ETEK MICROELECTRONICS ET5H230
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.13 | $0.13 |
| 15+ | $0.13 | $1.95 |
| 25+ | $0.13 | $3.25 |
| 50+ | $0.12 | $6.00 |
| 100+ | $0.11 | $11.00 |
| N+ | $0.02 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | ETEK MICROELECTRONICS |
| Product Series | ET5H2XX |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.35V @ 300mA |
| Current - Output | 300mA |
| Current - Quiescent (Iq) | 4.5 µA |
| Current - Supply (Max) | - |
| PSRR | 60dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| ROHS |
The ET5H230 from ETEK MICROELECTRONICS is a fixed 3V low dropout regulator offering 300mA output current. Its ultra-low quiescent current of 4.5µA makes it exceptionally power-efficient for battery-operated devices. Packaged in a compact SOT-23-5, it features a dropout voltage of 1.35V at full load and 60dB PSRR at 1kHz, ensuring stable and clean power delivery.
- Ultra-Low Quiescent Current (4.5µA): Ideal for battery-powered and energy-harvesting applications.
- 300mA Output: Sufficient for most low-power microcontrollers and sensors.
- Compact SOT-23-5: Small footprint for space-constrained PCB designs.
- Low Dropout (1.35V @ 300mA): Allows operation from batteries with minimal headroom.
- 60dB PSRR: Provides clean output for noise-sensitive analog circuits.
Portable Audio Players
The 3V output and 300mA capability are perfect for powering audio DACs and amplifiers, while the low IQ preserves battery during playback.
Smart Meters
With low dropout and high efficiency, it regulates 3V for metering ICs in smart utility meters, ensuring accurate readings over long periods.
Remote Controls
The SOT-23-5 package and low quiescent current make it ideal for IR remote controls, extending battery life between uses.
Sensor Interfaces
Provides a clean 3V rail for analog sensors and ADCs, with 60dB PSRR at 1kHz to minimize noise interference.
Embedded Systems
Powers 3V logic and memory in embedded designs, with 300mA supporting multiple peripherals simultaneously.
Consumer Electronics
Used in toys, calculators, and small appliances where a stable 3V supply is required from a 4.5V battery pack.
- Q: What is the output voltage of the ET5H230?
- A: It provides a fixed 3V output.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA.
- Q: What is the input voltage range?
- A: The input voltage is 3V (typical).
- Q: What is the dropout voltage?
- A: Dropout is 1.35V at 300mA load.
- Q: What is the quiescent current?
- A: Ultra-low quiescent current of 4.5µA.
- Q: What package is available?
- A: SOT-23-5 package.
- Q: What is the output voltage of the ET5H230?
- A: It provides a fixed 3V output.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA.
- Q: What is the input voltage range?
- A: The input voltage is 3V (typical).
- Q: What is the dropout voltage?
- A: Dropout is 1.35V at 300mA load.
- Q: What is the quiescent current?
- A: Ultra-low quiescent current of 4.5µA.
- Q: What package is available?
- A: SOT-23-5 package.

ET5H230.pdf