MAX8753ETI-T Maxim Integrated, MAX8753ETI-T Datasheet - Page 10

• Manufacturer Part Number: MAX8753ETI-T
• Description: LCD Drivers
• Manufacturer: Maxim Integrated

The MAX8753 typical application circuit (Figure 1) gen-
erates a +2.5V logic supply, a +9V source driver sup-
ply, and +24V and -11V gate-driver supplies for TFT
displays. The input voltage range for the IC is from
+2.6V to +5.5V.
Table 1 lists the recommended components and Table 2
lists the contact information for component suppliers.
TFT LCD DC-DC Converter with
Integrated Charge Pumps
Figure 1. Typical Operating Circuit
10
______________________________________________________________________________________
+2.6V TO +5.5V
+2.5V, 300mA
C
10µF
LOGIC
10µF
Typical Operating Circuit
V
C
LOGIC
V
IN
IN
0.1µF
V
MAIN
0.1µF
C
DLP
0.1µF
470pF
C
12
INTG
11
16
19
25
26
10
24
17
2
9
6.8µH
L1
IN
I.C.
I.C.
SUPN
SHDN
LCDON
OUTL
FBL
DLP
N.C.
N.C.
MAX8753
0.1µF
C1
D1
0.1µF
C2
PGND
OUTP
GND
C3P
FBN
REF
FBP
Table 1. Critical Component List
FB
DESIGNATION
0.1µF
C
22
13
7
18
15
14
5
8
IN
0.1µF
D2, D3
C
, C
C3
MAIN
D1
L1
LOGIC
R6
25.5kΩ
C4
0.1µF
46.4kΩ
19.1kΩ
R5
R4
174kΩ
10µF, 6.3V X5R ceramic capacitors (0603)
TDK C1608X5R0J106M
10µF ±20%, 16V X5R ceramic capacitor
(1210)
Taiyo Yuden EMK325 BJ106KD
3A, 30V Schottky diode (M-flat)
Toshiba CMS02
200mA, 100V, dual ultra-fast diodes
(SOT23)
Fairchild MMBD4148SE
6.8µH, 1.0A inductor
Sumida CDH38D09HP
D3
28kΩ
D2
R1
R2
R3
215kΩ
R
20kΩ
C
COMP
MAIN1
10µF
C5
0.1µF
C
0.22µF
DESCRIPTION
REF
+9V, 140mA
C
1nF
C
1µF
C
1µF
-11V, 10mA
+24V, 10mA
COMP
NEG
POS
V
MAIN
V
V
NEG
POS