MAX1739EEP+ Maxim Integrated Products, MAX1739EEP+ Datasheet - Page 7

• Manufacturer Part Number: MAX1739EEP+
• Description: Display Drivers Wide Brightness Rang e CCFL Backlight Con
• Manufacturer: Maxim Integrated Products

Specifications of MAX1739EEP+

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
IN
= 12V, V
CTL
= V
CRF
_______________________________________________________________________________________
(ADC SOFT-START, MODE = GND)
(f
LAMP-OUT VOLTAGE LIMITING
MODE
, V
SYNCHRONIZED DPWM
MINDAC
= 100kHz, V
STARTUP
400ms/div
20ms/div
1ms/div
= 1V, MODE = GND, Circuit of Figure 8.)
CTL
= V
CRF
/2)
Typical Operating Characteristics (continued)
V
2kV/div
V
5V/div
12V
V
V
10V/div
V
500mV/div
I
500mA/div
V
5V/div
V
500mV/div
V
20V/div
0
BATT
SECONDARY
CTAP
CTAP
CSAV
DH
BATT
CTAP
CSAV
CCFL Backlight Controllers
Wide Brightness Range
900
800
700
600
500
400
300
200
100
0
0
SHUTDOWN
(f
LAMP-OUT VOLTAGE LIMITING
MODE
5
SYNCHRONIZED DPWM
INPUT CURRENT vs.
INPUT VOLTAGE
= 32kHz, V
MINIMUM BRIGHTNESS
10
V
2ms/div
BATT
MAXIMUM BRIGHTNESS
1ms/div
(V)
15
CTL
= V
MAX1739/1839 toc12
20
CRF
/2)
25
9
8
7
6
5
4
3
2
1
0
V
2kV/div
V
5V/div
SECONDARY
CTAP
V
5V/div
V
500mV/div
V
20V/div
CTAP
CSAV
DH
7