Manufacturer Part Number
ST1S12G12R
Manufacturer
STMicroelectronics
Introduction
The ST1S12G12R is a high-efficiency, synchronous step-down DC-DC converter integrated circuit (IC) optimized for 1.2V output voltage applications.
Product Features and Performance
Fixed 1.2V output voltage
Output current up to 700mA
Switching frequency of 1.7MHz
Wide input voltage range from 2.5V to 5.5V
High efficiency up to 95%
Internal synchronous rectifier
Thermal shutdown and overcurrent protection
Product Advantages
Compact TSOT-23-5 package
High efficiency for extended battery life
Robust protection features for reliable operation
Suitable for space-constrained applications
Key Technical Parameters
Input Voltage Range: 2.5V to 5.5V
Output Voltage: 1.2V
Output Current: 700mA
Switching Frequency: 1.7MHz
Efficiency: Up to 95%
Operating Temperature: -40°C to 125°C
Quality and Safety Features
RoHS3 compliant
Thermal shutdown and overcurrent protection
Compatibility
Wide range of applications, including portable electronics, IoT devices, and industrial equipment
Application Areas
Portable electronics
IoT devices
Industrial equipment
Low-power applications requiring a regulated 1.2V supply
Product Lifecycle
The ST1S12G12R is an active product and is not nearing discontinuation.
Replacements and upgrades are available from STMicroelectronics.
Several Key Reasons to Choose This Product
High efficiency for extended battery life
Compact TSOT-23-5 package for space-constrained designs
Robust protection features for reliable operation
Wide input voltage range and 1.2V fixed output voltage
Suitable for a variety of low-power applications