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| 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)： | 4/20頁(yè) |
| 文件大?。?/td> | 296K |
| 代理商： | UC3842BVD1R2 |
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UC3842B, UC3843B, UC2842B, UC2843B, NCV3843BV
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS
(V
CC
= 15 V [Note 8], R
T
= 10 k, C
T
= 3.3 nF, for typical values T
A
= 25
°
C, for min/max values
T
A
is the operating ambient temperature range that applies [Note 9], unless otherwise noted.)
UC284XB
UC384XB, BV
Characteristics
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
PWM SECTION
Duty Cycle
Maximum (UC284XB, UC384XB)
Maximum
(UC384XBV)
Minimum
DC
(max)
DC
(min)
94
–
–
96
–
–
–
–
0
94
93
–
96
96
–
–
–
0
%
TOTAL DEVICE
Power Supply Current
Startup (V
CC
= 6.5 V for UCX843B,
Startup
(V
CC
14 V for UCX842B, BV)
Operating (Note 8)
I
CC
+ I
C
–
–
0.3
12
0.5
17
–
–
0.3
12
0.5
17
mA
Power Supply Zener Voltage (I
CC
= 25 mA)
8. Adjust V
CC
above the Startup threshold before setting to 15 V.
9. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
T
low
= 0
°
C for UC3842B, UC3843B; –25
°
C for UC2842B, UC2843B; –40
°
C for UC3842BV, UC3843BV
T
= +70
°
C for UC3842B, UC3843B; +85
°
C for UC2842B, UC2843B; +105
°
C for UC3842BV, UC3843BV
NCV3843BV: T
low
= –40
°
C, T
high
= +125
°
C. Guaranteed by design. NCV prefix is for automotive and other applications requiring site and
change control.
V
Z
30
36
–
30
36
–
V
0.8
2.0
5.0
8.0
20
50
80
R
1.0 M
500 k
200 k
100 k
50 k
20 k
10 k
f
OSC
, OSCILLATOR FREQUENCY (kHz)
V
CC
= 15 V
T
A
= 25
°
C
Figure 2. Timing Resistor
versus Oscillator Frequency
Figure 3. Output Deadtime
versus Oscillator Frequency
1.0 M
500 k
200 k
100 k
50 k
20 k
10 k
f
OSC
, OSCILLATOR FREQUENCY (kHz)
1.0
2.0
5.0
10
20
50
100
%
1
2
Figure 4. Oscillator Discharge Current
versus Temperature
Figure 5. Maximum Output Duty Cycle
versus Timing Resistor
,
d
I
7.0-55
T
A
, AMBIENT TEMPERATURE (
°
C)
-25
0
25
50
75
100
125
7.5
8.0
8.5
9.0
V
CC
= 15 V
V
OSC
= 2.0 V
,
m
D
400.8
R
T
, TIMING RESISTOR (k
)
1.0
2.0
3.0
4.0
5.0 6.0 7.0 8.0
50
60
70
80
90
100
I
dischg
= 7.5 mA
V
CC
= 15 V
C
T
= 3.3 nF
T
A
= 25
°
C
1. C
T
= 10 nF
2. C
T
= 5.0 nF
3. C
T
= 2.0 nF
4. C
T
= 1.0 nF
5. C
T
= 500 pF
6. C
T
= 200 pF
7. C
T
= 100 pF
5
I
dischg
= 8.8 mA
7
3
6
4
V
CC
= 15 V
T
A
= 25
°
C
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(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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(chēng):Motorola, Inc 功能描述:HIGH PERFORMANCE CURRENT MODE CONTROLLERS |
| UC3842CD | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Analog IC |
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