Rainbow Electronics MAX1839 - Manual (Page 8)

MAX1739/MAX1839
†
Wide Brightness Range
CCFL Backlight Controllers
8 _______________________________________________________________________________________
5.40
5.10
0.01 1 10 0.1 100
VL vs. I
VL
MAX1739/1839 toc13
I VL (mA)
VL (V)
SHUTDOWN VL (V)
5.15
5.20
5.25
5.30
5.35
4.6
4.0
4.1
4.2
4.3
4.4
4.5
SHUTDOWN
NORMAL OPERATION
6
0
0 10 15 5 25 20
VL vs. BATT VOLTAGE
MAX1739/1839 toc14
V BATT (V)
VL (V)
1
2
3
4
5
NORMAL OPERATION
SHUTDOWN
5.31
5.32
5.34
5.33
5.35
5.36
-40 10 -15 35 60 85
VL vs. TEMPERATURE
MAX1739/1839 toc15
TEMPERATURE ( °C)
VL (V)
4.35
4.40
4.50
4.45
4.55
4.60
SHUTDOWN VL (V)
SHUTDOWN
NORMAL OPERATION
Typical Operating Characteristics (continued)
(V IN = 12V, V CTL = V CRF , V MINDAC = 1V, MODE = GND, Circuit of Figure 8.)