ETEK MICROELECTRONICS ET5H133
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.14 | $0.14 |
| 15+ | $0.14 | $2.10 |
| 25+ | $0.14 | $3.50 |
| 50+ | $0.13 | $6.50 |
| 100+ | $0.11 | $11.00 |
| N+ | $0.02 | Price Inquiry |
Request Quote / Inquiry
| 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 ET5H133 is a fixed 3.3V low dropout linear regulator from ETEK Microelectronics, delivering up to 150mA of output current. Its ultra-low 3 µA quiescent current and 0.95V dropout voltage make it an excellent choice for battery-powered and portable applications. The SOT-23-5 package offers a compact footprint for space-constrained designs, while 55dB PSRR at 1kHz ensures stable operation in noise-sensitive circuits.
- Extended Battery Life: Ultra-low 3 µA quiescent current minimizes standby power consumption in portable devices.
- Stable 3.3V Output: Fixed output voltage with 150mA current capability suits low-power microcontrollers and sensors.
- Compact SOT-23-5 Package: Small footprint enables high-density PCB layouts for miniaturized electronics.
- Good Noise Rejection: 55dB PSRR at 1kHz filters supply noise for cleaner power delivery.
Battery-Powered IoT Sensors
The ultra-low 3 µA quiescent current significantly extends battery life in always-on IoT sensor nodes, where the regulator maintains a stable 3.3V rail for microcontrollers and sensors during sleep and active modes.
Wearable Electronics
With a compact SOT-23-5 package and 150mA capability, the ET5H133 is ideal for space-constrained wearables like smartwatches and fitness trackers, providing a clean 3.3V supply for low-power processors and Bluetooth modules.
Portable Medical Devices
The low dropout voltage of 0.95V ensures efficient operation from a 3.7V Li-ion battery down to near 4.2V, maintaining a stable 3.3V output for sensitive medical monitoring circuits.
Energy Harvesting Systems
In energy harvesting applications with limited current, the ET5H133's low quiescent current and 150mA output support intermittent operation of wireless transmitters and microcontrollers from a 3.3V rail.
Reference Voltage for ADC
The 55dB PSRR at 1kHz helps reject power supply noise, making the ET5H133 suitable as a clean 3.3V reference for analog-to-digital converters in measurement equipment.
- Q: What is the output voltage of the ET5H133?
- A: The ET5H133 provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: It can deliver up to 150mA of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the official datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.95V at a 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is a very low 3 µA, making it ideal for battery-powered applications.
- Q: What package is available?
- A: The ET5H133 is available in a SOT-23-5 package.
ET5H133.pdf
- Q: What is the output voltage of the ET5H133?
- A: The ET5H133 provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: It can deliver up to 150mA of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the official datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.95V at a 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is a very low 3 µA, making it ideal for battery-powered applications.
- Q: What package is available?
- A: The ET5H133 is available in a SOT-23-5 package.
