ETEK MICROELECTRONICS ET5H233B
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.15 | $0.15 |
| 15+ | $0.15 | $2.25 |
| 25+ | $0.14 | $3.50 |
| 50+ | $0.14 | $7.00 |
| 100+ | $0.12 | $12.00 |
| N+ | $0.02 | 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 ET5H233B is a fixed 3.3V low dropout linear regulator designed for ultra-low power applications. With a maximum output current of 300mA and an exceptionally low quiescent current of 4.5 µA, it is ideal for battery-powered and energy-conscious designs. The SOT-23-5 package offers a compact footprint, while the 1.3V dropout voltage at full load ensures efficient operation. This regulator delivers stable 3.3V power with 60dB PSRR at 1kHz, making it suitable for portable and IoT devices.
- Ultra-Low Quiescent Current: 4.5 µA extends battery life in standby and always-on applications.
- Compact SOT-23-5 Package: Saves PCB space for miniaturized designs.
- Low Dropout Voltage: 1.3V dropout enables operation from low input voltages.
- Stable Output: 60dB PSRR at 1kHz provides clean power for sensitive electronics.
Wearable Electronics
Perfect for smartwatches and fitness trackers where battery life is critical. The 4.5 µA quiescent current minimizes standby power consumption.
IoT Sensor Nodes
Powers wireless sensors and microcontrollers in always-on IoT devices. The low quiescent current extends battery life between transmissions.
Portable Medical Devices
Provides stable 3.3V for glucose monitors and pulse oximeters. The small SOT-23-5 package fits compact PCB designs.
Battery-Powered Remote Controls
Ideal for remote controls and wireless peripherals. The low dropout voltage allows operation from nearly depleted batteries.
Energy Harvesting Systems
Works with low-power energy sources. The 4.5 µA quiescent current ensures minimal load on harvested energy.
Standby Power Circuits
Maintains voltage for RTCs and memory in standby mode. The ultra-low quiescent current keeps total system power draw minimal.
- Q: What is the output voltage of the ET5H233B?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA of output current.
- Q: What is the input voltage range?
- A: The input voltage must be above 3.3V plus dropout; typically 4.6V or higher.
- Q: What is the dropout voltage?
- A: Dropout voltage is 1.3V at 300mA load.
- Q: What is the quiescent current?
- A: Ultra-low quiescent current of only 4.5 µA, ideal for battery-powered applications.
- Q: What package is available?
- A: It comes in a compact SOT-23-5 package.
ET5H233B.pdf
- Q: What is the output voltage of the ET5H233B?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA of output current.
- Q: What is the input voltage range?
- A: The input voltage must be above 3.3V plus dropout; typically 4.6V or higher.
- Q: What is the dropout voltage?
- A: Dropout voltage is 1.3V at 300mA load.
- Q: What is the quiescent current?
- A: Ultra-low quiescent current of only 4.5 µA, ideal for battery-powered applications.
- Q: What package is available?
- A: It comes in a compact SOT-23-5 package.
