参数资料
型号: MAX17075ETG+T
厂商: Maxim Integrated Products
文件页数: 11/23页
文件大小: 0K
描述: IC DC-DC CONV W/CHRG PUMP 24TQFN
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
电流 - 电源: 4mA
电源电压: 2.3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-WFQFN 裸露焊盘
供应商设备封装: 24-TQFN-EP(4x4)
包装: 带卷 (TR)
MAX17075
Boost Regulator with Integrated Charge Pumps,
Switch Control, and High-Current Op Amp
L1
V IN
2.5V TO 5.5V
(4.5 TO 5.5V FOR FULL LOAD)
R1
10 ?
C1
10 μ F
6.3V
C2
10 μ F
6.3V
3.0 μ H
D1
C3
10 μ F
25V
C4
10 μ F
25V
V AVDD
13V/500mA
R8
C5
1 μ F
VCC
LX
PGND
187k ?
TO V COM
V AVDD
OUT
NEG
MAX17075
FB
COMP
R10
100k ?
FROM SYSTEM
3.3V
R9
20k ?
V IN
C12
R13
R3
100k ?
220pF
10k ?
R11
POS
RST
RSTIN
R14
C13
REF
DRN
1k ?
V AVDD
R12
20k ?
0.01 μ F
R6
13.7k ?
C9
0.22 μ F
AGND
COM
SRC
C14
1 μ F
C15
0.1 μ F
V GON
30V/20mA
D2
V AVDD
FBN
R7
100k ?
D4
C11
DRVP
C17
0.1 μ F
C16
1 μ F
V GOFF
0.1 μ F DRVN
-7V/20mA
C10
1 μ F
BGND
FBP
D3
R15
464k ?
SUP
EP
CTL
DEL
R16
C8
20k ?
C6
0.033 μ F
V AVDD
1 μ F
FROM TCON
Figure 1. Typical Operating Circuit
Typical Operating Circuit
The typical operating circuit (Figure 1) of the
MAX17075 is a complete power-supply system for TFT
LCD panels in monitors and TVs. The circuit generates
Maxim Integrated
a +13V source driver supply, a +30V positive gate-dri-
ver supply, and a -7V negative gate-driver supply from
a +2.5V to +5.5V input supply. Table 1 lists some
selected components, and Table 2 lists the contact
information for component suppliers.
11
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