Manufacturer: STMicroelectronics

Key Specifications

• Package: TSOT23-5
• Output Current: 700mA
• Output Voltage: Adjustable
• Input Voltage: To be verified
• Switching Frequency: To be verified
• Operating Temperature: To be verified

The ST1S12GR is a compact, high-efficiency step-down (buck) DC-DC converter designed by STMicroelectronics. It delivers a continuous output current of up to 700mA and features an adjustable output voltage, making it suitable for a wide range of low-power applications. The device is housed in a space-saving TSOT23-5 package, ideal for space-constrained designs.

Key Features

• Output current capability: 700mA
• Adjustable output voltage (external resistor divider)
• Input voltage range: to be verified (refer to datasheet)
• Switching frequency: to be verified (optimized for efficiency)
• High efficiency over load range
• Low quiescent current for battery-powered devices
• Thermal shutdown and current limit protection
• Small TSOT23-5 package for compact PCB layout

Applications

• Portable and battery-powered equipment
• Consumer electronics
• Industrial control systems
• Point-of-load (POL) regulation
• Distributed power architectures

Selection Guide

When selecting the ST1S12GR, consider the required output voltage (set by external resistors), input supply range, and load current. Ensure input and output capacitors are chosen according to the datasheet recommendations for stability and transient response. For detailed specifications, refer to the official ST datasheet.