Products
Power Management
Semtech SC174
4A EcoSpeed®8482; Synchronous Step-Down Regulator with Optional Ultrasonic Power Save
The SC174 is an integrated, synchronous 4A 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.
For 3A EcoSpeed Synchronous Step-Down Regulator, see SC173 product page.
Overview
Features
- VIN: 3V to 5.5V
- VOUT: 0.75V to 95% x VIN
- IOUT: Up to 4A
- Low RDS(ON) Switches
- Up to 95% Peak Efficiency
- 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
- Ultrasonic Power Save
- 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 3x3
Order Codes
- SC174MLTRT - 3000 pcs, Tape and Reel, Lead-free, WEEE compliant and Halogen free.
- SC174EVB: SC174 Evaluation Board
Diagrams and Specs
Block Diagram
Click diagram to enlarge