ETEK MICROELECTRONICS ET53125YB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.10 | $0.10 |
| 15+ | $0.09 | $1.35 |
| 25+ | $0.09 | $2.25 |
| 50+ | $0.09 | $4.50 |
| 100+ | $0.08 | $8.00 |
| N+ | $0.02 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | ETEK MICROELECTRONICS |
| Product Series | ET531XX |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 2.5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | - |
| Current - Output | 300mA |
| Current - Quiescent (Iq) | 25 µA |
| Current - Supply (Max) | 425 µA |
| PSRR | 80dB ~ 40dB (100Hz ~ 100kHz) |
| 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 | 4-XDFN Exposed Pad |
| Supplier Device Package | 4-DFN (1x1) |
| ROHS |  |
The ET53125YB is a high-performance low dropout linear regulator from ETEK Microelectronics, delivering a fixed 2.5V output with up to 300mA current capability. Its ultra-compact 4-DFN (1x1) package and 25 µA quiescent current make it an excellent choice for battery-powered and space-constrained applications. With superior PSRR of 80dB to 40dB across 100Hz to 100kHz, it ensures clean, stable power for noise-sensitive circuits.
- Extended Battery Life: Ultra-low 25 µA quiescent current minimizes standby power consumption in portable devices.
- Excellent Noise Rejection: 80dB PSRR at 100Hz filters low-frequency ripple, ideal for precision analog circuits.
- Space-Saving Design: 4-DFN (1x1) package reduces PCB footprint by up to 60% compared to SOT-23 alternatives.
- High Current Density: 300mA output in a 1mm² package enables high-power density in wearables.
Battery-Powered IoT Sensors
The ultra-low 25 µA quiescent current and 300mA output make it ideal for always-on IoT sensors that need to maximize battery life while handling periodic high-current radio bursts.
Portable Medical Devices
With 80dB PSRR at 100Hz, the ET53125YB effectively filters mains-frequency noise, ensuring stable power for sensitive analog front-ends in glucose monitors or pulse oximeters.
Wearable Electronics
The 4-DFN (1x1) package is one of the smallest available, enabling ultra-thin smartwatches and fitness bands where PCB area is at a premium.
Noise-Sensitive Audio Codecs
High PSRR across 100Hz-100kHz suppresses switching noise from adjacent digital circuits, preserving audio signal integrity in portable media players.
RF Transceiver Power
The 300mA capability supports peak currents of LoRa or BLE transceivers while maintaining a clean 2.5V rail, reducing bit-error rates.
Industrial Sensor Nodes
Stable 2.5V output with low dropout characteristics ensures reliable operation in 3.3V to 2.5V conversion for industrial temperature or pressure sensors.
- Q: What is the output voltage of the ET53125YB?
- A: The ET53125YB provides a fixed output voltage of 2.5V.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA of continuous output current.
- Q: What is the input voltage range?
- A: The recommended input voltage is 2.5V, with a typical operating range suitable for low-voltage applications.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 25 µA, making it efficient for battery-powered devices.
- Q: What is the package type?
- A: It comes in a compact 4-DFN (1x1) package, ideal for space-constrained designs.
- Q: What is the PSRR performance?
- A: It offers excellent PSRR of 80dB to 40dB from 100Hz to 100kHz, ensuring clean output.
ET53125YB.pdf
- Q: What is the output voltage of the ET53125YB?
- A: The ET53125YB provides a fixed output voltage of 2.5V.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA of continuous output current.
- Q: What is the input voltage range?
- A: The recommended input voltage is 2.5V, with a typical operating range suitable for low-voltage applications.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 25 µA, making it efficient for battery-powered devices.
- Q: What is the package type?
- A: It comes in a compact 4-DFN (1x1) package, ideal for space-constrained designs.
- Q: What is the PSRR performance?
- A: It offers excellent PSRR of 80dB to 40dB from 100Hz to 100kHz, ensuring clean output.
