ADVANCE DATASHEET
Datasheet
Current Mode PWM Controller
Pin Configuration
Package: SOP-8
GND
GATE
1
8
FB
VIN
RI
7
6
2
3
VDD
SENSE
NC
4
5
Figure 2. Pin Configuration
Pin No.
Pin Name
Function
1
GND
Ground
Feedback input pin. The PWM duty cycle is determined by voltage level into this pin and
2
3
4
FB
VIN
RI
SENSE pin input
Connected through a large value resistor to rectified line input for startup IC supply
Internal Oscillator frequency setting pin. A resistor connected between RI and GND set
the PWM frequency
5
6
7
8
NC
-
SENSE
VDD
Current sense input pin. Connected to MOSFET current sensing resistor node
Chip DC power supply pin
GATE
Totem-pole gate drive output for the power MOSFET
Table 1. Pin Description
December, 2013 Rev. 1.1
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
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