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MAX1721EUT PDF预览

MAX1721EUT

更新时间: 2024-11-18 22:57:59
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页数 文件大小 规格书
8页 568K
描述
SOT23, Switched-Capacitor Voltage Inverters with Shutdown

MAX1721EUT 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:SOT-23
包装说明:LSSOP, TSOP6,.11,37针数:6
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:5.19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:1.6 V
标称输入电压:5 VJESD-30 代码:R-PDSO-G6
JESD-609代码:e0长度:2.9 mm
湿度敏感等级:1功能数量:1
端子数量:6最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:0.025 A
标称输出电压:-5.5 V封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装等效代码:TSOP6,.11,37
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):240认证状态:Not Qualified
座面最大高度:1.45 mm子类别:Other Analog ICs
表面贴装:YES切换器配置:DOUBLER INVERTER
最大切换频率:200 kHz技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn85Pb15)
端子形式:GULL WING端子节距:0.95 mm
端子位置:DUAL处于峰值回流温度下的最长时间:20
宽度:1.625 mmBase Number Matches:1

MAX1721EUT 数据手册

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19-1439; Rev 2; 4/04  
SOT23, Switched-Capacitor  
Voltage Inverters with Shutdown  
General Description  
Features  
The ultra-small MAX1719/MAX1720/MAX1721 monolithic,  
CMOS charge-pump inverters accept input voltages  
ranging from +1.5V to +5.5V. The MAX1720 operates at  
12kHz, and the MAX1719/MAX1721 operate at 125kHz.  
High efficiency, small external components, and logic-  
controlled shutdown make these devices ideal for both  
battery-powered and board-level voltage conversion  
applications.  
1nA Logic-Controlled Shutdown  
6-Pin SOT23 Package  
99.9% Voltage Conversion Efficiency  
50µA Quiescent Current (MAX1720)  
+1.5V to +5.5V Input Voltage Range  
25mA Output Current  
Oscillator control circuitry and four power MOSFET  
switches are included on-chip. A typical MAX1719/  
MAX1720/MAX1721 application is generating a -5V  
supply from a +5V logic supply to power analog circuitry.  
All three parts come in a 6-pin SOT23 package and can  
deliver a continuous 25mA output current.  
Requires Only Two 1µF Capacitors  
(MAX1719/MAX1721)  
For pin-compatible SOT23 switched-capacitor voltage  
inverters without shutdown (5-pin SOT23), see the  
MAX828/MAX829 and MAX870/MAX871 data sheets. For  
applications requiring more power, the MAX860/MAX861  
Ordering Information  
deliver up to 50mA. For regulated outputs (up to -2 x V ),  
IN  
refer to the MAX868. The MAX860/MAX861 and MAX868  
are available in space-saving µMAX packages.  
PIN-  
SOT  
PART  
TEMP RANGE  
PACKAGE TOP MARK  
MAX1719EUT -40°C to +85°C 6 SOT23-6  
MAX1720EUT -40°C to +85°C 6 SOT23-6  
MAX1721EUT -40°C to +85°C 6 SOT23-6  
AACA  
AABS  
AABT  
Applications  
Local Negative Supply from a Positive Supply  
Small LCD Panels  
GaAs PA Bias Supply  
Handy-Terminals, PDAs  
Battery-Operated Equipment  
Pin Configuration  
Typical Operating Circuit  
1µF  
TOP VIEW  
OUT  
IN  
1
2
3
C1+  
6
5
4
C1+  
C1-  
OUT  
NEGATIVE  
OUTPUT  
INPUT  
1.5V to 5.5V  
IN  
-1 · V  
IN  
MAX1719  
MAX1720  
MAX1721  
SHDN (SHDN)  
GND  
25mA  
MAX1721  
1µF  
C1-  
SHDN  
ON  
OFF  
GND  
SOT23-6  
( ) ARE FOR MAX1719  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

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