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TC1121EPA PDF预览

TC1121EPA

更新时间: 2024-09-17 22:34:23
品牌 Logo 应用领域
美国微芯 - MICROCHIP 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
14页 444K
描述
100mA Charge Pump Voltage Converter with Shutdown

TC1121EPA 技术参数

是否Rohs认证:符合生命周期:Obsolete
零件包装代码:DIP包装说明:PLASTIC, DIP-8
针数:8Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.63Is Samacsys:N
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:2.4 V标称输入电压:5 V
JESD-30 代码:R-PDIP-T8JESD-609代码:e3
长度:9.5 mm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:0.06 A
最大输出电压:-5.5 V最小输出电压:-2.4 V
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP8,.3封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:5.08 mm
子类别:Other Analog ICs表面贴装:NO
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:Matte Tin (Sn)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.62 mm
Base Number Matches:1

TC1121EPA 数据手册

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TC1121  
M
100mA Charge Pump Voltage Converter with Shutdown  
Features  
Package Type  
• Optional High-Frequency Operation Allows Use of  
Small Capacitors  
8-Pin PDIP  
• Low Operating Current (FC = GND)  
- 50µA  
• High Output Current (100mA)  
+
FC  
CAP+  
GND  
1
2
3
4
8
7
6
5
V
OSC  
TC1121CPA  
TC1121EPA  
• Converts a 2.4V to 5.5V Input Voltage to a  
Corresponding Negative Output Voltage  
(Inverter Mode)  
SHDN  
CAP–  
OUT  
V
• Uses Only 2 Capacitors; No Inductors Required  
• Selectable Oscillator Frequency  
- 10kHz to 200kHz  
8-Pin SOIC  
8-Pin MSOP  
• Power-Saving Shutdown Input  
• Available in 8-Pin MSOP, 8-Pin PDIP and 8-Pin  
Small Outline (SOIC) Packages  
+
FC  
CAP+  
GND  
1
2
3
4
8
7
6
5
V
TC1121COA  
TC1121EOA  
TC1121CUA  
TC1121EUA  
OSC  
Applications  
SHDN  
• Laptop Computers  
• Medical Instruments  
• Disk Drives  
CAP–  
OUT  
V
µP-Based Controllers  
• Process Instrumentation  
General Description  
The TC1121 is a charge pump converter with 100mA  
output current capability. It converts a 2.4V to 5.5V  
input to a corresponding negative output voltage. As  
with all charge pump converters, the TC1121 uses no  
inductors saving cost, size and EMI.  
Device Selection Table  
Operating  
Part  
Package  
Temp.  
Range  
Number  
An on-board oscillator operates at a typical frequency  
of 10kHz (at V+ = 5V) when the frequency control input  
(FC) is connected to ground. The oscillator frequency  
increases to 200kHz when FC is connected to V+,  
allowing the use of smaller capacitors. Operation at  
sub-10kHz frequencies results in lower quiescent  
NScurrent and is accomplished with the addition of an  
external capacitor from OSC (pin 7) to ground. The  
TC1121 also can be driven from an external clock  
NSconnected OSC. Typical supply current at 10kHz is  
50µA, and falls to less than 1µA when the shutdown  
input is brought low, whether the internal or an external  
clock is used. The TC1121 is available in 8-pin SOIC,  
MSOP and PDIP packages.  
TC1121COA  
TC1121CPA  
TC1121CUA  
TC1121EOA  
TC1121EPA  
TC1121EUA  
8-Pin SOIC  
8-Pin PDIP  
8-Pin MSOP  
8-Pin SOIC  
8-Pin PDIP  
8-Pin MSOP  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
2002 Microchip Technology Inc.  
DS21358B-page 1  

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