Products
Power Management
Semtech SC1480
DDR Memory Power Supply Controller
Not Recommended for New Designs - Last Day of purchase: 5/1/11
Overview
Features
- Constant on-time for fast dynamic response
- Programmable VOUT based on external reference
- VIN range = 1.8V – 25V
- DC current sense using low-side RDS(ON) sensing or sense resistor
- 3mA reference output buffer
- Low power S3 state
- Resistor programmable frequency
- Cycle-by-cycle current limit
- Digital soft start
- Output current source-sink capability
- Overvoltage/under-voltage fault protection and PGOOD output
- Under 10uA typical shutdown current
- Low quiescent power dissipation
- 14-Pin TSSOP package. Also available in Lead-free package which is fully WEEE and RoHS compliant
- Industrial temperature range
- Integrated gate drivers with soft switching
- Efficiency >90%
Packaging
TSSOP-14
Order Codes
- SC1480ITSTR: Package Minimum Tape & Reel Only
- SC1480ITSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
Diagrams and Specs
Block Diagram
Click diagram to enlarge