參數(shù)資料
型號(hào): UC3842BVD1R2
英文描述: I2C BUS-CONTROLLED MULTISTANDARD SINGLE CHIP TV PROCESSOR
中文描述: 模擬IC
文件頁(yè)數(shù): 9/20頁(yè)
文件大?。?/td> 296K
代理商: UC3842BVD1R2
UC3842B, UC3843B, UC2842B, UC2843B, NCV3843BV
http://onsemi.com
9
+
-
Reference
Regulator
V
CC
UVLO
+
-
V
ref
UVLO
3.6V
36V
S
R
Q
Internal
Bias
+ 1.0mA
Oscillator
2.5V
R
R
R
2R
Error
Amplifier
Voltage
Feedback
Input
Output/
Compensation
Current Sense
Comparator
1.0V
V
CC 7(12)
Gnd 5(9)
V
C
7(11)
Output
6(10)
Power Ground
5(8)
Current Sense Input
3(5)
R
S
Q1
V
CC
V
in
1(1)
2(3)
4(7)
8(14)
R
T
C
T
V
ref
= Sink Only Positive True Logic
Pin numbers adjacent to terminals are for the 8-pin dual-in-line package.
Pin numbers in parenthesis are for the D suffix SO-14 package.
Figure 18. Representative Block Diagram
Figure 19. Timing Diagram
Large R
T
/Small C
T
Small R
T
/Large C
T
PWM
Latch
(See
Text)
Capacitor C
T
Latch
Set" Input
Output/
Compensation
Current Sense
Input
Latch
Reset" Input
Output
相關(guān)PDF資料
PDF描述
UC3842BVDR2 I2C BUS-CONTROLLED MULTISTANDARD SINGLE CHIP TV PROCESSOR
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