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TC7660CPAG PDF预览

TC7660CPAG

更新时间: 2024-11-23 13:14:31
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美国微芯 - MICROCHIP 转换器
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12页 93K
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TC7660CPAG 数据手册

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EVALUATION  
KIT  
AVAILABLE  
TC7660  
CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER  
GENERAL DESCRIPTION  
FEATURES  
The TC7660 is a pin-compatible replacement for the  
Industry standard TC7660 charge pump voltage converter.  
It converts a +1.5V to +10V input to a corresponding – 1.5V  
to -10V output using only two low-cost capacitors, eliminat-  
ing inductors and their associated cost, size and EMI.  
The on-board oscillator operates at a nominal fre-  
quency of 10kHz. Operation below 10kHz (for lower supply  
current applications) is possible by connecting an external  
capacitor from OSC to ground (with pin 1 open).  
The TC7660 is available in both 8-pin DIP and 8-pin  
SOIC packages in commercial and extended temperature  
ranges.  
Converts +5V Logic Supply to ±5V System  
Wide Input Voltage Range ....................1.5V to 10V  
Efficient Voltage Conversion......................... 99.9%  
Excellent Power Efficiency ............................... 98%  
Low Power Supply...............................80µA @ 5VIN  
Low Cost and Easy to Use  
— Only Two External Capacitors Required  
RS232 Negative Power Supply  
Available in Small Outline (SO) Package  
Improved ESD Protection ....................... Up to 3kV  
No Dx Diode Required for High Voltage Operation  
ORDERING INFORMATION  
PIN CONFIGURATION (DIP and SOIC)  
Temperature  
Part No.  
Package  
Range  
+
V
+
NC  
1
2
3
4
8
7
6
5
NC  
8
7
6
5
V
1
2
3
4
TC7660COA  
TC7660CPA  
TC7660EOA  
TC7660EPA  
TC7660IJA  
TC7660MJA  
TC7660EV  
8-Pin SOIC  
0°C to +70°C  
0°C to +70°C  
+
+
OSC  
CAP  
GND  
CAP  
CAP  
GND  
OSC  
8-Pin Plastic DIP  
8-Pin SOIC  
LOW  
VOLTAGE (LV)  
LOW  
VOLTAGE (LV)  
TC7660COA  
TC7660CPA  
TC7660CPA  
TC7660EPA  
TC7660IJA  
– 40°C to +85°C  
– 40°C to +85°C  
– 40°C to +85°C  
– 55°C to +125°C  
V
V
CAP  
OUT  
OUT  
8-Pin Plastic DIP  
8-Pin CerDIP  
8-Pin CerDIP  
Evaluation Kit for  
NC = NO INTERNAL CONNECTION  
Charge Pump Family  
FUNCTIONAL BLOCK DIAGRAM  
+
+
V
CAP  
8
2
VOLTAGE–  
LEVEL  
TRANSLATOR  
7
6
RC  
4
÷ 2  
OSC  
LV  
CAP  
OSCILLATOR  
5
V
OUT  
INTERNAL  
VOLTAGE  
REGULATOR  
LOGIC  
NETWORK  
TC7660  
3
GND  
© 2001 Microchip Technology Inc. DS21465A  
TC7660-7 9/30/96  

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