MAX8759ETI+ Maxim Integrated Products, MAX8759ETI+ Datasheet - Page 9

• Manufacturer Part Number: MAX8759ETI+
• Description: IC CNTRL CCFL BACKLIGHT 28TQFN
• Manufacturer: Maxim Integrated Products
• Type: CCFL Controllerr

Specifications of MAX8759ETI+

• Frequency: 30 ~ 80 kHz
• Current - Supply: 2.5mA
• Voltage - Supply: 4.5 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Lead Free Status / Rohs Status: Details

(Circuit of Figure 1, V
Low-Cost, SMBus, CCFL Backlight Controller
vs. SMBus BRIGHTNESS AND PWMI DUTY CYCLE
_______________________________________________________________________________________
IN
100
5.35
5.34
5.33
5.32
5.31
5.30
80
60
40
20
0
= 12V, V
0
0
A: ALS, 1V/div
NORMALIZED BRIGHTNESS
ALS TRANSIENT RESPONSE
0.2
2
(ALSDEL1 = ALSDEL0 = 0)
CC
V
CC
SMB = 0xFF
LOAD CURRENT (mA)
PWMI DUTY RATIO
= V
LOAD REGULATION
4
0.4
V
DD
IN
1s/div
V
= 12V
IN
, T
6
= 24V
0.6
A
B: COMP, 1V/div
= +25°C, unless otherwise noted.)
SMB = 0x80
8
Typical Operating Characteristics (continued)
0.8
MAX8759 toc21
10
1.0
12
A
B
5.35
5.34
5.33
5.32
5.31
5.30
5.32
5.31
5.30
5.29
5.28
5.27
1.0
0.8
0.6
0.4
0.2
0
vs. ALS VOLTAGE AND PWMI DUTY CYCLE
-40
0
8
-20
NORMALIZED BRIGHTNESS
0.2
V
12
CC
vs. TEMPERATURE
V
INPUT VOLTAGE (V)
ALS
TEMPERATURE (°C)
PWMI DUTY RATIO
V
0
LINE REGULATION
0.4
CC
= 1.8V
VOLTAGE
20
16
0.6
40
V
ALS
20
0.8
= 0.8V
60
1.0
24
80
9