ETEK MICROELECTRONICS ET5H133B
| 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 |
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| Product attributes | Property Value |
| Manufacturer | ETEK MICROELECTRONICS |
| Product Series | ET5H1XX |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 30V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.95V @ 150mA |
| Current - Output | 150mA |
| Current - Quiescent (Iq) | 3 µA |
| Current - Supply (Max) | - |
| PSRR | 55dB (1kHz) |
| Control Features | - |
| Protection Features | Short Circuit |
| 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 ET5H133B is a fixed 3.3V LDO regulator from ETEK MICROELECTRONICS, capable of delivering 150mA of output current. It features an ultra-low quiescent current of just 3µA, making it ideal for battery-powered and energy-harvesting applications. The dropout voltage is 0.95V at full load, and PSRR is 55dB at 1kHz. Packaged in a compact SOT-23-5, this regulator offers a simple, efficient solution for low-power designs.
- Ultra-Low Quiescent Current: 3µA Iq dramatically extends battery life in standby and active modes.
- Low Dropout: 0.95V dropout at 150mA allows operation from 5V or 4.2V Li-ion batteries.
- Compact SOT-23-5: Small footprint suitable for space-constrained PCB layouts.
- Stable 3.3V Output: Provides a reliable supply for microcontrollers and sensors.
Battery-Powered IoT Devices
The 3µA quiescent current makes the ET5H133B perfect for always-on IoT sensors, extending battery life from months to years.
Wearable Health Monitors
Heart rate monitors and activity trackers require low power consumption. This LDO provides stable 3.3V with minimal current draw.
Remote Controls
Consumer remote controls benefit from the ultra-low Iq, ensuring long shelf life and extended operation from small batteries.
Smart Home Sensors
Temperature and motion sensors in smart homes operate continuously. The 3µA quiescent current minimizes standby power consumption.
Portable Instruments
Handheld multimeters and testers need reliable 3.3V rails. The SOT-23-5 package offers a compact solution with adequate thermal performance.
Energy Harvesting Systems
Energy-harvesting applications demand minimal power draw. This regulator's low Iq ensures maximum efficiency from harvested energy.
- Q: What is the output voltage of the ET5H133B?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 150mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly provided; the dropout of 0.95V at 150mA suggests a minimum input of ~4.25V for full output.
- Q: What is the dropout voltage?
- A: Dropout is 0.95V at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is extremely low at 3 µA, ideal for battery-powered applications.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
ET5H133B.pdf
- Q: What is the output voltage of the ET5H133B?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 150mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly provided; the dropout of 0.95V at 150mA suggests a minimum input of ~4.25V for full output.
- Q: What is the dropout voltage?
- A: Dropout is 0.95V at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is extremely low at 3 µA, ideal for battery-powered applications.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
