参数资料
型号: MAX17100ETM+T
厂商: Maxim Integrated Products
文件页数: 16/35页
文件大小: 0K
描述: IC REG BOOST INT-SWITCH 48-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: LCD 电视机/监控器
电源电压: 2.5 V ~ 6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-WFQFN 裸露焊盘
供应商设备封装: 48-TQFN-EP(6x6)
包装: 带卷 (TR)
Internal-Switch Boost Regulator with Integrated Scan
Driver, VCOM Calibrator, and Op Amp for TFT LCDs
Typical Operating Circuit
The MAX17100 typical operating circuit (Figure 2) is a
complete power-supply system for TFT LCDs. The circuit
generates a +14V source-driver supply and +25V and
-10V gate-driver supplies. The input-voltage range for the
IC is from +2.5V to +6.0V. The listed load currents in
Figure 2 are available from a +4.5V to +5.5V supply.
Table 1 lists some recommended components and Table
2 lists the contact information of component suppliers.
V S
4.5V TO 5.5V
C1
10 μ F
6.3V
C2
10 μ F
6.3V
LDO
3.3V
Q3
100k ?
D4
V CN
GATE
D2
L1
3 μ H
0.1 μ F
LX
0.1 μ F
D1
D3
R1
137k ?
1%
V CP
C3
10 μ F
25V
C4
10 μ F
25V
V MAIN
14V/500mA
V IN
V GHON
1 μ F
220pF
0.33 μ F
180k ?
1k ?
IN
COMP
GHON
GHD1
FB
PGND
AGND
SUP
R2
13.3k ?
1%
V MAIN
YV1C1
TGS
OGND
POS1
0.47 μ F
100k ?
0.33 μ F
YV1C2
100k ?
100k ?
V IN
5.6k ?
5.6k ?
1k ?
GHD2
MAX17100
POS2
100k ?
100k ?
POS3
SCL
OUT1
100k ?
SERIAL BUS
SDA
OUT2
200k ?
OUT3
WR
COMADJ
V CP
0.1 μ F
6.8k ?
COMFB
VCOM
TO VCOM BACKPLANE
24.9k ?
200k ?
RSET
V GHON
25V/20mA
0.47 μ F
Q1
R4
191k ?
R5
10k ?
DRVP
FBP
DRVN
6.8k ?
Q2
R7
324k ?
0.1 μ F
0.47 μ F
V CN
V GOFF
-10V/20mA
FBN
V GOFF
0.1 μ F
GOFF
REF
R8
31.6k ?
0.22 μ F
V IN
27k ?
RST
ST1
ST2
STH1
STH2
1 μ F
SYSTEM
CK1
CKB1
CK2
CKB2
EP
CKH1
CKBH1
CKH2
CKBH2
PANEL
Figure 2. Typical Operating Circuit
16
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