
Industrial Process Control
Used in process control systems to power transmitters, valves, and other actuators that require a stable negative control voltage.
- Q: What is the output voltage range of the LM137H/NOPB?
- A: The output voltage is adjustable from -1.2V down to -37V, providing a wide range of negative voltages.
- Q: What is the maximum output current?
- A: This regulator can deliver up to 1.5A of output current.
- Q: What is the input voltage range?
- A: The input voltage must be more negative than the output, typically ranging from -1.2V to -37V.
- Q: What is the PSRR?
- A: The power supply rejection ratio is 66dB at 120Hz, providing good filtering of low-frequency ripple.
- Q: What package is available?
- A: The LM137H/NOPB is available in a TO-3 metal can package, known for excellent thermal performance.
- Q: Is this regulator short-circuit protected?
- A: Yes, the LM137 series includes internal current limiting and thermal shutdown for robust protection.
LM137H/NOPB.pdf
- Q: What is the output voltage range of the LM137H/NOPB?
- A: The output voltage is adjustable from -1.2V down to -37V, providing a wide range of negative voltages.
- Q: What is the maximum output current?
- A: This regulator can deliver up to 1.5A of output current.
- Q: What is the input voltage range?
- A: The input voltage must be more negative than the output, typically ranging from -1.2V to -37V.
- Q: What is the PSRR?
- A: The power supply rejection ratio is 66dB at 120Hz, providing good filtering of low-frequency ripple.
- Q: What package is available?
- A: The LM137H/NOPB is available in a TO-3 metal can package, known for excellent thermal performance.
- Q: Is this regulator short-circuit protected?
- A: Yes, the LM137 series includes internal current limiting and thermal shutdown for robust protection.
