ETEK MICROELECTRONICS ET5A018YB
| 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) | 1.8V |
| 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 ET5A018YB is a high-current 1.8V low-dropout linear regulator capable of delivering up to 1A from a compact 8-DFN (1.2x1.6mm) package. Featuring an ultra-low dropout of 0.22V at full load and 70dB PSRR at 1kHz, it provides clean, stable power for digital cores, memory, and precision analog circuits in space-constrained applications.
- High Output Current: 1A capability supports power-hungry processors and FPGAs.
- Ultra-Low Dropout: 0.22V at 1A maximizes efficiency in 3.3V to 1.8V conversions.
- Excellent Noise Rejection: 70dB PSRR at 1kHz ensures clean power for sensitive mixed-signal circuits.
- Compact High-Density Package: 8-DFN (1.2x1.6mm) enables dense PCB layouts.
FPGA Core Power
With 1A output capability, the ET5A018YB can power the core voltage of small FPGAs. The 0.22V dropout ensures stable 1.8V even when the input rail dips to 2.0V.
DDR Memory Termination
For DDR3/DDR4 memory systems, this LDO provides clean 1.8V for VTT termination, with 70dB PSRR reducing switching noise from the memory controller.
High-Speed ADC/DAC Supplies
Precision data converters require low-noise 1.8V rails. The ET5A018YB's high PSRR and low dropout make it ideal for powering analog-to-digital converters in communication systems.
Portable Gaming Consoles
Powering the application processor at 1.8V, this regulator supports burst currents up to 1A during gaming, with the 8-DFN package fitting into slim handheld designs.
Optical Transceivers
In SFP+ modules, the 1.8V rail powers laser drivers and TIA circuits. The low dropout and high PSRR ensure stable operation in thermally challenging environments.
Solid-State Drives
For SSD controllers, the ET5A018YB provides clean 1.8V power, with 1A capability supporting high-speed NAND flash operations and minimizing voltage droop.
- Q: What is the output voltage of the ET5A018YB?
- A: It provides a fixed 1.8V output, commonly used for powering low-voltage digital cores and I/O.
- 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 1.8V above the output (approximately 3.6V) 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.
ET5A018YB.pdf
- Q: What is the output voltage of the ET5A018YB?
- A: It provides a fixed 1.8V output, commonly used for powering low-voltage digital cores and I/O.
- 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 1.8V above the output (approximately 3.6V) 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.
