Texas Instruments LM337T/LF01
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 15+ | $1.79 | $26.85 |
| 25+ | $1.76 | $44.00 |
| 50+ | $1.66 | $83.00 |
| 100+ | $1.46 | $146.00 |
| N+ | $0.29 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| 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) | - |
| Current - Supply (Max) | - |
| PSRR | 77dB (120Hz) |
| Control Features | - |
| Protection Features | Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-220-3, Formed Leads |
| Supplier Device Package | TO-220-3, LF01 |
| ROHS |  |
The LM337T/LF01 from Texas Instruments is a classic adjustable negative linear regulator, capable of sourcing 1.5A over a -1.2V to -37V output range. Its high PSRR of 77dB at 120Hz makes it excellent for audio and precision analog applications. The TO-220 package ensures robust thermal handling. This device is a reliable choice for creating negative supply rails in a wide variety of electronic systems.
- Adjustable negative output (-1.2V to -37V): Offers design flexibility for various negative rail requirements.
- High output current (1.5A): Suitable for powering demanding analog loads.
- Excellent PSRR (77dB @ 120Hz): Minimizes mains hum and ripple in audio circuits.
- Proven TO-220 package: Easy to heatsink and widely available.
Negative Audio Power Supplies
With 77dB PSRR at 120Hz, it provides clean negative rails for op-amps and audio preamplifiers, reducing hum.
Bipolar Power Supplies
Paired with an LM317, it creates a symmetric ±V supply for analog circuits, test equipment, and industrial controls.
Battery Chargers
Adjustable output down to -1.2V allows precise negative charging profiles for specialized battery chemistries.
Instrumentation Amplifiers
1.5A current capability supports high-current negative rails for precision measurement systems.
Power Supply Testing
Its adjustable nature makes it a versatile tool for bench testing negative voltage circuits.
Telecom Line Drivers
Provides stable negative bias for RF amplifiers and line drivers in communication infrastructure.
- Q: What is the output voltage range?
- A: It provides an adjustable negative output from -1.2V to -37V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A.
- Q: What is the input voltage range?
- A: The input voltage must be negative, typically between -3V and -40V (absolute max).
- Q: What is the dropout voltage?
- A: Dropout voltage is not explicitly specified; typically around 2V at full load.
- Q: What is the quiescent current?
- A: Quiescent current is not specified; typical standby current is around 1.5mA.
- Q: What package is available?
- A: Available in TO-220-3 package (LF01 variant).
LM337T/LF01.pdf
- Q: What is the output voltage range?
- A: It provides an adjustable negative output from -1.2V to -37V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A.
- Q: What is the input voltage range?
- A: The input voltage must be negative, typically between -3V and -40V (absolute max).
- Q: What is the dropout voltage?
- A: Dropout voltage is not explicitly specified; typically around 2V at full load.
- Q: What is the quiescent current?
- A: Quiescent current is not specified; typical standby current is around 1.5mA.
- Q: What package is available?
- A: Available in TO-220-3 package (LF01 variant).
