Pin Description

Pin No.

I/O1

Names

Description

 

 

 

 

1

I

VSEN

Voltage Sense Feedback

 

 

 

 

2

I/O

SSTCMP

Capacitor for Soft-Start and Loop Compensation

 

 

 

 

3

I/O

CT

Timing Resistor and Capacitor for Operation and Striking Frequency

 

 

 

 

4

I/O

RT1

Timing Resistor for Striking Frequency

 

 

 

 

5

---

GNDA

Signal Ground

 

 

 

 

6

O

PDR2

High Side Driver Output 2

 

 

 

 

7

---

GNDP

Power Ground

 

 

 

 

8

O

NDR2

Low Side Driver Output 2

 

 

 

 

9

O

NDR1

Low Side Driver Output 1

 

 

 

 

10

O

PDR1

High Side Driver Output 1

 

 

 

 

11

---

VDDA

Input Power Pin

 

 

 

 

12

I/O

TIMER

Timing Capacitor for Delay Timer

 

 

 

 

13

I

PWM

External PWM Dimming Input

 

 

 

 

14

I

ISEN

Current Sense Feedback

 

 

 

 

15

I

OVPT

Over-Voltage Protection Threshold Voltage

 

 

 

 

16

I

ENA

IC Enable/Disable

 

 

 

 

23

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ViewSonic VSXXXXX service manual Pin Description Pin No Names