Diodes Incorporated AS78L05Z-E1
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.34 | $0.34 |
| 15+ | $0.33 | $4.95 |
| 25+ | $0.32 | $8.00 |
| 50+ | $0.31 | $15.50 |
| 100+ | $0.27 | $27.00 |
| N+ | $0.05 | Price Inquiry |
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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 |
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.
- 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.

AS78L05Z-E1.pdf