Texas Instruments LM79L05ACZ/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.67 | $0.67 |
| 15+ | $0.64 | $9.60 |
| 25+ | $0.63 | $15.75 |
| 50+ | $0.60 | $30.00 |
| 100+ | $0.53 | $53.00 |
| N+ | $0.11 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Negative |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | -35V |
| Voltage - Output (Min/Fixed) | -5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | - |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 6 mA |
| Current - Supply (Max) | - |
| PSRR | 50dB (120Hz) |
| Control Features | - |
| Protection Features | Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 70°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) |
| Supplier Device Package | TO-92-3 |
| ROHS |
The LM79L05ACZ/NOPB is a fixed negative linear regulator from Texas Instruments, providing -5V at up to 100mA. It has a quiescent current of 6 mA and a PSRR of 50dB at 120Hz, effectively reducing ripple. The TO-92-3 package makes it ideal for compact, through-hole designs requiring a negative voltage rail.
- Compact Negative Supply: Provides -5V in a small TO-92 package, saving board space.
- Low Quiescent Current: 6 mA quiescent current is suitable for battery-powered applications.
- Ripple Rejection: 50dB PSRR at 120Hz filters AC noise, ensuring clean output.
- Simple Integration: Fixed output requires no external components for voltage setting.
Negative Reference for ADC Circuits
The LM79L05ACZ/NOPB provides a stable -5V rail for bipolar analog-to-digital converters, enabling accurate negative voltage measurements.
Bias Supply for Op-Amps
In single-supply op-amp circuits, this regulator creates a virtual ground or negative bias, expanding the input/output range.
Sensor Excitation
Some pressure or temperature sensors require a negative excitation voltage; this LDO delivers a clean -5V at up to 100mA.
Portable Audio Equipment
For headphone amplifiers needing a negative rail, the LM79L05ACZ/NOPB offers a compact solution with low noise.
Industrial Process Control
It powers -5V logic or analog components in PLCs and process controllers, ensuring stable operation in noisy environments.
Battery-Powered Devices
With a low quiescent current of 6 mA, it is suitable for battery-operated instruments requiring a negative supply.
- Q: What is the output voltage of the LM79L05ACZ/NOPB?
- A: It provides a fixed negative output voltage of -5V.
- Q: What is the maximum output current?
- A: The maximum output current is 100mA.
- Q: What is the input voltage range?
- A: The input voltage is -5V (nominal), typically requiring a more negative input (e.g., -7V to -20V) for regulation.
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data; typical for this series is around 1.7V.
- Q: What is the quiescent current?
- A: The quiescent current is approximately 6 mA.
- Q: What package is available?
- A: It is available in a TO-92-3 package.
- Q: What is the output voltage of the LM79L05ACZ/NOPB?
- A: It provides a fixed negative output voltage of -5V.
- Q: What is the maximum output current?
- A: The maximum output current is 100mA.
- Q: What is the input voltage range?
- A: The input voltage is -5V (nominal), typically requiring a more negative input (e.g., -7V to -20V) for regulation.
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data; typical for this series is around 1.7V.
- Q: What is the quiescent current?
- A: The quiescent current is approximately 6 mA.
- Q: What package is available?
- A: It is available in a TO-92-3 package.

LM79L05ACZ/NOPB.pdf