ETEK MICROELECTRONICS ET5A0ADJY2B
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.00 | $5.00 |
| 15+ | $4.60 | $69.00 |
| 25+ | $4.50 | $112.50 |
| 50+ | $4.25 | $212.50 |
| 100+ | $3.75 | $375.00 |
| N+ | $0.75 | 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 | 6-WDFN Exposed Pad |
| Supplier Device Package | 6-DFN (2x2) |
| ROHS |
The ET5A0ADJY2B from ETEK Microelectronics is a compact, adjustable low dropout linear regulator capable of delivering up to 1A. Its ultra-low 0.22V dropout at 1A and excellent 70dB PSRR at 1kHz make it perfect for battery-powered and noise-sensitive portable applications. The 6-DFN (2x2) package is ideal for space-constrained designs.
- Ultra-Low Dropout: 0.22V at 1A maximizes efficiency in low-headroom battery designs.
- Excellent PSRR: 70dB at 1kHz filters noise for sensitive analog and RF circuits.
- Compact Package: 6-DFN (2x2) saves board space in portable devices.
- Adjustable Output: Flexible output voltage configuration for various applications.
Battery-Powered Wearables
The ultra-low 0.22V dropout and small 6-DFN package make it ideal for wearable devices where battery voltage is close to the output and space is limited.
Portable Audio Players
With 70dB PSRR at 1kHz, this LDO provides clean power for audio DACs and amplifiers, reducing audible noise in portable audio equipment.
IoT Sensor Nodes
The low dropout and adjustable output allow efficient powering of IoT sensors from a single Li-ion cell, maximizing battery life.
RF Transceivers
The high PSRR at 1kHz helps maintain stable voltage for RF transceivers, preventing interference from power supply noise.
Compact Medical Monitors
The small 2x2 DFN package and 1A capability suit compact medical monitoring devices that require a stable, adjustable voltage.
Smartphone Peripheral Power
For smartphone accessories, the low dropout and small footprint enable efficient power conversion from the main battery rail.
- Q: What is the output voltage of the ET5A0ADJY2B?
- 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 a 6-DFN (2x2) package.
- Q: What is the output voltage of the ET5A0ADJY2B?
- 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 a 6-DFN (2x2) package.

ET5A0ADJY2B.pdf