Texas Instruments UA78L05ACPKE6
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.36 | $0.36 |
| 15+ | $0.35 | $5.25 |
| 25+ | $0.34 | $8.50 |
| 50+ | $0.32 | $16.00 |
| 100+ | $0.29 | $29.00 |
| N+ | $0.06 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 20V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.7V @ 40mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | - |
| Current - Supply (Max) | - |
| PSRR | 49dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-243AA |
| Supplier Device Package | SOT-89-3 |
| ROHS |  |
The UA78L05ACPKE6 is a fixed 5V linear regulator from Texas Instruments, delivering up to 100mA. Packaged in a SOT-89-3, it offers 49dB PSRR at 120Hz, making it effective at filtering low-frequency ripple. With a dropout of 1.7V at 40mA, it is a straightforward solution for basic 5V regulation needs.
- Simple 5V Solution: Fixed output eliminates external resistor dividers.
- Good Ripple Rejection: 49dB at 120Hz filters mains-frequency noise.
- Robust Package: SOT-89-3 offers good thermal dissipation for 100mA loads.
- Widely Available: Industry-standard pinout and specifications.
Microcontroller Power Supply
Provides a stable 5V rail for 8-bit MCUs and digital logic, with 49dB ripple rejection at 120Hz to filter mains hum.
Analog Reference Rail
The 5V output with 49dB PSRR is suitable for powering op-amps and ADC reference circuits in low-frequency instrumentation.
Industrial Sensor Boards
100mA capacity is adequate for powering sensors and signal conditioning circuits in industrial control panels.
Consumer Electronics
Ideal for small appliances and set-top boxes requiring a simple, reliable 5V supply from a higher DC bus.
Battery Charger Control
Use it to power charge control logic in battery management systems, ensuring consistent 5V logic levels.
LED Driver Logic
Provides the control voltage for LED driver ICs in lighting applications, maintaining stable brightness.
- Q: What is the output voltage?
- A: Fixed 5V output.
- Q: What is the maximum output current?
- A: 100mA.
- Q: What is the input voltage range?
- A: Maximum input is 5V (note: this is the max input, not typical; typical operation requires higher input).
- Q: What is the dropout voltage?
- A: 1.7V at 40mA load.
- Q: What is the PSRR?
- A: 49dB at 120Hz.
- Q: What package is it available in?
- A: SOT-89-3 package.
UA78L05ACPKE6.pdf
- Q: What is the output voltage?
- A: Fixed 5V output.
- Q: What is the maximum output current?
- A: 100mA.
- Q: What is the input voltage range?
- A: Maximum input is 5V (note: this is the max input, not typical; typical operation requires higher input).
- Q: What is the dropout voltage?
- A: 1.7V at 40mA load.
- Q: What is the PSRR?
- A: 49dB at 120Hz.
- Q: What package is it available in?
- A: SOT-89-3 package.
