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TCM851EOA

更新时间: 2024-02-20 05:58:13
品牌 Logo 应用领域
TELCOM 光电二极管
页数 文件大小 规格书
7页 77K
描述
REGULATED GaAs FET BIAS SUPPLY

TCM851EOA 技术参数

是否Rohs认证:不符合生命周期:Transferred
包装说明:SO-8Reach Compliance Code:unknown
风险等级:5.79Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHED CAPACITOR CONVERTER最大输入电压:10 V
最小输入电压:5 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e0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标称输出电压:-4.1 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电源:5/10 V
认证状态:Not Qualified子类别:Power Management Circuits
最大供电电流 (Isup):3 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
Base Number Matches:1

TCM851EOA 数据手册

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TCM850  
TCM851  
TCM852  
TCM853  
4
EVALUATION  
KIT  
AVAILABLE  
REGULATED GaAs FET BIAS SUPPLY  
FEATURES  
GENERAL DESCRIPTION  
Fixed – 4.1V or Adjustable – 0.5V to – 9V Output  
at 5mA  
4.5V to 10V Input Voltage Range  
Low Output Voltage Ripple  
The TCM850/1/2/3 combines an inverting charge pump  
and a low noise linear regulator in a single small outline  
package. They are ideal for biasing GaAS FETs in cellular  
telephone transmitter power amplifiers  
All four devices accept a range of input voltages from  
4.5Vto10.0Vandhave5mAoutputcurrentcapability. The  
TCM850/1/2 have both preset (– 4.1V) and variable (– 0.5V  
to –9.0V) output voltages that program with an external  
resistor divider. The TCM853 output voltage programs with  
an external positive control voltage. The TCM850/1/3 can  
be shutdown reducing quiescent current to less than  
0.5µA (typ) over temperature, 2µA (typ) for the TCM851.  
TCM850-852 .............................................. 2mVp-p  
TCM853...................................................... 1mVp-p  
100kHz Charge Pump Switching Frequency  
Optional External Synchronizing Clock  
Input (TCM852)  
Logic Level Shutdown Mode ................ 0.5µA Typ.  
Temperature (TCM850/852/853)  
Low Cost, 8-Pin SOIC Package  
ORDERING INFORMATION  
APPLICATIONS  
Part No.  
Package  
Temp. Range  
Cellular Phones  
TCM850COA  
TCM850EOA  
TCM851COA  
TCM851EOA  
8-Pin SOIC  
8-Pin SOIC  
8-Pin SOIC  
8-Pin SOIC  
0°C to +70°C  
– 40°C to +85°C  
0°C to +70°C  
Negative Regulated Power Supplies  
LCD Bias Contrast Control  
Adjustable GaAs FET Bias  
Wireless Data Loggers  
– 40°C to +85°C  
TCM852COA  
TCM852EOA  
TCM853COA  
TCM853EOA  
TCM850EV  
8-Pin SOIC  
8-Pin SOIC  
8-Pin SOIC  
8-Pin SOIC  
0°C to +70°C  
– 40°C to +85°C  
0°C to +70°C  
– 40°C to +85°C  
Evaluation Kit for  
TCM850/1/2/3  
FUNCTIONAL BLOCK DIAGRAM  
C1+  
C1+  
CHARGE  
PUMP  
CHARGE  
PUMP  
C1  
C1  
IN  
IN  
C1–  
C3  
C1–  
C3  
TCM850  
TCM851  
TCM852  
TCM853  
N
NEGOUT  
C2  
OUT  
C4  
N
NEGOUT  
C2  
OUT  
C4  
SHDN (TCM850)  
SHDN (TCM851)  
OSC (TCM852)  
FB  
SHDN  
(GND to SET  
VOUT = – 4.1V)  
CONT  
– 1.28V  
REF  
(CONTROL VOLTAGE)  
GND  
GND  
Figure 1.  
TC850/1/2/3-3 10/1/96  
TELCOM SEMICONDUCTOR, INC.  
4-27  

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