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参数资料
| 型号： | MAX8739ETP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/19页 |
| 文件大小： | 0K |
| 描述： | IC DC/DC CONV W/OPAMP 20TQFN-EP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 转换器，TFT，LCD |
| 输入电压： | 1.8 V ~ 5.5 V |
| 输出数： | 1 |
| 输出电压： | 1.8 V ~ 13 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-WQFN 裸露焊盘 |
| 供应商设备封装： | 20-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
TFT, LCD, DC-DC Converter with
Operational Amplifiers
Typical Application Circuit
The MAX8739 typical application circuit (Figure 1) gen-
erates a +8V source-driver supply and approximately
+22V and -7V gate-driver supplies for TFT displays.
+5.5V but the Figure 1 circuit is designed to run from
1.8V to 2.7V. Table 1 lists the key recommended com-
ponents and Table 2 lists the contact information of the
component suppliers.
The input-voltage range for the IC is from +1.8V to
C15
0.1mF
V GOFF
-7V/20mA
D2
C14
0.1mF
C16
0.1mF
D4
V IN
+1.8V TO +2.7V
C1
10 μ F
6.3V
100k ?
C13
0.1 μ F
R4
10 ?
C4
1 μ F
IN
L1
3.0 μ H
MAX8739
LX
FB
D1
R1
169k ?
1%
R2
30.9k ?
1%
D3
C17
0.1 μ F
C2
4.7 μ F
10V
C18
0.1 μ F
C3
4.7 μ F
10V
V MAIN
+8V/250mA
R3
100k ?
FREQ
AGND
C5
220pF
C6
33pF
COMP
NEG1
PGND
SUP
C10
0.1 μ F
TO VCOM
BACKPLANE
OUT1
NEG2
POS1
R5*
R7*
OUT2
POS2
C7
1 μ F
LDO
C11
0.1 μ F
C12
0.1 μ F
R6*
R8*
DEL
C8
SRC
0.033 μ F
FROM TCON
CTL
DRN
COM
V GON
+22V/10mA
R9
5k ?
*THE RATIO OF THE VOLTAGE DIVIDER DEPENDS ON THE EXACT APPLICATION REQUIREMENTS. USE
RESISTORS IN THE 100k ? AND 500k ? RANGE.
Figure 1. Typical Application Circuit
______________________________________________________________________________________
11
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相关代理商/技术参数 |
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| MAX8739EVKIT | 功能描述:电源管理IC开发工具 MAX8739 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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