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Power Management ICs
Isolated PWM Controllers
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SC4809A
SC4809A: High-Performance Bi-Phase Current-Mode PWM Controller
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Features
Operation to 1 MHz
Accurate programmable maximum duty cycle
Line voltage monitoring
External frequency synchronization
Bi-phase mode of operation for low ripple
Under 100 µA start-up current
Accessible reference voltage
VDD under-voltage lockout
-40°C to 105°C operating temperature
10-lead MSOP package
Diagrams
Typical Application Circuit
Click diagram to enlarge
Applications
Telecom equipment and power supplies
Networking power supplies
Power over LAN applications
Industrial power supplies
Isolated power supplies
Packaging
MSOP-10
Order Codes
SC4809AIMSTR: Package Minimum Tape & Reel Only
SC4809AIMSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
Datasheets
SC4809A Datasheet
(PDF 324KB, 11/05)