ETEK MICROELECTRONICS ET5A0ADJYB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.93 | $2.93 |
| 15+ | $2.83 | $42.45 |
| 25+ | $2.77 | $69.25 |
| 50+ | $2.62 | $131.00 |
| 100+ | $2.31 | $231.00 |
| N+ | $0.46 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | ETEK MICROELECTRONICS |
| Product Series | ET5A0XX |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.75V |
| Voltage - Output (Max) | 4.3V |
| Voltage Dropout (Max) | 0.22V @ 1A |
| Current - Output | 500mA, 1A |
| Current - Quiescent (Iq) | - |
| Current - Supply (Max) | - |
| PSRR | 70dB (1kHz) |
| Control Features | Current Limit, Enable |
| Protection Features | Over Current, Over Temperature, Reverse Current |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-XFDFN Exposed Pad |
| Supplier Device Package | 8-DFN (1.2x1.6) |
| ROHS |
The ET5A0ADJYB from ETEK Microelectronics is an ultra-compact adjustable low dropout regulator delivering up to 1A. Featuring a very low 0.22V dropout at 1A and 70dB PSRR at 1kHz, it is designed for space-constrained, battery-powered applications. The 8-DFN (1.2x1.6) package is among the smallest available for this current class.
- Ultra-Small Package: 8-DFN (1.2x1.6) minimizes PCB footprint.
- Low Dropout: 0.22V at 1A extends battery life.
- High PSRR: 70dB at 1kHz for noise-sensitive circuits.
- Adjustable Output: Flexible voltage setting for diverse applications.
Ultra-Compact IoT Modules
The tiny 8-DFN (1.2x1.6) package is perfect for IoT modules where PCB area is at a premium, providing a stable adjustable voltage.
Hearing Aids and Medical Implants
The ultra-small footprint and low dropout make it suitable for hearing aids and other miniature medical devices requiring efficient power.
Wireless Sensor Networks
With 70dB PSRR at 1kHz, it ensures clean power for wireless sensor nodes, improving signal integrity and range.
Portable Gas Detectors
The low dropout and compact size enable efficient battery operation in portable safety equipment like gas detectors.
Smart Cards and Readers
The small package and adjustable output support smart card readers that need a precise, low-noise voltage supply.
Micro-Power Amplifiers
For low-power amplifier stages, this LDO provides a clean, adjustable rail that minimizes distortion and noise.
- Q: What is the output voltage of the ET5A0ADJYB?
- A: The output voltage is adjustable, with a typical output of 4.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A (500mA to 1A range).
- Q: What is the input voltage range?
- A: The input voltage must be at least 0.75V above the output voltage.
- Q: What is the dropout voltage?
- A: The dropout voltage is very low at 0.22V at 1A load.
- Q: What is the PSRR?
- A: The power supply rejection ratio is 70dB at 1kHz.
- Q: What package is available?
- A: It comes in an 8-DFN (1.2x1.6) package.
- Q: What is the output voltage of the ET5A0ADJYB?
- A: The output voltage is adjustable, with a typical output of 4.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A (500mA to 1A range).
- Q: What is the input voltage range?
- A: The input voltage must be at least 0.75V above the output voltage.
- Q: What is the dropout voltage?
- A: The dropout voltage is very low at 0.22V at 1A load.
- Q: What is the PSRR?
- A: The power supply rejection ratio is 70dB at 1kHz.
- Q: What package is available?
- A: It comes in an 8-DFN (1.2x1.6) package.

ET5A0ADJYB.pdf