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Datasheet > 电源电路 > 开关式稳压器或控制器> LM828M5/NOPB
LM828M5/NOPB PDF预览

LM828M5/NOPB

更新时间： 2024-11-05 11:08:07
品牌 Logo 应用领域
德州仪器 - TI 开关控制器开关式稳压器开关式控制器电源电路电容器转换器开关式稳压器或控制器
页数 文件大小 规格书
15页 893K
描述
开关电容器电压转换器 | DBV | 5 | -40 to 85

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中文翻译

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LM828M5/NOPB 数据手册

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LM828  
www.ti.com  
SNOS035D –MARCH 2010–REVISED MAY 2013  
LM828 Switched Capacitor Voltage Converter  
Check for Samples: LM828  
1
FEATURES  
DESCRIPTION  
The LM828 CMOS charge-pump voltage converter  
inverts a positive voltage in the range of +1.8V to  
+5.5V to the corresponding negative voltage of −1.8V  
to −5.5V. The LM828 uses two low cost capacitors to  
provide up to 25 mA of output current.  
2
•
•
•
•
Inverts Input Supply Voltage  
SOT-23 Package  
20Ω Typical Output Impedance  
97% Typical Conversion Efficiency at 5 mA  
The LM828 operates at 12 kHz switching frequency  
to reduce output resistance and voltage ripple. With  
an operating current of only 40 µA (operating  
efficiency greater than 96% with most loads), the  
LM828 provides ideal performance for battery  
powered systems. The device is in a tiny SOT-23  
package.  
APPLICATIONS  
•
•
•
•
•
•
Cellular Phones  
Pagers  
PDAs  
Operational Amplifier Power Supplies  
Interface Power Supplies  
Handheld Instruments  
Basic Application Circuits  
Voltage Inverter  
+5V to −10V Converter  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2010–2013, Texas Instruments Incorporated  
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LM828M5/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM828M5X/NOPB TI

完全替代

 Switched Capacitor Voltage Converter 5-SOT-23 -40 to 85
LM828M5X TI

完全替代

 LM828 Switched Capacitor Voltage Converter
TPS60403QDBVRQ1 TI

类似代替

 UNREGULATED 60-mA CHARGE PUMP VOLTAGE INVERTER

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