參數(shù)資料
型號: UC3842BVD1R2
英文描述: I2C BUS-CONTROLLED MULTISTANDARD SINGLE CHIP TV PROCESSOR
中文描述: 模擬IC
文件頁數(shù): 11/20頁
文件大?。?/td> 296K
代理商: UC3842BVD1R2
UC3842B, UC3843B, UC2842B, UC2843B, NCV3843BV
http://onsemi.com
11
Figure 20. Continuous Current Waveforms
2(3)
EA
Bias
+
Osc
R
R
R
2R
5(9)
1(1)
4(7)
8(14)
R
T
C
T
V
ref
0.01
The diode clamp is required if the Sync amplitude is large enough to cause the bottom
side of C
T
to go more than 300 mV below ground.
External
Sync
Input
47
+
R
R
R
2R
Bias
Osc
EA
5(9)
1(1)
2(3)
4(7)
8(14)
To Additional
UCX84XBs
R
S
Q
8
4
6
5
2
1
C
3
7
R
A
R
B
5.0k
5.0k
5.0k
MC1455
f
1.44
2RB)C
(RA
D(max)
RB
RA
2RB
+
-
5.0V Ref
+
-
S
R
Q
Bias
+
Osc
R
R
R
2R
EA
1.0V
5(9)
7(11)
6(10)
5(8)
3(5)
R
S
Q1
V
CC
V
in
1(1)
2(3)
4(7)
8(14)
R
1
V
Clamp
R
2
7(12)
Comp/Latch
1.0 mA
Ipk(max)
VClamp
RS
Where: 0
V
Clamp
1.0 V
V
Clamp
1.67
R2
R1
1
+ 0.33x10
-3
R1R2
R1
R2
Control Voltage
Inductor
Current
Oscillator Period
Control Voltage
Inductor
Current
Oscillator Period
(A)
(B)
m
1
m
2
t
0
t
1
t
2
t
3
m
3
m
2
t
4
t
5
t
6
I
m
1
I
l
lm2
m1
l
lm2
m1
m2
m1
Figure 21. External Clock Synchronization
Figure 22. External Duty Cycle Clamp and
Multi–Unit Synchronization
Figure 23. Adjustable Reduction of Clamp Level
相關(guān)PDF資料
PDF描述
UC3842BVDR2 I2C BUS-CONTROLLED MULTISTANDARD SINGLE CHIP TV PROCESSOR
UC3843BD1R2 10-line IPAD", EMI filter and ESD protection
UC3843BDR2 1-bit dual supply bus buffer level translator with A-side series resistor
UC3843BVD1R2 2-bit dual supply bus transceiver level translator with a side series resistor
UC3843BVDR2 4-bit dual supply bus buffer level translator with A side series resistor
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UC3842BVD1R2G 功能描述:電流型 PWM 控制器 52kHz 1A Current PWM w/96% Duty Cycle Max RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
UC3842BVDR2 功能描述:電流型 PWM 控制器 52kHz 1A Current PWM RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
UC3842BVDR2G 功能描述:電流型 PWM 控制器 52kHz 1A Current PWM w/96% Duty Cycle Max RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
UC3842BVN 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:HIGH PERFORMANCE CURRENT MODE CONTROLLERS
UC3842CD 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC