Not Recommended for New Designs
Not recommended for new designs.
The SC173 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.
For 4A EcoSpeed Synchronous Step-Down Regulator, see SC174 product page.
- VIN: 3V to 5.5V
- VOUT: 0.75V to 95% x VIN
- IOUT: Up to 3A
- 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
- Internal Soft start
- Ultrasonic Power Save
- Smart Power Save
- Ultra-Small Lead-Free 3x3mm, 10-Pin MLPD Package
- Fully WEEE and RoHS Compliant
- Networking Equipment, Embedded Systems
- Medical Equipment, Office Automation
- Instrumentation, Portable Systems
- Consumer Devices (DTV, Set-top Box, ... )
- 5V POL Converters
- MLPD-10 3x3
- SC173MLTRT - 3000 pcs, Tape and Reel, WEEE and RoHS Compliant
- SC173EVB: SC173 Evaluation Board
(-40°C to +85°C / 4000 cycles)
(50°C, 4000 Hrs)
Datasheets & Documentation
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