Texas Instruments LM78L05ACZ/LFT3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.34 | $1.34 |
| 15+ | $0.31 | $4.65 |
| 25+ | $0.31 | $7.75 |
| 50+ | $0.29 | $14.50 |
| 100+ | $0.26 | $26.00 |
| N+ | $0.05 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tape & Box (TB) | Cut Tape (CT) |
| Output Configuration | Positive |
| 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) | 3 mA |
| Current - Supply (Max) | - |
| PSRR | 62dB (120Hz) |
| Control Features | - |
| Protection Features | Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads |
| Supplier Device Package | TO-92-3 |
| ROHS |
The LM78L05ACZ/LFT3 is a fixed 5V linear regulator from Texas Instruments, delivering up to 100mA of output current. Housed in a compact TO-92-3 package, it offers a simple and reliable solution for low-power applications. With a quiescent current of only 3mA and 62dB PSRR at 120Hz, it ensures clean, stable power for sensitive electronics.
- Stable 5V output: Fixed voltage eliminates external resistor networks, simplifying design.
- Low quiescent current (3mA): Improves efficiency in battery-operated devices.
- High PSRR (62dB @ 120Hz): Effectively filters AC ripple for clean power.
- Compact TO-92 package: Ideal for space-constrained PCB layouts.
Microcontroller Power Supply
Provides a stable 5V rail for low-power MCUs and digital logic circuits, with 62dB PSRR at 120Hz filtering mains ripple.
Sensor Interface
Powers analog sensors and signal conditioning circuits requiring a clean 5V supply, minimizing noise coupling into measurements.
Battery-Powered Devices
Regulates battery output to a constant 5V for portable instruments, extending battery life with its low 3mA quiescent current.
Reference Voltage Source
Acts as a simple voltage reference for ADC circuits or comparator thresholds, ensuring accurate conversions.
Industrial Control Logic
Supplies regulated power to PLC I/O modules and control relays, ensuring reliable operation in noisy industrial environments.
Audio Preamplifier Supply
Provides a low-noise 5V rail for audio op-amps, reducing hum and buzz in sensitive audio paths.
- Q: What is the output voltage of the LM78L05ACZ/LFT3?
- A: The fixed output voltage is 5V DC.
- 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 range is not specified in the provided data; refer to the datasheet for absolute maximum ratings.
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data; refer to the datasheet.
- Q: What is the quiescent current?
- A: The quiescent current is 3 mA.
- Q: What package is available?
- A: This device is available in a TO-92-3 package.
- Q: What is the output voltage of the LM78L05ACZ/LFT3?
- A: The fixed output voltage is 5V DC.
- 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 range is not specified in the provided data; refer to the datasheet for absolute maximum ratings.
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data; refer to the datasheet.
- Q: What is the quiescent current?
- A: The quiescent current is 3 mA.
- Q: What package is available?
- A: This device is available in a TO-92-3 package.

LM78L05ACZ/LFT3.pdf