参数资料
型号: DS3994Z+T&R
厂商: Maxim Integrated
文件页数: 5/28页
文件大小: 0K
描述: IC CCFL CNTRLR 4CH 28-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1,000
类型: CCFL 控制器
频率: 20 ~ 80 kHz
电流 - 电源: 9mA
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
供应商设备封装: 28-SOIC W
包装: 带卷 (TR)
4-Channel Cold-Cathode
Fluorescent Lamp Controller
Typical Operating Characteristics
(V CC = +5.0V, T A = +25°C, unless otherwise noted.)
10
ACTIVE SUPPLY CURRENT
vs. SUPPLY VOLTAGE
11.0
ACTIVE SUPPLY CURRENT
vs. TEMPERATURE
1.0
INTERNAL FREQUENCY CHANGE
vs. TEMPERATURE
10.5
V CC = 5.0V
V CC = 5.5V
0.8
9
8
10.0
9.5
V CC = 4.5V
0.6
0.4
DPWM = 100%
9.0
0.2
DPWM FREQUENCY
7
DPWM = 50%
8.5
0.0
6
DPWM = 10%
8.0
7.5
-0.2
-0.4
LAMP FREQUENCY
5
4
GATE Q C = 3.5nC
SVM < 2V
f LF:OSC = 64kHz
7.0
6.5
6.0
GATE Q C = 3.5nC
f LF:OSC = 64kHz
DPWM = 100%
-0.6
-0.8
-1.0
4.5
4.7
4.9
5.1
5.3
5.5
-40.0
22.5
85.0
-40.0
22.5
85.0
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
5ms
2.0V SVM
5ms
5.0V G B
5ms
2.0V LCM
5ms
1.0V 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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