Overview
The ST1S10BPHR is a high-efficiency Buck Switching Regulator IC from STMicroelectronics, designed for positive adjustable output voltage regulation. This device features a step-down topology with an adjustable output voltage range of 0.8V to 16.2V and a maximum output current of 3A. It operates over a wide input voltage range of 2.5V to 18V and has a switching frequency of up to 900kHz. The synchronous rectifier technology ensures high power conversion efficiency, making it suitable for powering various electronic devices such as laptops, smartphones, and other portable equipment.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Status | Active | Function | Step-Down |
| Output Configuration | Positive | Topology | Buck |
| Output Type | Adjustable | Number of Outputs | 1 |
| Voltage - Input (Min) | 2.5V | Voltage - Input (Max) | 18V |
| Voltage - Output (Min/Fixed) | 0.8V | Voltage - Output (Max) | 16.2V |
| Current - Output | 3A | Frequency - Switching | 900kHz |
| Synchronous Rectifier | Yes | Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Package / Case | 8-PowerSOIC (0.154", 3.90mm Width) |
Key Features
- Positive adjustable output voltage up to 16.2V
- Output current of up to 3A
- Synchronous rectifier for high efficiency
- Wide input voltage range from 2.5V to 18V
- High-frequency operation up to 900kHz
- Compact design with PowerSO-8 package
- Internal soft start and dynamic short-circuit protection
- Typical efficiency: 90%
- Standby supply current: max. 6 μA over temperature range
Applications
- Powering laptops and other portable equipment
- Regulating voltage for electronic devices such as smartphones and tablets
- Providing power supply for industrial control systems and automation applications
- Telecommunications equipment
- Computing systems and peripherals
- Consumer electronics and appliances
Q & A
- What is the ST1S10BPHR?
The ST1S10BPHR is a Buck Switching Regulator IC from STMicroelectronics designed for positive adjustable output voltage regulation. - What is the output voltage range of the ST1S10BPHR?
The output voltage range is adjustable from 0.8V to 16.2V. - What is the maximum output current of the ST1S10BPHR?
The maximum output current is 3A. - What is the input voltage range of the ST1S10BPHR?
The input voltage range is from 2.5V to 18V. - What is the switching frequency of the ST1S10BPHR?
The switching frequency is up to 900kHz. - Does the ST1S10BPHR have synchronous rectification?
Yes, it features synchronous rectifier technology for high power conversion efficiency. - What is the operating temperature range of the ST1S10BPHR?
The operating temperature range is from -40°C to 125°C (TJ). - In what package is the ST1S10BPHR available?
The ST1S10BPHR is available in an 8-PowerSOIC (0.154", 3.90mm Width) package. - What are some typical applications of the ST1S10BPHR?
It is used in powering laptops, smartphones, telecommunications equipment, computing systems, and consumer electronics. - Does the ST1S10BPHR have built-in protection features?
Yes, it includes internal soft start and dynamic short-circuit protection.
