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STC6105 bảng dữ liệu(PDF) 2 Page - Suntac Electronic Corp. |
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STC6105 bảng dữ liệu(HTML) 2 Page - Suntac Electronic Corp. |
2 / 10 page Product Specification - 2 - ORDERING INFORMATION Part Number Package STC6105 20-Pin DIP PIN DESCRIPTIONS Name Pin Type Function VCC 20 Supply Supply voltage. 4.5V ~ 5.5V. It is connected to 5V-standby. PG 10 Logic output Power Good logic output, 0 or 1 (open-collector). PG = 1 means that the power is good for operation. The PG delay is 300 msec. V33 2 Analog input 3.3V over-voltage/under-voltage control sense input. V5 3 Analog input 5V over-voltage/under-voltage control sense input. V12 7 Analog input 12V over-voltage/under-voltage control sense input. OPP 4 Analog input Over-power sense input. This pin is connected to driver transformer or the output of current transformer. When not in use, this pin should be grounded. PSON 1 Logic input Remote On/Off logic input for CPU or controller. Turn on/off the PWM Output after the 7.5 msec / 26 msec delay. PSON = 0 means that the main SMPS is operational. PSON =1 means that the main SMPS is off and the latch is reset. NVP 6 Analog input The protection input for negative output, such as –12V and/or –5V. Trip voltage = 2.1V. UVAC 5 Analog input AC fail detection, detect main AC voltage under-voltage and/or failure. COMP 16 Analog output Error amplifier output and the input of the PWM comparator. IN 17 Analog input The negative input of error amplifier. The positive input of error amplifier is a 2.5V reference voltage. SS 18 Analog input The soft-start. It is settable through external capacitor. The current source output at this pin is 8uA and the voltage is clamped at 2.5V. OP1/OP2 9/8 Analog output The totem-pole output drivers of push-pull PWM. The output are enabled (low) only when the NAND gate inputs are high, the maximum duty cycle on an output (OP1 or OP2) is 46%. FB1 14 Analog output Output for first converter regulation loop. VREF1 13 Analog input Reference comparison input for first converter regulation loop. 2.5V. FB2 11 Analog output Output for second converter regulation loop. VREF2 12 Analog input Reference comparison input for second converter regulation loop. 2.5V. RI 19 Program. Analog input Connected to external resistor for the reference setting. RI = 75k ohms. GND 15 Supply Ground. STC6105 Power Supply Supervisor + Regulator + PWM |
Số phần tương tự - STC6105 |
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Mô tả tương tự - STC6105 |
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