APPLICATION
The SCM9603B’s is a low voltage start up controller with built-in 85V high voltage transistor which works over a wide input voltage range from 4VDC to 85VDC.
A constant current output charges
the bypass capacitor for starting-up the controller. After the controller start-up, the SCM9603B will continue to work for a certain period of time, which helps improve the capacitive ability of the power supply.
feature list
Wide input voltage range, 4VDC to 85VDC
SOT-23 package, benefits a low-cost design
Large bypass capacitor charge current, up to 20mA
(input/output voltage delta 1V)
Output charge current >2mA at low input voltage (4V)
Adjustable start-up time set by VDD bypass capacitor
With VVDD output voltage >10V, starter IC is off
With VVDD output voltage <8V, IC restarts.
Built-in Over-temperature protection
Downloads
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