Products
Power Management
Semtech SC173A
3A EcoSpeed® Synchronous Step-Down Regulator with Automatic Power Save
The SC173A is an integrated, synchronous 3A EcoSpeed® step-down regulator, which incorporates Semtech’s advanced, patented adaptive on-time architecture to achieve best-in-class performance in dynamic point-of-load applications.
Overview
Features
- VIN: 3V to 5.5V
- VOUT: 0.75V to 95% x VIN
- IOUT: Up to 3A
- Low RDS(ON) Switches
- Up to 96% Peak Efficiency
- Enable High Threshold: 1V
- Compatible with Low Voltage Logic
- High Output Accuracy
- Small Ceramic Capacitors
- Power Good Pin (Open-Drain)
- Patented Adaptive On-Time Control:
- Excellent Transient Response
- Programmable Pseudo-fixed Frequency
- Fault Protection Features:
- Cycle-by-Cycle Current Limit
- Short Circuit Protection
- Over and Under Output Voltage Protection
- Over-Temperature
- Internal Soft start
- Smart Power Save
- Ultra-Small Lead-Free 3x3mm, 10-Pin MLPD Package
- Fully WEEE and RoHS Compliant
Applications
- Networking Equipment, Embedded Systems
- Medical Equipment, Office Automation
- Instrumentation, Portable Systems
- Consumer Devices (DTV, Set-top Box, ... )
- 5V POL Converters
Packaging
- MLPD 10-Pin Package
Order Codes
- SC173AEVB
- SC173AMLTRT - Lead Free, WEEE compliant and Halogen free