參數(shù)資料
型號: S6520
廠商: AUK Corp
英文描述: LCD Back Light Inverter with Analog Dimming
中文描述: 液晶背光逆變器與模擬調(diào)光
文件頁數(shù): 2/6頁
文件大小: 329K
代理商: S6520
KSI-8019-000
2
S6520
Internal Block Diagram
Ct1
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Symbol
CT1
SS
OLR1
FB1
CMP1
ENA
OUT1
GND
VCC
OUT2
ADIM
CMP2
FB2
OLR2
CT2
REF
I/O
I
I
I
I
-
I
O
-
I
O
-
-
I
I
I
O
Pin Function Description
Frequency Trimming Capacitor for Main Frequency Setting 1
Initial Soft Start
Open Lamp Regulation 1
Feedback 1 (Error Amplifier Negative Input)
Error Amplifier Output 1
ON/OFF Control Pin. TTL Signal is Applicable.
Output Drive1
Ground
Supply Voltage
Output Drive 2
Analog Dimming Input
Error Amplifier Output 2
Feedback 2 (Error Amplifier Negative Input)
Open Lamp Regulation 2
Frequency Trimming Capacitor for Main Frequency Setting 2
Reference Voltage (VREF) = 5V
OUT1
7
Output 1
5V Vref
Internal
bias
ENA
+
-
1.4V
ena
6
Enable Switch
Vcc
9
1
Ct2
15
-
+
Vref
Oscillator1
FB1
4
ADIM
11
CMP1
5
+
-
+
Comparator 1
7V Vz
+
-
+
+
Vref
Amplifier 1
OUT2
Short Circuit Protection
10
GND
8
Shut Down Signal to Output
Output 2
-
n*Vref
OLR1
3
OLR2
14
+
+
FB2
13
Amplifier 2
+
+
-
CMP2
12
+
+
-
SS
2
Comparator 2
+
Vref
reset signal from bias
S
Q
R
iss
-
+
Vref
Oscillator2
from FB1
from FB2
-
Vref
+
+
regulation signal
to COMP1, COMP2
Open Lamp Regulation
REF
16
delay timer
10us
PIN Collection
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