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Product attributes Property Value
Manufacturer Diodes Incorporated
Product Series
Packaging Bulk |
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 30V
Voltage - Output (Min/Fixed) 5V
Voltage - Output (Max) -
Voltage Dropout (Max) 1.8V @ 100mA (Typ)
Current - Output 100mA
Current - Quiescent (Iq) 5.5 mA
Current - Supply (Max) -
PSRR 62dB (120Hz)
Control Features -
Protection Features Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C
Grade -
Qualification -
Mounting Type Through Hole
Package / Case TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package TO-92
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The AS78L05Z-E1 from Diodes Incorporated is a fixed 5V LDO regulator in a TO-92 package. It delivers 100mA with a typical dropout of 1.8V and 62dB PSRR at 120Hz. This classic regulator is ideal for general-purpose applications requiring a simple, cost-effective 5V supply.

  • Cost-Effective: Simple, proven design offers an economical solution for 5V regulation.
  • Mains Ripple Rejection: 62dB PSRR at 120Hz filters AC line noise effectively.
  • Wide Input Range: Accepts up to 30V input, providing design flexibility.
  • Through-Hole Package: TO-92 package is easy to solder and breadboard-friendly.

General-Purpose 5V Supply

Provides a simple, reliable 5V rail for small microcontrollers, op-amps, and logic circuits in hobbyist and industrial projects.

Audio Preamplifiers

With 62dB PSRR at 120Hz, it effectively filters mains hum, making it suitable for audio preamp circuits.

Sensor Power

Powers analog sensors like temperature and pressure transducers that require a stable 5V reference.

Relay Driver Circuits

Supplies logic-level control for relay drivers in automation systems, with enough current for interface ICs.

Battery Chargers

Used in simple linear battery chargers to provide a regulated 5V charging source for small batteries.

Legacy Equipment Repair

Drop-in replacement for classic 78L05 regulators in older electronic equipment, ensuring continued operation.

Q: What is the output voltage?
A: The AS78L05Z-E1 provides a fixed 5V output.
Q: What is the maximum output current?
A: It can supply up to 100mA of output current.
Q: What is the input voltage range?
A: The input voltage range is from 7V to 30V.
Q: What is the dropout voltage?
A: Dropout voltage is typically 1.8V at 100mA.
Q: What is the quiescent current?
A: Quiescent current is 5.5 mA.
Q: What package is available?
A: It is available in a TO-92 package.
Base Product Number : AS78L05
100mA 5V Diodes Incorporated General Purpose LDO Linear Regulator TO-92
Q: What is the output voltage?
A: The AS78L05Z-E1 provides a fixed 5V output.
Q: What is the maximum output current?
A: It can supply up to 100mA of output current.
Q: What is the input voltage range?
A: The input voltage range is from 7V to 30V.
Q: What is the dropout voltage?
A: Dropout voltage is typically 1.8V at 100mA.
Q: What is the quiescent current?
A: Quiescent current is 5.5 mA.
Q: What package is available?
A: It is available in a TO-92 package.