ETEK MICROELECTRONICS ET5H233
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.19 | $0.19 |
| 15+ | $0.18 | $2.70 |
| 25+ | $0.18 | $4.50 |
| 50+ | $0.17 | $8.50 |
| 100+ | $0.15 | $15.00 |
| N+ | $0.03 | Price Inquiry |
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| 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) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.3V @ 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 ET5H233 from ETEK MICROELECTRONICS is a 3.3V low dropout linear regulator offering up to 300mA of output current. Its standout feature is an ultra-low quiescent current of just 4.5µA, making it one of the most power-efficient options in its class. Housed in a SOT-23-5 package, it provides a stable 3.3V output with 60dB PSRR at 1kHz, ideal for battery-powered and energy-harvesting applications where every microamp counts.
- Ultra-Low Quiescent Current: 4.5µA quiescent draw dramatically extends battery life in standby and always-on applications.
- Higher Output Current: 300mA capability supports a wider range of loads compared to typical 150mA LDOs.
- Stable 3.3V Rail: 60dB PSRR at 1kHz ensures clean power for digital and analog circuits.
- Compact SOT-23-5: Small footprint suitable for space-constrained PCB designs.
Ultra-Low-Power Wearables
The exceptional 4.5µA quiescent current makes this LDO ideal for smartwatches, fitness trackers, and medical patches where battery life is critical and loads are intermittent.
Energy Harvesting Systems
For solar, thermal, or vibration energy harvesters, the minimal quiescent draw preserves scarce harvested energy, allowing more power for the actual load.
Always-On RTC and Memory Backup
Provides a stable 3.3V rail for real-time clocks, SRAM backup, and microcontroller standby modes, with negligible current drain.
Battery-Powered Remote Controls
With 300mA capability, it can handle IR LED bursts while maintaining ultra-low standby current for years of shelf life.
Portable Instruments
Ideal for handheld multimeters, thermometers, and other instruments that require long battery life and a stable 3.3V supply.
Wireless Sensor Nodes
Supports periodic sensor readings and RF transmissions with 300mA peak capability while keeping sleep current minimal.
- Q: What is the output voltage of the ET5H233?
- A: The fixed output voltage is 3.3V.
- 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 range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.3V at 300mA load.
- Q: What is the quiescent current?
- A: The quiescent current is extremely low at 4.5µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
ET5H233.pdf
- Q: What is the output voltage of the ET5H233?
- A: The fixed output voltage is 3.3V.
- 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 range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.3V at 300mA load.
- Q: What is the quiescent current?
- A: The quiescent current is extremely low at 4.5µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
