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MAX881REUB

更新时间： 2024-10-01 22:24:11
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
8页 113K
描述
Low-Noise Bias Supply in レMAX with Power-OK for GaAsFET PA

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MAX881REUB 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：UMAX-10针数：10
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：7.69模拟集成电路 - 其他类型：SWITCHED CAPACITOR REGULATOR
最大输入电压：5.5 V最小输入电压：2.5 V
标称输入电压：3.6 VJESD-30 代码：S-PDSO-G10
JESD-609代码：e0长度：3 mm
湿度敏感等级：1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最大输出电流：0.004 A
最大输出电压：-4.9 V最小输出电压：-0.5 V
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP10,.19,20封装形状：SQUARE
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：245
认证状态：Not Qualified座面最大高度：1.1 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：120 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：0.5 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 mm
Base Number Matches：1

MAX881REUB 数据手册

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19-1372; Rev 1; 6/98  
Lo w -No is e Bia s S u p p ly in µMAX  
w it h P o w e r-OK fo r Ga As FET PA  
MAX81R  
Ge n e ra l De s c rip t io n  
Fe a t u re s  
The MAX881R low-noise, inverting power supply is  
d e s ig ne d for b ia s ing Ga As FET p owe r a mp lifie rs in  
portable wireless applications. This device is a charge-  
pump inverter followed by a negative linear regulator.  
The input voltage range is 2.5V to 5.5V. The output is  
preset at -2.0V or can be set, using two resistors, to any  
♦ Small µMAX Package  
♦ 1mVp-p Output Voltage Ripple and Noise  
♦ Power-OK Signal to Control GaAsFET Drain  
Switch  
♦ 0.05µA Logic-Controlled Shutdown  
♦ 1ms Guaranteed Start-Up  
♦ 2.5V to 5.5V Input  
voltage from -0.5V to (-V + 0.6V). It can deliver up to  
IN  
4mA. The internal linear regulator also filters the output  
to 1mVp-p ripple and noise.  
Other features include a power-OK (POK) output that sig-  
nals when the negative voltage is within 7.5% of its set  
point. It protects the GaAsFET by not allowing power to  
be applied to the GaAsFET’s drain until it is properly  
biased. The signal can be routed either to a microcon-  
troller or directly to a switch at the GaAsFET drain. The  
MAX881R is available in a space-saving 10-pin µMAX  
package.  
♦ -0.5V to (-V + 0.6V) Output at up to 4mA  
IN  
♦ Operates with One 4.7µF and Three 0.22µF  
Capacitors (no inductors needed)  
Ap p lic a t io n s  
Cell Phones  
Ord e rin g In fo rm a t io n  
PCS Phones  
PHS Phones  
PART  
TEMP. RANGE  
PIN-PACKAGE  
MAX881REUB  
-40°C to +85°C  
10 µMAX  
Wireless Handsets  
Wireless Modems  
Two-Way Pagers  
Mobile Radios  
Wireless Computers  
Typ ic a l Op e ra t in g Circ u it  
P in Co n fig u ra t io n  
TOP VIEW  
OUTPUT  
-2V (OR ADJ)  
4mA, 1mVp-p  
RIPPLE  
INPUT  
2.5V TO 5.5V  
IN  
OUT  
C1+  
C1-  
1
2
3
4
5
10 IN  
MAX881R  
9
8
7
6
N.C.  
GND  
OUT  
FB  
ON  
SHDN  
C1+  
MAX881R  
OFF  
NEGOUT  
POK  
CONTROLS  
GaAsFET PA’s  
DRAIN SWITCH  
POK  
GND  
SHDN  
C1-  
NEGOUT FB  
µMAX  
N.C. = NOT INTERNALLY CONNECTED  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.  
For small orders, phone 408-737-7600 ext. 3468.  
12345678

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MAX881REUB 替代型号

型号 品牌 替代类型 描述 数据表
MAX881REUB+ MAXIM

类似代替

 Switched Capacitor Regulator, 0.004A, 120kHz Switching Freq-Max, GAAS, PDSO10, UMAX-10
MAX881REUB-T MAXIM

功能相似

 Switched Capacitor Regulator, 0.004A, 120kHz Switching Freq-Max, GAAS, PDSO10, UMAX-10

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