MAX8759ETI+T Maxim Integrated Products, MAX8759ETI+T Datasheet - Page 12

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

Specifications of MAX8759ETI+T

• 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

Figure 1. Typical MAX8759 Single-Lamp Operating Circuit
Low-Cost, SMBus, CCFL Backlight Controller
12
INPUT VOLTAGE
SMB_DATA
SMB_CLOCK
PWM INPUT
ALS SUPPLY
ALS OUTPUT
7.5V TO 24V
______________________________________________________________________________________
V
CC
F1
2A
0.47µF
0.1µF
169kΩ
0.1µF
C15
C12
1µF
C7
C9
1%
R3
21
27
11
28
2
3
7
8
9
5
6
BATT
GND
DEL
V
SDA
SCL
PWMI
PWMO
FREQ
VALS
ALS
CC
MAX8759
PGND1
PGND2
COMP
BST2
BST1
ISEC
TFLT
GH1
GH2
IFB1
IFB2
GL1
GL2
VFB
V
LX1
LX2
DD
21
24
18
17
16
26
20
19
23
22
25
12
13
14
15
10
4
C11
0.1µF
FDC6561AN
FDC6561AN
C14
0.22µF
C10
0.1µF
C8
0.47µF
V
CC
C13
6.8nF
N1A
N2A
N1B
N2B
C1
10µF
25V
2.2µF
2.2µF
C2
C3
C6
68nF
1:110
T1
R2
3.9kΩ
C4
10pF
3kV
C5
10nF
CCFL
R1
150Ω
1%