Skip to product information
1 of 1
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Regular price $0.30
Regular price $0.32 Sale price $0.30
Sale Sold out
Quantity Unit Price Total Price
1 $0.30 $0.30
15+ $0.29 $4.35
25+ $0.29 $7.25
50+ $0.27 $13.50
100+ $0.24 $24.00
N+ $0.05 Price Inquiry
Shipping calculated at checkout.
Quantity
Component Recycling

Request Quote / Inquiry

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 -40°C ~ 125°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case TO-243AA
Supplier Device Package SOT-89-3
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The UA78L05AIPK from Texas Instruments is a fixed 5V linear regulator delivering 100mA. It features a dropout of 1.7V at 40mA and PSRR of 49dB at 120Hz. Packaged in SOT-89-3, it offers thermal overload protection and is suitable for various low-power applications.

  • Fixed 5V output with 100mA current capability, ideal for standard logic rails.
  • 49dB PSRR at 120Hz reduces mains ripple for cleaner output.
  • SOT-89-3 package provides good thermal dissipation in a small footprint.
  • Internal thermal shutdown and short-circuit protection enhance reliability.

5V Logic Supply

Provides a stable 5V rail for TTL logic and microcontrollers, with 100mA capacity and 49dB PSRR at 120Hz.

Analog Sensor Interface

Powers 5V sensors and op-amps, ensuring low noise for accurate analog-to-digital conversion.

Consumer Electronics

Regulates 5V for small appliances, offering thermal shutdown and short-circuit protection.

Battery Charger Control

Supplies 5V to charger control ICs, maintaining consistent voltage for charging algorithms.

Automotive Electronics

Used in automotive modules for 5V reference, with 1.7V dropout allowing operation from 6.7V input.

Test and Measurement

Provides a clean 5V source for bench instruments, with SOT-89-3 package for easy PCB mounting.

Q: What is the output voltage of the UA78L05AIPK?
A: It provides a fixed 5V output.
Q: What is the maximum output current?
A: It can deliver up to 100mA.
Q: What is the input voltage range?
A: Input voltage should be between 7V and 20V for proper regulation.
Q: What is the dropout voltage?
A: Dropout is 1.7V at 40mA load.
Q: What is the PSRR?
A: PSRR is 49dB at 120Hz, providing good ripple rejection.
Q: What package is available?
A: It comes in a SOT-89-3 package.
Base Product Number : UA78L05AIPK
100mA 5V Fixed Output LDO Linear Regulator SOT-89-3 Texas Instruments
Q: What is the output voltage of the UA78L05AIPK?
A: It provides a fixed 5V output.
Q: What is the maximum output current?
A: It can deliver up to 100mA.
Q: What is the input voltage range?
A: Input voltage should be between 7V and 20V for proper regulation.
Q: What is the dropout voltage?
A: Dropout is 1.7V at 40mA load.
Q: What is the PSRR?
A: PSRR is 49dB at 120Hz, providing good ripple rejection.
Q: What package is available?
A: It comes in a SOT-89-3 package.