Texas Instruments UA78L05CLPE3

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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Marketplace | Bulk
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 Through Hole
Package / Case TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package TO-92-3

The UA78L05CLPE3 from Texas Instruments is a classic 5V linear regulator capable of delivering 100mA. Its TO-92-3 package is through-hole friendly, making it ideal for prototyping and low-cost production. With a dropout of 1.7V at 40mA and 49dB PSRR at 120Hz, it provides reliable performance for basic power regulation needs.

  • Simple Through-Hole Design: TO-92-3 package is easy to solder and breadboard.
  • Cost-Effective: Low-cost solution for 5V regulation in high-volume consumer goods.
  • Proven Reliability: Based on the industry-standard 78L05 architecture.
  • Good Ripple Rejection: 49dB at 120Hz reduces mains hum in audio applications.

Consumer Electronics

The TO-92-3 package and 5V output make it a simple, cost-effective solution for powering logic circuits in appliances and toys.

Microcontroller Power

Provides a stable 5V rail for 8-bit MCUs and peripheral ICs in hobbyist and educational projects.

Audio Preamplifiers

The 49dB PSRR at 120Hz helps reduce hum from rectified AC mains in low-power audio circuits.

Bias Supplies

Can be used as a bias supply for op-amps or sensors requiring a clean 5V reference.

LED Drivers

With 100mA capability, it can drive small LED arrays with constant voltage, simplifying current limiting.

Q: What is the output voltage of the UA78L05CLPE3?
A: It provides a fixed 5V output voltage.
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.
Q: What is the dropout voltage?
A: The dropout voltage is 1.7V at 40mA load.
Q: What is the PSRR performance?
A: It offers a PSRR of 49dB at 120Hz, suitable for line ripple rejection.
Q: What package is available?
A: It is available in a TO-92-3 package.
Base Product Number : UA78L05CLP
100mA 5V 78L05 LDO Linear Regulator Texas Instruments Through-Hole TO-92-3
Q: What is the output voltage of the UA78L05CLPE3?
A: It provides a fixed 5V output voltage.
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.
Q: What is the dropout voltage?
A: The dropout voltage is 1.7V at 40mA load.
Q: What is the PSRR performance?
A: It offers a PSRR of 49dB at 120Hz, suitable for line ripple rejection.
Q: What package is available?
A: It is available in a TO-92-3 package.