MAX8729EEI+T Maxim Integrated Products, MAX8729EEI+T Datasheet - Page 8

• Manufacturer Part Number: MAX8729EEI+T
• Description: Display Drivers Constant-Frequency H alf-Bridge CCFL Inve
• Manufacturer: Maxim Integrated Products

Specifications of MAX8729EEI+T

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

Constant-Frequency, Half-Bridge CCFL Inverter
Controller
8
(Circuit of Figure 1. V
5.370
5.362
5.354
5.346
5.338
5.330
500
400
300
200
100
_______________________________________________________________________________________
75
8
DPWM FREQUENCY vs. R
125
V
11
CC
INPUT VOLTAGE (V)
LINE REGULATION
175
R
IN
LF
(kΩ)
14
= 12V, V
225
A: SLAVE DPWM 5V/div
B: MASTER DPWM 5V/div
17
DPWM PHASE SHIFT (90°)
275
CC
LF
= V
325
DD,
20
2ms/div
T
A
= +25°C, unless otherwise noted.)
Typical Operating Characteristics (continued)
208.0
207.5
207.0
206.5
206.0
5.39
5.37
5.35
5.33
5.31
5.29
0
MAX8729 toc16
DPWM FREQUENCY vs. INPUT VOLTAGE
8
2
V
A
B
CC
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
LOAD REGULATION
12
4
A: SLAVE DPWM
B: MASTER DPWM
6
16
SWITCHING PHASE SHIFT (90°)
8
10
20
4ms/div
5.40
5.38
5.36
5.34
5.32
5.30
9
8
7
6
5
4
110
-40
MAX8729 toc17
V
NOT SWITCHING
IN
= 12V
130
LAMP CURRENT vs. R
-15
V
CC
B
A
150
TEMPERATURE (°C)
vs. TEMPERATURE
10
R
SENSE
170
(Ω)
35
190
SENSE
60
210
230
85