MAX1997ETJ+ Maxim Integrated Products, MAX1997ETJ+ Datasheet - Page 13

• Manufacturer Part Number: MAX1997ETJ+
• Description: IC PWR SUPPLY TFT LCD 32TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1997ETJ+

• Applications: Controller, TFT, LCD
• Voltage - Input: 2.7 ~ 5.5 V
• Number Of Outputs: 5
• Voltage - Output: 2.7 ~ 13 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 1. Standard Application Circuit
Quintuple/Triple-Output TFT LCD Power Supplies
V
V
LOGIC
G_OFF
2.5V
-7V
REF
V
2.7V TO 5.5V
IN
150kΩ
R3
10Ω
C12
1µF
R1
______________________________________________________________________________________
C18
0.1µF
0.1µF
LX
D2
C19
51.1kΩ
10µF
C1
0.47µF
0.47µF
C13
0.1µF
C20
with Fault Protection and VCOM Buffer
R2
C16
Q1
Q4
510Ω
R77
6.8kΩ
P1
R15
1000pF
12.4kΩ
150kΩ
C7
R16
R88
REF
0.22µF
150kΩ
R24
C17
D6
R17
24.3kΩ
R21
39kΩ
R22
39kΩ
R23
39kΩ
R99
12.4kΩ
C8
100pF
27
26
29
28
32
30
31
12
13
10
C2
10µF
6.3V
3
4
5
9
8
7
6
GATE
OCP
IN
PFLT
SHDN
ONDC
FREQ
DRV1
FB1
CT
REF
GND
DRVN
FBN
ON2
ONP
ONN
ANALOG GROUND
(GND)
OCN
25
R4
43.2kΩ
MAX1997
PGND
3.0µH
150kΩ
L1
R5
2
LX
POWER GROUND
(PGND)
23
TGNDA
TGNDB
DRVA
DRV2
FBNB
OUTB
DRVP
FBPB
V
FBP
FB2
DDB
FB
D1
7.68kΩ
1.21kΩ
20
11
19
18
16
17
14
15
22
21
24
1
R8
LX
R7
C15
1µF
C28
1000pF
R20
20kΩ
2.2kΩ
R10
1MΩ
R9
V
301kΩ
1000pF
Q2
VCOM
R19
C27
R11
118kΩ
R12
20kΩ
C9
0.01µF
D5
6.8kΩ
R18
C14
2.2µF
Q3
C26
1µF
N1
LX
C4
4.7µF
10V
C24
0.1µF
100kΩ
R13
20kΩ
R14
20kΩ
D3
V
20V
G_ON
R6
V
GAMMA
8.6V
C5
4.7µF
10V
C11
0.47µF
C22
0.1µF
V
9V
V
MAIN
SOURCE
9V
C25
0.1µF
D4
C6
4.7µF
10V
C23
0.1µF
13