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| 型号： | TC682CPA |
| 厂商： | Microchip Technology |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | IC REG SWITCHED CAP DBL INV 8DIP |
| 标准包装： | 60 |
| 类型： | 切换式电容器（充电泵），倍增器，反相 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | -4.8 V ~ -11 V |
| 输入电压： | 2.4 V ~ 5.5 V |
| 频率 - 开关： | 12kHz |
| 电流 - 输出： | 10mA |
| 同步整流器： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 包装： | 管件 |
| 供应商设备封装： | 8-PDIP |
TC682
Inverting Voltage Doubler
Features:
? 99.9% Voltage Conversion Efficiency
? 92% Power Conversion Efficiency
? Wide Input Voltage Range:
- +2.4V to +5.5V
? Only 3 External Capacitors Required
? 185 μ A Supply Current
? Space-Saving 8-Pin SOIC and 8-Pin PDIP
Packages
Applications:
General Description:
The TC682 is a CMOS charge pump converter that
provides an inverted doubled output from a single
positive supply. An on-board 12 kHz (typical) oscillator
provides the clock and only 3 external capacitors are
required for full circuit implementation.
Low output source impedance (typically 140 Ω ),
provides output current up to 10 mA. The TC682 fea-
tures low quiescent current and high efficiency, making
it the ideal choice for a wide variety of applications that
require a negative voltage derived from a single
positive supply (for example: generation of -6V from a
?
?
?
?
?
?
-10V from +5V Logic Supply
-6V from a Single 3V Lithium Cell
Portable Handheld Instruments
Cellular Phones
LCD Display Bias Generator
Panel Meters
3V lithium cell or -10V generated from a +5V logic
supply).
The minimum external parts count and small physical
size of the TC682 make it useful in many medium-
current, dual voltage analog power supplies.
Functional Block Diagram
? Operational Amplifier Power Supplies
Device Selection Table
V IN
+2.4V < V IN < +5.5V
C 2 –
Part
Number
TC682COA
TC682CPA
TC682EOA
TC682EPA
Package
8-Pin SOIC
8-Pin PDIP
8-Pin SOIC
8-Pin PDIP
Operating
Temp.
Range
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
C 1
C 2
+
–
+
–
V IN
C 1 +
C 1 –
TC682
C 2 +
V OUT
V OUT = -(2 x V IN )
V OUT
Package Type
8-Pin PDIP
GND
GND
All Caps = 3.3 μ F
8-Pin SOIC
+
C OUT
C 1 – 1
8
NC
C 1 –
1
8
NC
C 2 + 2
C 2 – 3
V OUT 4
TC682CPA
TC682EPA
7
6
5
C 1 +
V IN
GND
C 2 +
C 2 –
V OUT
2
3
4
TC682COA
TC682EOA
7
6
5
C 1 +
V IN
GND
? 2006 Microchip Technology Inc.
DS21453C-page 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC682EOA | 功能描述:电荷泵 Inverting V Doubler RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| TC682EOA713 | 功能描述:电荷泵 Inverting V Doubler RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| TC682EPA | 功能描述:电荷泵 Inverting V Doubler RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| TC68-4C5RM | 制造商:Vishay Sprague 功能描述:SOLID-ELECTROLYTE TANTALEX CAPACITORS,RESIN-COATED, RADIAL- - Bulk |
| TC68A | 制造商:CDE 制造商全称:Cornell Dubilier Electronics 功能描述:Axial Leaded Aluminum Electrolytic Capacitors |
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