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TC1237EUNRT

更新时间： 2024-11-09 13:14:23
品牌 Logo 应用领域
美国微芯 - MICROCHIP 转换器泵
页数 文件大小 规格书
10页 1049K
描述
SWITCHED CAPACITOR CONVERTER, 170 kHz SWITCHING FREQ-MAX, PDSO10, MSOP-10

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中文翻译

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TC1237EUNRT 技术参数

生命周期：Obsolete零件包装代码：MSOP
包装说明：TSSOP,针数：10
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.77
Is Samacsys：N模拟集成电路 - 其他类型：SWITCHED CAPACITOR CONVERTER
最大输入电压：5.5 V最小输入电压：1.8 V
标称输入电压：5 VJESD-30 代码：S-PDSO-G10
长度：3 mm功能数量：1
端子数量：10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：SQUARE
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH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：170 kHz
技术：CMOS温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：0.5 mm
端子位置：DUAL宽度：3 mm
Base Number Matches：1

TC1237EUNRT 数据手册

 浏览型号TC1237EUNRT的Datasheet PDF文件第2页浏览型号TC1237EUNRT的Datasheet PDF文件第3页浏览型号TC1237EUNRT的Datasheet PDF文件第4页浏览型号TC1237EUNRT的Datasheet PDF文件第5页浏览型号TC1237EUNRT的Datasheet PDF文件第6页浏览型号TC1237EUNRT的Datasheet PDF文件第7页 
TC1235  
TC1236  
TC1237  
Inverting Dual (–VIN, –2VIN) Charge Pump Voltage Converters with Shutdown  
FEATURES  
GENERAL DESCRIPTION  
ꢀ 10-Pin MSOP Package  
ꢀ Operates from 1.8V to 5.5V  
The TC1235/1236/1237 are CMOS dual inverting  
chargepumpvoltageconverterswithalowpowershutdown  
modeinMSOP10-Pinpackages. Onlyfourexternalcapaci-  
tors are required for full circuit implementation. Switching  
frequencies are 12kHz for the TC1235, 35kHz for the  
TC1236 and 125kHz for the TC1237. When the shutdown  
pin is held at a logic low, the device goes into a very low  
power mode of operation, consuming less than 1µA of  
supply current.  
These devices provide both a negative voltage inver-  
sion (available at the –VIN output), and a negative doubling  
voltage inversion (available at the –2 VIN output) with a low  
outputimpedancecapableofprovidingoutputcurrentsupto  
5mA for the –VIN output and 1mA for the –2VIN output. The  
input voltage can range from +1.8V to +5.5V.  
ꢀ Up to 5mA Output Current at –VIN Pin  
ꢀ Up to 1mA Output Current at –2VIN Pin  
ꢀꢀꢀꢀꢀPower-Saving Shutdown Mode  
ꢀ –VIN and –2VIN Outputs Available  
ꢀ Low Active Supply Current  
.......................................... 120µA (MAX) for TC1235  
.......................................... 360µA (MAX) for TC1236  
.......................................... 1.5mA (MAX) for TC1237  
ꢀ Fully Compatible with 1.8V Logic Systems  
TYPICAL APPLICATIONS  
ꢀ LCD Panel Bias  
ꢀ Cellular Phones PA Bias  
ꢀ Pagers  
ORDERING INFORMATION  
ꢀ PDAs, Portable Dataloggers  
ꢀ Battery Powered Devices  
Part No.  
Package Osc Freq (KHz) Temp Range  
TC1235EUN 10-Pin MSOP  
TC1236EUN 10-Pin MSOP  
TC1237EUN 10-Pin MSOP  
12  
35  
–40°C to +85°C  
–40°C to +85°C  
–40°C to +85°C  
125  
PIN CONFIGURATION  
TYPICAL OPERATING CIRCUIT  
10-Pin MSOP  
INPUT  
C1+  
V
+
IN  
C1  
OUTPUT 1  
C1–  
–VIN  
–V  
10  
9
1
2
C1–  
IN  
C
OUT1  
C2+  
+
+
C2+  
C1+  
TC1235  
TC1236  
TC1237  
ON  
C2  
C2–  
SHDN  
–2 V  
OFF  
TC1235  
TC1236  
TC1237  
3
4
8
7
NC  
C2–  
SHDN  
VIN  
GND  
NC  
OUTPUT 2  
IN  
C
OUT2  
+
–2 VIN  
5
6
GND  
Notes: 1) C1 and COUT1 must have a voltage rating greater  
than or equal to VIN  
2) C2 and COUT2 must have a voltage rating greater  
than or equal to 2VIN  
© 2001 Microchip Technology Inc. DS21371A  
TC1235/6/7-1 3/24/00  
1234567...10

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