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SCM9603BTA

Mornsun
SCM9603B Low voltage start-up controller Package Features         Wide input voltage range, 4VDC to 85VDC Small 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, starte...
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Тип Low voltage start-up controller
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SCM9603B Low voltage start-up controller Package Features         Wide input voltage range, 4VDC to 85VDC Small 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 Mechanical package: SOT-23 (see “Ordering information” for details). Applications  Wide input range（4VDC~85VDC）DC-DC converters Functional Description The SCM9603B’s built-in 85V high voltage transistor 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 is beneficial to improve the capacitive ability of the power supply. To avoid the damage to the controller and the entire system, the SCM9603B can sense the appropriate protection mode if the VDD bypass capacitor is too small or when the power supply output is in short-circuit. Typical Application Circuit VER.A4 2021.12 Page 1 of 6 MORNSUN Guangzhou Science & Technology Co.,Ltd.reserves the copyright and right of finalinterpretation 1 PDF
Документация на SCM9603BTA 

SCM603B-EN SCM9603B Low voltage start-up controller

Дата модификации: 27.12.2021

Размер: 1.97 Мб

6 стр.

SCM9603B Low voltage start-up controller Package Features         Wide input voltage range, 4VDC to 85VDC Small 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 Mechanical package: SOT-23 (see “Ordering information” for details). Applications  Wide input range（4VDC~85VDC）DC-DC converters Functional Description The SCM9603B’s built-in 85V high voltage transistor 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 is beneficial to improve the capacitive ability of the power supply. To avoid the damage to the controller and the entire system, the SCM9603B can sense the appropriate protection mode if the VDD bypass capacitor is too small or when the power supply output is in short-circuit. Typical Application Circuit VER.A3 2019.07 1 Page 1 of 6 PDF
Документация на SCM9603BTA 

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Дата модификации: 25.12.2019

Размер: 1.28 Мб

6 стр.

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