The SC4905A/B is a 10 pin BICMOS primary side voltage mode controller for use in Isolated DC-DC and off-line switching power supplies.
Feature
- Operation to 1 MHz
- Accurate programmable maximum duty cycle
- Integrated oscillator/voltage feed forward compensation
- Line voltage monitoring
- External frequency synchronization
- Bi-phase mode of operation for ripple reduction
- Under 100 µA start-up current
- Accessible reference voltage
- VDD under-voltage lockout
- -40°C to +105°C operating temperature
- 10-lead MSOP package
Applications
- Telecom equipment and power supplies
- Networking power supplies
- Power over LAN applications
- Industrial power supplies
- Isolated power supplies
Packaging
MSOP-10
Order Codes
- SC4905BIMSTR: Package Minimum Tape & Reel Only
- SC4905BIMSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
