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SD6109 Fiches technique(PDF) 5 Page - Silan Microelectronics Joint-stock |
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SD6109 Fiches technique(HTML) 5 Page - Silan Microelectronics Joint-stock |
5 / 10 page SD6109 HANGZHOU SILAN MICROELECTRONICS CO.,LTD REV:1.1 2009.02.23 Http://www.silan.com.cn Page 5 of 11 PIN DESCRIPTIONS Pin No. Pin Name I/O Description 1 PSON I Remote switch input for CPU or controller. Control the PWM Output. 2 V33 I 3.3V over-voltage/under-voltage control sense input. 3 V5 I 5V over-voltage/under-voltage control sense input. 4 OPP I Over-power sense input. 5 UVAC I AC fail detection. 6 NVP I The protection input for negative output. 7 V12 I 12V over-voltage/under-voltage control sense input. 8 OP2 O The totem-pole output drivers of push-pull PWM. The maximum duty cycle (OP1 or OP2) is 46%. 9 OP1 O The totem-pole output drivers of push-pull PWM. 10 PG O PG logic output, 0 or 1 (open-collector). PG=1 means that the power is good for operation. 11 FB2 O Output of second converter regulation loop. 12 VREF2 I Reference comparison input for second converter regulation loop. 2.5V. 13 VREF1 I Reference comparison input for first converter regulation loop. 2.5V. 14 FB1 O Output of first converter regulation loop. 15 GND - Ground. 16 COMP I/O Error amplifier output and the input of the PWM comparator. 17 IN I The negative input of error amplifier. The positive input of error amplifier is connected to 2.5V reference voltage. 18 SS I/O The soft-start. It is settable through external capacitor. The current source output at this pin is 5.7uA and the voltage is clamped at 2.5V. 19 RI I Connected to external resistor for the reference setting. 20 VCC - Supply voltage. It is connected to 5V-standby. |
Numéro de pièce similaire - SD6109 |
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Description similaire - SD6109 |
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