Overview
The ST1S14PHR is a high-efficiency step-down switching regulator produced by STMicroelectronics. This component is designed to provide a reliable and efficient power conversion solution for a wide range of applications. The ST1S14PHR features a compact design, making it suitable for space-constrained systems, and offers high performance with low quiescent current and high efficiency across the entire load range.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4.5 to 18 | V |
| Output Voltage Range | 0.8 to 15 | V |
| Maximum Output Current | 1.4 | A |
| Switching Frequency | 500 kHz (typical) | kHz |
| Quiescent Current | 10 μA (typical) | μA |
| Efficiency | Up to 95% | % |
| Package | SO-8, DFN8 3x3mm | |
| Operating Temperature Range | -40 to 150 | °C |
Key Features
- High efficiency up to 95%
- Low quiescent current (10 μA typical)
- Wide input voltage range (4.5 V to 18 V)
- Adjustable output voltage (0.8 V to 15 V)
- High switching frequency (500 kHz typical)
- Compact packages (SO-8, DFN8 3x3mm)
- Thermal shutdown and short-circuit protection
- Low dropout voltage
Applications
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- Telecommunication equipment
- Power supplies for embedded systems
Q & A
- What is the input voltage range of the ST1S14PHR?
The input voltage range of the ST1S14PHR is from 4.5 V to 18 V. - What is the maximum output current of the ST1S14PHR?
The maximum output current of the ST1S14PHR is 1.4 A. - What are the available packages for the ST1S14PHR?
The ST1S14PHR is available in SO-8 and DFN8 3x3mm packages. - What is the typical switching frequency of the ST1S14PHR?
The typical switching frequency of the ST1S14PHR is 500 kHz. - Does the ST1S14PHR have thermal shutdown protection?
Yes, the ST1S14PHR includes thermal shutdown and short-circuit protection. - What is the operating temperature range of the ST1S14PHR?
The operating temperature range of the ST1S14PHR is from -40°C to 150°C. - Is the ST1S14PHR suitable for automotive applications?
Yes, the ST1S14PHR is suitable for automotive applications due to its robust design and wide operating temperature range. - What is the quiescent current of the ST1S14PHR?
The quiescent current of the ST1S14PHR is 10 μA typical. - Can the output voltage of the ST1S14PHR be adjusted?
Yes, the output voltage of the ST1S14PHR can be adjusted from 0.8 V to 15 V. - What are some common applications for the ST1S14PHR?
The ST1S14PHR is commonly used in industrial control systems, automotive systems, consumer electronics, medical devices, and telecommunication equipment.
