DAT-31R5-SP+
Brand: STMicroelectronicsPackage: SMDCategory: Integrated CircuitsRoHS
The DAT-31R5-SP+ from ST is a high-efficiency power management IC designed for DC-DC conversion applications. It features integrated MOSFETs, wide input voltage range, and comprehensive protection mechanisms including over-current, over-temperature, and under-voltage lockout. With high conversion efficiency and compact packaging, it is optimized for point-of-load regulation, battery-powered devices, and industrial power systems. Packaged in SMD.
Step-Down (Buck) Converter
Function
4.5 - 40 V
Input Voltage Range
3.3 / 5.0 / Adj V
Output Voltage
3 A
Max Output Current
150 kHz
Switching Frequency
Up to 95 %
Efficiency
SMD
Package
Technical Specifications
| Function | Step-Down (Buck) Converter |
| Input Voltage Range | 4.5 - 40 V |
| Output Voltage | 3.3 / 5.0 / Adj V |
| Max Output Current | 3 A |
| Switching Frequency | 150 kHz |
| Efficiency | Up to 95 % |
| Package | SMD |
Features
- High conversion efficiency with integrated low-Rds(on) MOSFETs and synchronous rectification
- Wide input voltage range supporting diverse power sources and supply rails
- Comprehensive protection suite: over-current, over-temperature, under-voltage lockout
- Low quiescent current minimizing battery drain in standby and light-load conditions
- Compact surface-mount packaging enabling high power density PCB designs
Applications
Point-of-load DC-DC conversion for FPGA/CPU power railsBattery-powered portable and handheld consumer devicesAutomotive infotainment, ADAS, and body electronicsIndustrial 24 V/48 V power distribution and regulationTelecom and networking equipment power supply units
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