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参数资料
| 型号： | DS3988T+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 5/23页 |
| 文件大小： | 0K |
| 描述： | IC CCFL CNTRLR 8CH 48TQFP |
| 标准包装： | 2,000 |
| 类型： | CCFL 控制器 |
| 频率： | 40 ~ 80 kHz |
| 电流 - 电源： | 15mA |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 48-LQFP |
| 供应商设备封装： | 48-LQFP（7x7） |
| 包装： | 带卷 (TR) |
8-Channel Cold-Cathode
Fluorescent Lamp Controller
Typical Operating Characteristics
(V CC = +5.0V, T A = +25°C, unless otherwise noted.)
ACTIVE SUPPLY CURRENT
vs. SUPPLY VOLTAGE
20
ACTIVE SUPPLY CURRENT
vs. TEMPERATURE
4
INTERNAL FREQUENCY CHANGE
vs. TEMPERATURE
19
17
f LF:OSC = 71kHz
GATE Q C = 3.5nC
DPWM = 100%
19
18
V CC = 4.5V
V CC = 5.0V
V CC = 5.5V
3
2
15
13
11
9
DPWM = 50%
DPWM = 10%
17
16
15
14
13
1
0
-1
-2
LAMP FREQUENCY
DPWM FREQUENCY
12
7
5
SVM = 0V
11
10
f LF:OSC = 71kHz
GATE Q C = 3.5nC
DPWM = 100%
-3
-4
4.5
4.7
4.9
5.1
5.3
5.5
-40
-15
10
35
60
85
-40
-15
10
35
60
85
10 μ s
5.0V G A
10 μ s
5.0V G B
10 μ s
2.0V LCM
10 μ s
2.0V OVD
SUPPLY VOLTAGE (V)
TYPICAL OPERATION AT 12V
10 μ s
5.0V G A
10 μ s
5.0V G B
10 μ s
2.0V LCM
10 μ s
2.0V OVD
TEMPERATURE ( ° C)
TYPICAL OPERATION AT 15V
10 μ s
5.0V G A
10 μ s
5.0V G B
10 μ s
2.0V LCM
10 μ s
2.0V OVD
TEMPERATURE ( ° C)
TYPICAL OPERATION AT 18V
2ms
2.0V SVM
2ms
5.0V G B
2ms
2.0V LCM
2ms
2.0V OVD
TYPICAL STARTUP WITH SVM
1ms
5.0V G A
1ms
5.0V G B
1ms
2.0V LCM
1ms
2.0V OVD
BURST DIMMING AT 150Hz AND 10%
_____________________________________________________________________
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS3991 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Low-Cost CCFL Controller |
| DS3991V | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Low-Cost CCFL Controller |
| DS3991VC | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Low-Cost CCFL Controller |
| DS3991VR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Low-Cost CCFL Controller |
| DS3991VRC | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Low-Cost CCFL Controller |
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