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AP1530S 数据表(PDF) 2 Page - Diodes Incorporated |
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AP1530S 数据表(HTML) 2 Page - Diodes Incorporated |
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2 / 8 page ![]() AP1530 PWM CONTROL 3A STEP-DOWN CONVERTER AP1530 Rev. 1 2 of 8 MARCH 2007 www.diodes.com © Diodes Incorporated 1 2 3 4 8 7 6 5 FB Output OCSET AP1530 Output EN Vss Vss VCC Name Pin Description FB 1 Feedback pin. EN 2 Power-off pin H: Normal operation (Step-down operation) L: Step-down operation stopped (All circuits deactivated) OCSET 3 Add an external resistor to set max output current. VCC 4 IC power supply pin Output 5、6 Switch Pin. Connect external inductor/diode here. Minimize trace area at this pin to reduce EMI. VSS 7、8 GND Pin Block Diagram Oscillation Circuit Reference Voltage Source with Soft Start PWM-Switched Control Circuit + - Vss V EN EN 100uA OCSET FB Vcc Thermal Shutdown Output Pin Assignments Pin Descriptions |
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