SP689A Datasheet | SYNC POWER

DESCRIPTION The SP689A is a low cost version ultra high voltage start up IC. This IC is ideal to use in conjunction with any PWM to further reduce the standby power. By using SP689A, it can eliminate the need for startup resistors and bleeder resistors in switching mode power supply design. It would provide the users a superior AC/DC power application with higher efficiency and lower standby power. With low external ponent counts, SP689A is a low cost solution for the applications. SP689A is available in SOT-23-5L package. APPLICATIONS - AC/DC Switching Power Adaptor - Battery Charger - Open-Frame Switching Power Supply - LED Power Supply FEATURES - 700V CDMOS Process - Auto Re-Start - High-voltage start-up - Low standby power circuits - SOT-23-5L Package PIN CONFIGURATION SOT-23-5L PART MARKING 2021/08/18 Ver 1 Page 1 Ultra High Voltage Start Up TYPICAL APPLCATION CIRCUIT PIN DESCRIPTION Pin Symbol Description 1 SENSE Sense External Signal to Switch off HV MOSFET GND Ground GND Ground VCC Supply Voltage In HV Ultra High Voltage BLOCK DIAGRAM 2021/08/18 Ver 1 Page 2 Ultra High Voltage Start Up ORDERING INFORMATION Part Number Package SP689AS25RGB SOT-23-5L...