Texas Instruments LM320T-15/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.45 | $1.45 |
| 15+ | $1.41 | $21.15 |
| 25+ | $1.38 | $34.50 |
| 50+ | $1.30 | $65.00 |
| 100+ | $1.15 | $115.00 |
| N+ | $0.23 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tube | |
| Output Configuration | Negative |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | -35V |
| Voltage - Output (Min/Fixed) | -15V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | - |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 2 mA |
| Current - Supply (Max) | - |
| PSRR | 64dB (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-220-3 |
| ROHS |
The Texas Instruments LM320T-15/NOPB is a fixed -15V negative linear voltage regulator capable of delivering 1.5A. It features a quiescent current of 2 mA and a PSRR of 64dB at 120Hz. The TO-220-3 package provides excellent thermal performance and is ideal for through-hole PCB designs. This regulator is a reliable choice for high-current negative supply applications in industrial, audio, and telecommunications systems.
- High Output Current (1.5A): Supports demanding loads that require more current than typical LDOs.
- Fixed -15V Output: Provides a precise negative rail without external adjustment components.
- High PSRR (64dB @ 120Hz): Ensures clean output by rejecting input ripple and noise.
- TO-220 Package: Excellent thermal dissipation for continuous high-current operation with a heatsink.
High-Current Negative Rails
Delivers up to 1.5A for demanding negative supply applications in industrial and audio equipment.
Audio Amplifier Power Supplies
Provides a robust -15V rail for high-power audio amplifiers and preamplifiers, ensuring clean, symmetric power.
Industrial Motor Controllers
Powers negative control circuits in motor drives and robotics, providing reliable operation in harsh environments.
Laboratory Power Supplies
Used as a building block in bench power supplies to generate a stable negative output for testing electronics.
Telecom Base Stations
Supplies negative voltage for RF power amplifiers and communication modules.
Battery Charging Systems
Provides a negative rail for monitoring and control circuits in advanced battery management systems.
- Q: What is the output voltage of the LM320T-15/NOPB?
- A: It is a negative regulator providing a fixed -15V output.
- Q: What is the maximum output current?
- A: The maximum output current is 1.5A.
- Q: What is the input voltage range?
- A: The input voltage must be more negative than -15V; the absolute maximum is not specified in the provided data.
- Q: What is the dropout voltage?
- A: The dropout voltage is not specified in the provided data.
- Q: What is the quiescent current?
- A: The quiescent current is 2 mA.
- Q: What package is available?
- A: It is available in the TO-220-3 through-hole package.
- Q: What is the output voltage of the LM320T-15/NOPB?
- A: It is a negative regulator providing a fixed -15V output.
- Q: What is the maximum output current?
- A: The maximum output current is 1.5A.
- Q: What is the input voltage range?
- A: The input voltage must be more negative than -15V; the absolute maximum is not specified in the provided data.
- Q: What is the dropout voltage?
- A: The dropout voltage is not specified in the provided data.
- Q: What is the quiescent current?
- A: The quiescent current is 2 mA.
- Q: What package is available?
- A: It is available in the TO-220-3 through-hole package.

LM320T-15/NOPB.pdf