National Semiconductor LM337LBLX
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.08 | $1.08 |
| 15+ | $0.25 | $3.75 |
| 25+ | $0.24 | $6.00 |
| 50+ | $0.23 | $11.50 |
| 100+ | $0.20 | $20.00 |
| N+ | $0.04 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| 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 | 100mA |
| Current - Quiescent (Iq) | 5 mA |
| Current - Supply (Max) | - |
| PSRR | 80dB ~ 65dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -25°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 6-VFBGA |
| Supplier Device Package | 6-uSMD (1.13x1.82) |
The LM337LBLX is a versatile adjustable negative linear regulator from National Semiconductor, delivering up to 100mA with an output range from -1.2V to -37V. Its compact 6-uSMD package and 5mA quiescent current make it suitable for portable and space-limited designs. With excellent PSRR of 80dB at 120Hz, it ensures clean, stable power for sensitive analog circuits.
- Ultra-Compact Footprint: 6-uSMD (1.13x1.82mm) saves PCB space for miniaturized designs.
- High PSRR (80dB): Effectively rejects power supply noise, ideal for audio and precision analog.
- Adjustable Output: Flexible -1.2V to -37V range suits multiple negative rail requirements.
- Low Quiescent Current (5mA): Enhances efficiency in battery-operated equipment.
Precision Negative Rail for Audio
With 80dB PSRR at 120Hz, the LM337LBLX minimizes hum and noise in audio preamplifiers and DACs requiring a clean negative supply.
Portable Battery-Powered Devices
The 100mA output and tiny 6-uSMD package make it ideal for space-constrained wearables and IoT sensors needing a regulated negative rail.
Biasing Circuits for Op-Amps
Its adjustable -1.2V to -37V range allows precise negative biasing for operational amplifiers in instrumentation and measurement equipment.
Reference Voltage for Data Converters
The low quiescent current (5mA) and stable output support high-accuracy ADC/DAC reference supplies in industrial control systems.
Negative Supply for LCD Displays
Provides a stable negative voltage for LCD contrast adjustment in portable displays, ensuring consistent visual performance.
Test & Measurement Equipment
Reliable negative rail generation for benchtop multimeters and oscilloscopes, where voltage accuracy and low noise are critical.
- Q: What is the output voltage range of the LM337LBLX?
- A: The LM337LBLX provides an adjustable negative output voltage from -1.2V down to -37V.
- Q: What is the maximum output current?
- A: This LDO regulator can deliver up to 100mA of output current.
- Q: What is the input voltage range?
- A: The input voltage must be at least -1.2V below the desired output, with an absolute maximum input of -37V.
- Q: What is the quiescent current?
- A: The quiescent current is typically 5 mA.
- Q: What is the package type?
- A: It comes in a 6-uSMD package measuring 1.13x1.82 mm.
- Q: What is the PSRR performance?
- A: The power supply rejection ratio is 80dB to 65dB at 120Hz.
LM337LBLX.pdf
- Q: What is the output voltage range of the LM337LBLX?
- A: The LM337LBLX provides an adjustable negative output voltage from -1.2V down to -37V.
- Q: What is the maximum output current?
- A: This LDO regulator can deliver up to 100mA of output current.
- Q: What is the input voltage range?
- A: The input voltage must be at least -1.2V below the desired output, with an absolute maximum input of -37V.
- Q: What is the quiescent current?
- A: The quiescent current is typically 5 mA.
- Q: What is the package type?
- A: It comes in a 6-uSMD package measuring 1.13x1.82 mm.
- Q: What is the PSRR performance?
- A: The power supply rejection ratio is 80dB to 65dB at 120Hz.
