Products
Power Management
Semtech SC4806
Multiple Function Double Ended PWM Controller
The SC4806 is a double ended, high speed, highly integrated PWM controller optimized for applications requiring minimum space. The device is easily configurable for current mode or voltage mode operation and contains all the control circuitry required for isolated applications, where a secondary side error amplifier is used.
Overview
Features
- 90 µA starting current
- Pulse-by-pulse current limit for both voltage/current modes
- Programmable operating frequency up to 1MHz
- Programmable external soft start
- Programmable line undervoltage lockout
- Programmable external slope compensation
- Over current shutdown with separate pin
- Dual output drive stages on push-pull configuration
- Programmable mode of operation (peak current mode or voltage mode)
- External frequency synchronization
- Bi-phase mode of operation
- -40 to 105 °C operating temperature
- Lead free MLP-12 package, WEEE and RoHS compliant
Applications
- Telecom equipment and power supplies
- Networking power supplies
- Industrial power supplies
- Push-pull converter
- Half bridge converter
- Full bridge converter
- Isolated VRMs
Packaging
MLPQ-12
Order Codes
- SC4806MLTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel
Diagrams and Specs
Block Diagram
Click diagram to enlarge