參數(shù)資料
型號: MAX1739
廠商: Maxim Integrated Products, Inc.
英文描述: Wide Brightness Range CCFL Backlight Controllers
中文描述: 寬亮度范圍CCFL背光控制器
文件頁數(shù): 7/26頁
文件大小: 444K
代理商: MAX1739
M
Wide Brightness Range
CCFL Backlight Controllers
_______________________________________________________________________________________
7
Typical Operating Characteristics (continued)
(V
IN
= 12V, V
CTL
= V
CRF
, V
MINDAC
= 1V, MODE = GND, Circuit of Figure 8.)
20ms/div
STARTUP
(ADC SOFT-START, MODE = GND)
V
CTAP
10V/div
V
BATT
0
V
CSAV
500mV/div
I
BATT
500mA/div
M
12V
2ms/div
LAMP-OUT VOLTAGE LIMITING
V
2kV/div
V
5V/div
M
1ms/div
SYNCHRONIZED DPWM
(f
MODE
= 100kHz, V
CTL
= V
CRF
/2)
V
500mV/div
V
5V/div
V
DH
20V/div
M
1ms/div
SYNCHRONIZED DPWM
(f
MODE
= 32kHz, V
CTL
= V
CRF
/2)
V
CSAV
500mV/div
V
CTAP
5V/div
V
DH
20V/div
M
400ms/div
LAMP-OUT VOLTAGE LIMITING
V
2kV/div
V
5V/div
M
0
200
100
500
400
300
800
700
600
900
0
10
5
15
20
25
INPUT CURRENT vs.
INPUT VOLTAGE
MAX1739/1839 toc12
V
BATT
(V)
I
B
0
2
1
5
4
3
8
7
6
9
S
μ
A
SHUTDOWN
MINIMUM BRIGHTNESS
MAXIMUM BRIGHTNESS
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