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MAX843ESA

更新时间: 2024-11-22 22:35:07
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
10页 162K
描述
Low-Noise, Regulated, -2V GaAsFET Bias

MAX843ESA 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:SOIC
包装说明:SOP-8针数:8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.15
其他特性:ALSO ADJUSTABLE OUTPUT FROM -0.5 TO -9.4V模拟集成电路 - 其他类型:SWITCHED CAPACITOR REGULATOR
最大输入电压:10 V最小输入电压:2.5 V
标称输入电压:3.6 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e0长度:4.9 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:0.004 A
标称输出电压:-2 V封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):245认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Other Analog ICs
最大供电电流 (Isup):1.1 mA表面贴装:YES
切换器配置:DOUBLER INVERTER最大切换频率:100 kHz
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.9 mm
Base Number Matches:1

MAX843ESA 数据手册

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19-0388; Rev 1; 3/96  
Lo w -No is e , Re g u la t e d , -2 V Ga As FET Bia s  
03/MAX84  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
The MAX840/MAX843/MAX844 low-nois e , inve rting  
c ha rg e -p ump p owe r s up p lie s a re id e a l for b ia s ing  
GaAsFETs in cellular telephone transmitter amplifiers.  
They operate with inputs down to 2.5V.  
Fixed -2V or Adjustable -0.5V to -9.4V Output  
at 4mA (MAX840)  
2.5V to 10V Input Voltage Range  
The MAX840 offers both a -2V preset output and a -0.5V  
to -9.4V adjustable output. The MAX843/MAX844 use  
an external positive control voltage to set the negative  
output voltage. Input voltage range for all the devices is  
Operate with Small Capacitors (as low as 0.22µF)  
1mVp-p Output Voltage Ripple  
Charge-Pump Switching Frequency:  
100kHz in Normal Operation  
2.5V to 10V, and output current is 4mA with V > 2.7V.  
IN  
These circuits can operate with small capacitors, as low  
as 0.22µF.  
20kHz in Shutdown Mode (MAX844)  
An internal linear regulator reduces the MAX840s out-  
put voltage ripple to 1mVp-p. With a well-filtered control  
1µA Max Logic-Level Shutdown Over Temp.  
(MAX840/MAX843)  
voltage (V ), the MAX843/MAX844 also achieve less  
CTRL  
Small 8-Pin SO Package  
than 1mVp-p typical output ripple. Supply current is  
750µA, a nd re d uc e s to le s s tha n 1µA in s hutd own  
(MAX840/MAX843). The MAX844s unregulated output  
is active in shutdown, with the charge pump switching at  
20kHz. It provides a low-power LCD supply.  
______________Ord e rin g In fo rm a t io n  
PART  
TEMP. RANGE  
0°C to +70°C  
PIN-PACKAGE  
Dice*  
8 SO  
________________________Ap p lic a t io n s  
Cellular Phones  
MAX840C/D  
MAX840ISA  
MAX840ESA  
MAX843C/D  
MAX843ISA  
MAX843ESA  
MAX844C/D  
MAX844ISA  
MAX844ESA  
-25°C to +85°C  
-40°C to +85°C  
0°C to +70°C  
GaAsFET Power Amplifier Modules  
Personal Communicators, PDAs  
Wireless Data Loggers  
Continuously Adjustable GaAsFET Bias  
LCD-Bias Contrast Control  
8 SO  
Dice*  
8 SO  
-25°C to +85°C  
-40°C to +85°C  
0°C to +70°C  
8 SO  
Dice*  
8 SO  
Regulated Negative Power Supplies  
-25°C to +85°C  
-40°C to +85°C  
8 SO  
__________Typ ic a l Op e ra t in g Circ u it  
* Dice are specified at T = +25°C only.  
A
V
IN  
= 2.5V to 10.0V  
(3 CELLS)  
__________________P in Co n fig u ra t io n  
0.22µF  
IN  
C1+  
C1-  
TOP VIEW  
V
= -2.0V  
OUT  
0.22µF  
(V of GaAsFET)  
GG  
MAX840  
OUT  
FB  
1
2
3
4
8
7
6
5
C1+  
C1-  
IN  
4.7µF  
NEGOUT  
GND  
OUT  
MAX840  
MAX843  
MAX844  
0.22µF  
NEGOUT  
SHDN  
FB (CONT)  
ON/OFF  
SHDN  
SO  
GND  
( ) ARE FOR MAX843/MAX844  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800  

MAX843ESA 替代型号

型号 品牌 替代类型 描述 数据表
MAX843ISA+T MAXIM

完全替代

Switched Capacitor Regulator, 100kHz Switching Freq-Max, CMOS, PDSO8, SO-8
MAX843ISA MAXIM

类似代替

Low-Noise, Regulated, -2V GaAsFET Bias

与MAX843ESA相关器件

型号 品牌 获取价格 描述 数据表
MAX843ESA-T MAXIM

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Switched Capacitor Regulator, 100kHz Switching Freq-Max, CMOS, PDSO8, SOP-8
MAX843ISA MAXIM

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Low-Noise, Regulated, -2V GaAsFET Bias
MAX843ISA+ MAXIM

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Switched Capacitor Regulator, 100kHz Switching Freq-Max, CMOS, PDSO8, SOP-8
MAX843ISA+T MAXIM

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Switched Capacitor Regulator, 100kHz Switching Freq-Max, CMOS, PDSO8, SO-8
MAX843ISA-T MAXIM

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Switched Capacitor Regulator, 100kHz Switching Freq-Max, CMOS, PDSO8, SOP-8
MAX844 MAXIM

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Low-Noise.Regulated.-2V GaAsFET Bias
MAX844C/D MAXIM

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Low-Noise, Regulated, -2V GaAsFET Bias
MAX844ESA MAXIM

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Low-Noise, Regulated, -2V GaAsFET Bias
MAX844ESA+ MAXIM

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Switched Capacitor Regulator, 100kHz Switching Freq-Max, CMOS, PDSO8, SOP-8
MAX844ESA+T MAXIM

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Switched Capacitor Regulator, 100kHz Switching Freq-Max, CMOS, PDSO8, SO-8