ETEK MICROELECTRONICS ET5H218
| 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 | ET5H2XX |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.65V @ 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 ET5H218 is a fixed 1.8V LDO regulator from ETEK Microelectronics, capable of delivering 300mA. Housed in a standard SOT-23-5 package, it offers a balanced solution with 4.5 µA quiescent current and 60dB PSRR at 1kHz. While the dropout voltage is 1.65V at full load, it is well-suited for applications with adequate input headroom, such as 3.3V to 1.8V conversion.
- Cost-Effective Package: SOT-23-5 is widely available and easy to assemble, reducing manufacturing costs.
- Moderate Efficiency: 4.5 µA quiescent current balances performance with battery conservation.
- Good Noise Rejection: 60dB PSRR at 1kHz filters common switching noise.
- High Current: 300mA output supports a wide range of digital loads.
Digital Core Power
Providing a stable 1.8V rail for MCU and FPGA cores, the 300mA capability supports moderate digital loads with 60dB PSRR at 1kHz.
Battery-Powered Peripherals
The 4.5 µA quiescent current makes it suitable for battery-operated devices like remote controls and calculators.
Automotive Interior Lighting
SOT-23-5 package and 1.8V output are ideal for LED driver control logic in automotive ambient lighting systems.
Industrial Control Interfaces
Stable 1.8V output for RS-232 or CAN transceiver logic levels, with 60dB PSRR filtering industrial noise.
Consumer Electronics
Used in set-top boxes and gaming controllers to power low-voltage logic from a 3.3V or 5V bus.
Test & Measurement Equipment
Reliable 1.8V reference for ADC/DAC circuits, ensuring accurate readings with low noise.
- Q: What is the output voltage?
- A: The ET5H218 provides a fixed 1.8V output voltage.
- 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 should be above 1.8V plus dropout; typical operation is from 3.45V or higher.
- Q: What is the dropout voltage?
- A: Dropout is 1.65V at 300mA, which is relatively high, so a sufficient input margin is required.
- Q: What is the quiescent current?
- A: Quiescent current is 4.5 µA, balancing performance and efficiency.
- Q: What is the package?
- A: It comes in a standard SOT-23-5 package, easy to solder and widely available.
ET5H218.pdf
- Q: What is the output voltage?
- A: The ET5H218 provides a fixed 1.8V output voltage.
- 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 should be above 1.8V plus dropout; typical operation is from 3.45V or higher.
- Q: What is the dropout voltage?
- A: Dropout is 1.65V at 300mA, which is relatively high, so a sufficient input margin is required.
- Q: What is the quiescent current?
- A: Quiescent current is 4.5 µA, balancing performance and efficiency.
- Q: What is the package?
- A: It comes in a standard SOT-23-5 package, easy to solder and widely available.
