ETEK MICROELECTRONICS ET5A012YB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.22 | $0.22 |
| 15+ | $0.21 | $3.15 |
| 25+ | $0.21 | $5.25 |
| 50+ | $0.20 | $10.00 |
| 100+ | $0.17 | $17.00 |
| N+ | $0.03 | 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 | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | - |
| 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 ET5A012YB is a high-current 1.2V low-dropout linear regulator delivering up to 1A from a compact 8-DFN (1.2x1.6mm) package. With an ultra-low dropout of 0.22V at full load and 70dB PSRR at 1kHz, it ensures clean, stable power for low-voltage digital cores, memory, and precision analog circuits in space-constrained applications.
- High Current Capability: 1A output supports demanding processor and FPGA loads.
- Ultra-Low Dropout: 0.22V at 1A maximizes efficiency in 3.3V to 1.2V conversions.
- Superior Noise Rejection: 70dB PSRR at 1kHz protects sensitive digital and analog circuits.
- Compact Package: 8-DFN (1.2x1.6mm) enables high-density PCB designs.
Low-Power MCU Cores
Modern microcontrollers with 1.2V cores benefit from the ET5A012YB's 1A capability, ensuring stable operation during flash programming and wireless transmissions.
FPGA Auxiliary Logic
For FPGAs requiring 1.2V for auxiliary logic or transceivers, this LDO provides clean power with 70dB PSRR, reducing bit errors in high-speed serial links.
Portable Medical Devices
In hearing aids and glucose monitors, the 1.2V rail powers ultra-low-power DSPs. The low dropout and compact package extend battery life in tiny enclosures.
IoT Edge Processors
Edge AI processors often run at 1.2V. The ET5A012YB supports burst computing loads up to 1A while maintaining tight voltage regulation.
Solid-State Drive Controllers
SSD controllers require 1.2V for their digital core. This regulator's high current capability and low dropout ensure reliable operation during heavy read/write workloads.
Optical Module DSPs
In 100G optical transceivers, the DSP core runs at 1.2V. The ET5A012YB provides clean power with high PSRR to minimize signal integrity issues.
- Q: What is the output voltage of the ET5A012YB?
- A: It provides a fixed 1.2V output, ideal for powering low-voltage digital cores and I/O interfaces.
- Q: What is the maximum output current?
- A: The maximum output current is 1A (with 500mA continuous rating), suitable for powering processors, FPGAs, and memory.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.2V above the output (approximately 2.4V) up to 5.5V, compatible with standard 3.3V and 5V rails.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.22V at 1A load, providing excellent efficiency for low-voltage conversions.
- Q: What is the PSRR?
- A: The PSRR is 70dB at 1kHz, offering good noise rejection for sensitive digital and analog circuits.
- Q: What package is available?
- A: It comes in an 8-DFN (1.2x1.6mm) package, ideal for high-density PCB designs.
- Q: What is the output voltage of the ET5A012YB?
- A: It provides a fixed 1.2V output, ideal for powering low-voltage digital cores and I/O interfaces.
- Q: What is the maximum output current?
- A: The maximum output current is 1A (with 500mA continuous rating), suitable for powering processors, FPGAs, and memory.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.2V above the output (approximately 2.4V) up to 5.5V, compatible with standard 3.3V and 5V rails.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.22V at 1A load, providing excellent efficiency for low-voltage conversions.
- Q: What is the PSRR?
- A: The PSRR is 70dB at 1kHz, offering good noise rejection for sensitive digital and analog circuits.
- Q: What package is available?
- A: It comes in an 8-DFN (1.2x1.6mm) package, ideal for high-density PCB designs.

ET5A012YB.pdf