Products
Power Management
Semtech SC2453
High-Performance Quad-Output Switching Regulator
Not recommended for new designs.
Overview
Features
- Two synchronized converters for low noise
- Power-up sequencing to prevent latch-up
- Out-of-phase operation for low input ripple
- Over-current protection
- Wide input range, 4.5 V to 30 V
- Programmable frequency up to 700 kHz
- Two synchronous bucks for high efficiency at high current
- One dedicated programmable positive linear regulator and one dedicated programmable negative linear regulator
- Output voltage as low as 0.5 V
- Small TSSOP-28 package
Applications
- DSL applications with multiple input voltage requirements
- Mixed-signal applications requiring positive and negative voltages
- Cable modem power management
- Base station power management
Packaging
- TSSOP-28
Order Codes
- SC2453ITSTR: Package Minimum Tape & Reel Only
- SC2453ITSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
Diagrams and Specs
Block Diagram
Click diagram to enlarge