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MAX619

更新时间： 2024-11-18 22:55:15
品牌 Logo 应用领域
美信 - MAXIM 转换器泵
页数 文件大小 规格书
7页 68K
描述
Regulated 5V Charge-Pump DC-DC Converter

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中文翻译

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MAX619 数据手册

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19-0227; Rev 2; 5/96  
Re g u la t e d 5 V Ch a rg e -P u m p  
DC-DC Co n ve rt e r  
MAX619  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
♦ Regulated 5V ±4% Charge Pump  
The MAX619 step-up charge-pump DC-DC converter  
delivers a regulated 5V ±4% output at 50mA over tem-  
perature. The input voltage range is 2V to 3.6V (two  
battery cells).  
♦ Output Current Guaranteed over Temperature  
20mA (V ≥ 2V)  
IN  
50mA (V ≥ 3V)  
IN  
2
The complete MAX619 circuit fits into less than 0.1in of  
♦ 2V to 3.6V Input Range  
board space because it requires only four external  
capacitors: two 0.22µF flying capacitors, and 10µF  
capacitors at the input and output.  
♦ No Inductors; Very Low EMI Noise  
2
♦ Ultra-Small Application Circuit (0.1in )  
♦ Uses Small, Inexpensive Capacitors  
♦ 500kHz Internal Oscillator  
Low operating supply current (150µA max) and low  
shutdown supply current (1µA max) make this device  
ideal for small, portable, and battery-powered applica-  
tions. When shut down, the load is disconnected from  
the input.  
♦ Logic-Controlled 1µA Max Shutdown  
Supply Current  
♦ Shutdown Disconnects Load from Input  
♦ 8-Pin DIP and SO Packages  
The MAX619 is available in 8-pin DIP and SO packages.  
________________________Ap p lic a t io n s  
_______________Ord e rin g In fo rm a t io n  
Two Battery Cells to 5V Conversion  
Local 3V-to-5V Conversion  
PART  
TEMP. RANGE  
0°C to +70°C  
PIN-PACKAGE  
8 Plastic DIP  
8 SO  
MAX619CPA  
MAX619CSA  
MAX619C/D  
MAX619EPA  
MAX619ESA  
MAX619MJA  
Portable Instruments & Handy-Terminals  
Battery-Powered Microprocessor-Based Systems  
5V Flash Memory Programmer  
0°C to +70°C  
0°C to +70°C  
Dice*  
-40°C to +85°C  
-40°C to +85°C  
-55°C to +125°C  
8 Plastic DIP  
8 SO  
Minimum Component DC-DC Converters  
Remote Data-Acquisition Systems  
Compact 5V Op-Amp Supply  
8 CERDIP  
* Dice are specified at T = +25 °C.  
A
Regulated 5V Supply from Lithium Backup Battery  
Switching Drive Voltage for MOSFETs in  
Low-Voltage Systems  
__________________P in Co n fig u ra t io n  
__________Typ ic a l Op e ra t in g Circ u it  
TOP VIEW  
IN  
INPUT  
2V to 3.6V  
10µF  
OUT  
OUTPUT  
5V, 20mA  
10µF  
C1+  
IN  
C1-  
1
2
3
4
8
7
6
5
MAX619  
GND  
ON/OFF  
SHDN  
C1+  
SHDN  
GND  
C2-  
MAX619  
C2+  
C2-  
OUT  
C2+  
0.22µF  
0.22µF  
C1-  
DIP/SO  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800  
1234567

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