Description
CURRENT MODE PWM CONTROLLER .
SD4870 is a current mode PWM controller IC for high performance, low standby power offline flyback converter application.
Features
* Frequency shuffling to improve EMI performance
* Light Load Mode for minimum standby power
* External programmable switching frequency
* 3uA low startup current
* Internal LEB circuit
* VDD over voltage and under voltage protection
* Gate output maximum voltage clamp
Applications
* Battery Chargers
* Adapters
* Set-Top Box Power Supplies
ORDERING INFORMATION
Part No. SD4870TR SD4870A SD4870C SD4870CTR Package SOT-23-6L DIP-8-300-2.54 SOP-8-225-1.27 SOP-8-225-1.27 4870 SD4870A SD4870C SD4870C Marking Material Pb free Pb free Pb free Pb free Packing Type Tape & Re