ETEK MICROELECTRONICS ET5A3ADJZB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.28 | $0.28 |
| 15+ | $0.27 | $4.05 |
| 25+ | $0.26 | $6.50 |
| 50+ | $0.25 | $12.50 |
| 100+ | $0.22 | $22.00 |
| N+ | $0.04 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | ETEK MICROELECTRONICS |
| Product Series | |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.5V |
| Voltage - Output (Max) | 3V |
| Voltage Dropout (Max) | - |
| Current - Output | 1A |
| Current - Quiescent (Iq) | 160 µA |
| Current - Supply (Max) | - |
| PSRR | 75dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 6-XFBGA, WLCSP |
| Supplier Device Package | 6-WLCSP (1.15x0.75) |
| ROHS |
The ET5A3ADJZB is a fixed 3V low dropout regulator from ETEK Microelectronics, capable of delivering up to 1A. It features a low quiescent current of 160µA and excellent PSRR of 75dB at 1kHz. The ultra-compact 6-WLCSP package is designed for space-constrained, high-performance portable applications.
- High output current (1A) supports demanding loads.
- Ultra-small WLCSP package saves significant PCB area.
- Excellent PSRR (75dB @ 1kHz) for clean power delivery.
- Low quiescent current (160µA) for battery efficiency.
High-Current Portable Devices
With 1A output capability, this LDO powers application processors and power-hungry peripherals in smartphones and tablets.
Space-Constrained Wearables
The ultra-small 6-WLCSP package (1.15x0.75mm) is ideal for compact wearable electronics where board area is critical.
Noise-Sensitive RF Front-Ends
75dB PSRR at 1kHz ensures minimal supply noise for RF transceivers, improving signal integrity.
Battery-Powered IoT Sensors
Low 160µA quiescent current helps maximize battery life in always-on IoT devices.
Camera Modules
Stable 3V rail for image sensors, with high current capability for rapid autofocus and flash charging.
- Q: What is the output voltage of the ET5A3ADJZB?
- A: The output voltage is fixed at 3V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A.
- Q: What is the input voltage range?
- A: The input voltage range is not specified; the provided data lists 0.5V, which may be a typo. Refer to the datasheet.
- Q: What is the quiescent current?
- A: The quiescent current is 160µA.
- Q: What is the PSRR?
- A: PSRR is 75dB at 1kHz.
- Q: What package is available?
- A: It comes in a 6-WLCSP (1.15x0.75) package.
- Q: What is the output voltage of the ET5A3ADJZB?
- A: The output voltage is fixed at 3V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A.
- Q: What is the input voltage range?
- A: The input voltage range is not specified; the provided data lists 0.5V, which may be a typo. Refer to the datasheet.
- Q: What is the quiescent current?
- A: The quiescent current is 160µA.
- Q: What is the PSRR?
- A: PSRR is 75dB at 1kHz.
- Q: What package is available?
- A: It comes in a 6-WLCSP (1.15x0.75) package.

ET5A3ADJZB.pdf