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参数资料
| 型号： | DS3988T+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/23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
ELECTRICAL CHARACTERISTICS (continued)
(V CC = +4.5V to +5.5V, T A = -40°C to +85°C.)
PARAMETER
High-Level Output Voltage
(GA, GB)
SYMBOL
V OH2
I OH2 = -1mA
CONDITIONS
MIN
V CC
- 0.4
TYP
MAX
UNITS
V
UVLO Threshold—V CC Rising
UVLO Threshold—V CC Falling
UVLO Hysteresis
V UVLOR
V UVLOF
V UVLOH
3.7
100
4.3
V
V
mV
SVM Threshold
SVM Hysteresis
V SVMT
V SVMH
1.8
2.0
50
2.2
V
mV
LCM and OVD Source Current
LCM and OVD Sink Current
4
4
μA
μA
LCM and OVD DC Bias Voltage
LCM and OVD Input Resistance
V DCB
R DCB
1.35
50
V
k ?
Lamp Off Threshold
Lamp Overcurrent Threshold
Lamp Regulation Threshold
OVD Threshold
Lamp Frequency Range
Lamp Frequency Source
Frequency Tolerance
Lamp Frequency Receiver
Duty Cycle
DPWM Frequency Range
DPWM Source Frequency
Tolerance
DPWM Receiver Duty Cycle
DPWM Receiver
Frequency Range
DPWM Receiver
Minimum Pulse Width
V LOT
V LOC
V LRT
V OVDT
f LF:OSC
f LFS:TOL
f LFR:DUTY
f D:OSC
f DSR:TOL
f DFE:DUTY
f DR:OSC
t DR:MIN
(Note 3)
(Note 3)
(Note 3)
(Note 3)
LOSC resistor ±2% over temperature
POSC resistor ±2% over temperature
(Note 4)
0.3
1.8
0.9
0.9
40
-5
40
22.5
-5
40
22.5
25
0.4
2.0
1.0
1.0
0.5
2.2
1.1
1.1
80
+5
60
440.0
+5
60
440.0
V
V
V
V
kHz
%
%
Hz
%
%
Hz
μs
BRIGHT Voltage—Minimum
Brightness
BRIGHT Voltage—Maximum
Brightness
V BMIN
V BMAX
2.0
0.5
V
V
Gate-Driver Output Rise/Fall Time
GAn and GBn Duty Cycle
t R /t F
C L = 600pF
(Note 5)
100
44
ns
%
_____________________________________________________________________
3
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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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