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MAX1747EUP+ PDF预览

MAX1747EUP+

更新时间: 2024-11-14 13:10:23
品牌 Logo 应用领域
美信 - MAXIM 转换器DC-DC转换器
页数 文件大小 规格书
13页 401K
描述
Switched Capacitor Regulator, 2000kHz Switching Freq-Max, BICMOS, PDSO20, 4.40 MM, 1.10 MM HEIGHT, TSSOP-20

MAX1747EUP+ 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Not Recommended零件包装代码:TSSOP
包装说明:TSSOP,针数:20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:5.22模拟集成电路 - 其他类型:SWITCHED CAPACITOR REGULATOR
最大输入电压:4.5 V最小输入电压:2.7 V
标称输入电压:3 VJESD-30 代码:R-PDSO-G20
JESD-609代码:e3长度:6.5 mm
湿度敏感等级:1功能数量:1
端子数量:20最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.1 mm
表面贴装:YES切换器配置:DOUBLER INVERTER
最大切换频率:2000 kHz技术:BICMOS
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:4.4 mmBase Number Matches:1

MAX1747EUP+ 数据手册

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19-1788; Rev 0; 10/00  
Triple Charge-Pump TFT LCD  
DC-DC Converter  
General Description  
Features  
The MAX1747 triple charge-pump DC-DC converter  
provides the regulated voltages required by active  
matrix thin-film transistor (TFT) liquid-crystal displays  
(LCDs) in a low-profile TSSOP package. One high-  
power and two low-power charge pumps convert the  
+2.7V to +4.5V input supply voltage into three indepen-  
dent output voltages.  
o Adjustable Outputs  
Up to +5.5V Main High-Power Output  
Up to +35V Positive Charge-Pump Output  
Down to -35V Negative Charge-Pump Output  
o 200kHz to 2MHz Adjustable Switching Frequency  
o +2.7V to +4.5V Input Supply  
The primary high-power charge pump generates an  
output voltage (V  
) between 4.5V and 5.5V that is  
OUT  
o Internal Power MOSFETs  
regulated within 1ꢀ. The low-power ꢁiCMOS control  
circuitry and the low on-resistance (R ) power  
o 0.1µA Shutdown Current  
ON  
MOSFETs maximize efficiency. The adjustable switch-  
ing frequency (200kHz to 2MHz) provides fast transient  
response and allows the use of small low-profile ceram-  
ic capacitors.  
o Internal Soft-Start  
o Power-Ready Output  
o Internal Supply Sequencing  
o Fast Transient Response  
The dual low-power charge pumps independently regu-  
late one positive output (V  
) and one negative output  
POS  
o Ultra-Thin Solution (No Inductors)  
o Thin TSSOP Package (1.1mm max)  
(V  
). These additional outputs use external diode  
NEG  
and capacitor multiplier stages (as many stages as  
required) to regulate output voltages up to +35V and  
-35V.  
Ordering Information  
The constant switching frequency and a proprietary  
regulation algorithm minimize output ripple and capaci-  
tor sizes for all three charge pumps. The MAX1747 is  
available in the ultra-thin TSSOP package (1.1mm max  
height).  
PART  
TEMP. RANGE  
PIN-PACKAGE  
MAX1747EUP  
-40°C to +85°C  
20 TSSOP  
Typical Operating Circuit  
Applications  
TFT Active-Matrix LCDs  
SUPM  
IN  
CXP  
CXN  
INPUT  
Passive-Matrix Displays  
Personal Digital Assistants (PDAs)  
MAIN OUTPUT  
OUT  
SUPP  
SHDN  
RDY  
TO µC  
Pin Configuration  
SUPN  
FB  
DRVN  
TOP VIEW  
TGND  
TGND  
RDY  
FB  
1
2
3
4
5
6
7
8
9
20 OUT  
19 CXP  
18 SUPM  
17 CXN  
16 PGND  
15 SUPP  
MAX1747  
NEGATIVE  
OUTPUT  
DRVP  
FBN  
REF  
MAX1747  
INTG  
IN  
GND  
REF  
14  
DRVP  
13 SUPN  
12 DRVN  
11 SHDN  
POSITIVE  
OUTPUT  
FBP  
INTG  
PGND  
TGND  
GND  
FBP  
FBN 10  
TSSOP  
________________________________________________________________ Maxim Integrated Products  
1
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  

MAX1747EUP+ 替代型号

型号 品牌 替代类型 描述 数据表
MAX1747EUP-T MAXIM

完全替代

Switched Capacitor Regulator, 2000kHz Switching Freq-Max, BICMOS, PDSO20, 4.40 MM, 1.10 MM

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