Input range 40 - 700V dc
Ouput current 4mA
Tamb: -40°C to +150°C
Dims: SMT SOT23
Ultra-high Voltage Start-up controller
Very low cost
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The SCM9601A is a low cost dc start up control IC with a built-in 700V high voltage transistor that can operate with input voltages from 40VDC up to 700VDC.
The output is a constant charging current into the bypass capacitor of the switching power supply to start the controller chip. After the controller started up, the starter continues to deliver power for some time and increases the capacitive load capability of the power supply.
The SCM9601A can also be used in
combination with the SCM9602A to increase the input voltage even further covering a range from 40VDC up to 5,000VDC.
Ideal for applications requiring an ultra-wide input
voltage range (40VDC to 5000VDC)
Low-cost design featuring large starting current in
small physical package
Output short circuit sleep time that can be adjusted
through the VDD bypass capacitance
Charging voltage limit of VDD
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