STR-S6707 THRU STR-S6709
OFF-LINE SWITCHING
REGULATORS – WITH BIPOLAR SWITCHING
TRANSISTOR
COLLECTOR 1
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COMMON
2
FAULT
The STR-S6707, STR-S6708, and STR-S6709 are specifically designed to meet the requirement for increased integration and reliability in off-line quasi-resonant flyback converters.
These devices incorporate the primary control and proportional drive circuit with a thirdgeneration high-voltage bipolar switching
transistor.
S
DRIVE FAULT LATCH
Data Sheet 28113†
BASE
3
SINK
4
OSC.
R DRIVE OVER-CURRENT PROTECTION FDBK 5
Crucial system parameters such as maximum ON time and OFF time are fixed during manufacture.
Local control circuit decoupling and l...