欢迎访问ic37.com |
会员登录 免费注册
发布采购

TC682CPA 参数 Datasheet PDF下载

TC682CPA图片预览
型号: TC682CPA
PDF下载: 下载PDF文件 查看货源
内容描述: 反相电压倍增 [INVERTING VOLTAGE DOUBLER]
分类和应用: 光电二极管
文件页数/大小: 6 页 / 82 K
品牌: TELCOM [ TELCOM SEMICONDUCTOR, INC ]
 浏览型号TC682CPA的Datasheet PDF文件第2页浏览型号TC682CPA的Datasheet PDF文件第3页浏览型号TC682CPA的Datasheet PDF文件第4页浏览型号TC682CPA的Datasheet PDF文件第5页浏览型号TC682CPA的Datasheet PDF文件第6页  
EVALUATION
KIT
AVAILABLE
1
TC682
INVERTING VOLTAGE DOUBLER
FEATURES
s
s
s
s
s
s
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 Plastic DIP
Packages
GENERAL DESCRIPTION
The TC682 is a CMOS charge pump converter that
provides an inverted doubled output from a single positive
supply. An on-board 12kHz (typical) oscillator provides the
clock and only 3 external capacitors are required for full
circuit implementation.
Low output source impedance (typically 140Ω), pro-
vides output current up to 10mA. The TC682 features 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 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.
2
3
4
5
6
7
8
7
NC
C1+
VIN
GND
TC682-2 8/21/96
APPLICATIONS
s
s
s
s
s
s
s
– 10V from +5V Logic Supply
– 6V from a Single 3V Lithium Cell
Portable Handheld Instruments
Cellular Phones
LCD Display Bias Generator
Panel Meters
Operational Amplifier Power Supplies
ORDERING INFORMATION
Part No.
TC682COA
TC682CPA
TC682EOA
TC682EPA
TC7660EV
Package
8-Pin SOIC
8-Pin Plastic DIP
8-Pin SOIC
8-Pin Plastic DIP
Evaluation Kit for
Charge Pump Family
Temp. Range
0°C to +70°C
0°C to +70°C
– 40°C to +85°C
– 40°C to +85°C
TYPICAL OPERATING CIRCUIT
VIN
+2.4V < VIN < +5.5V
PIN CONFIGURATIONS
C1+
C1–
C2+
C2–
TC682
VOUT
GND
VOUT = – (2 x VIN )
VOUT
+
COUT
C1– 1
C2+ 2
C2– 3
VOUT
4
TC682COA
TC682EOA
VIN
C1–
C2+
C2–
VOUT
1
2
3
4
8-Pin DIP
8
7
TC682CPA
TC682EPA
6
5
NC
C1+
VIN
GND
+
C1
+
C2
8-Pin SOIC
GND
All Caps = 3.3
µ
F
6
5
8
4-21
TELCOM SEMICONDUCTOR, INC.