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TC7660S

更新时间： 2024-11-22 22:49:55
品牌 Logo 应用领域
TELCOM 转换器泵
页数 文件大小 规格书
8页 138K
描述
SUPER CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER

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中文翻译

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TC7660S 数据手册

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4
EVALUATION  
KIT  
AVAILABLE  
TC7660S  
SUPER CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER  
FEATURES  
GENERAL DESCRIPTION  
■ Oscillator boost from 10kHz to 45kHz  
■ Converts +5V Logic Supply to ±5V System  
■ Wide Input Voltage Range .................... 1.5V to 12V  
■ Efficient Voltage Conversion......................... 99.9%  
■ Excellent Power Efficiency ............................... 98%  
■ Low Power Supply..............................80µA @ 5 VIN  
■ Low Cost and Easy to Use  
— Only Two External Capacitors Required  
■ Available in Small Outline (SOIC) Package  
■ Improved ESD Protection ..................... Up to 10kV  
■ No External Diode Required for High Voltage  
Operation  
The TC7660S is a pin-compatible upgrade to the Indus-  
try standard TC7660 charge pump voltage converter. It  
converts a +1.5V to +12V input to a corresponding -1.5V to  
-12V output using only two low-cost capacitors, eliminating  
inductors and their associated cost, size and EMI. Added  
features include an extended supply range to 12V, and a  
frequencyboostpinforhigheroperatingfrequency, allowing  
the use of smaller external capacitors.  
Theon-boardoscillatoroperatesatanominalfrequency  
of 10kHz. Frequency is increased to 45kHz when pin 1 is  
connected to V+. Operation below 10kHz (for lower supply  
current applications) is possible by connecting an external  
capacitor from OSC to ground (with pin 1 open).  
The TC7660S is available in both 8-pin DIP and 8-pin  
small outline (SOIC) packages in commercial and extended  
temperature ranges.  
ORDERING INFORMATION  
Temperature  
Part No.  
Package  
Range  
TC7660SCOA  
TC7660SCPA  
TC7660SEJA  
TC7660SEOA  
TC7660SEPA  
TC7660SMJA  
TC7660EV  
8-Pin SOIC  
0°C to +70°C  
0°C to +70°C  
PIN CONFIGURATION (DIP and SOIC)  
8-Pin Plastic DIP  
8-Pin CerDIP  
8-Pin SOIC  
– 40°C to +85°C  
– 40°C to +85°C  
– 40°C to +85°C  
– 55°C to +125°C  
+
V
+
Boost  
8
7
6
5
Boost  
1
2
3
4
8
7
6
5
1
2
3
4
V
+
+
OSC  
CAP  
CAP  
OSC  
LOW  
VOLTAGE (LV)  
8-Pin Plastic DIP  
8-Pin CerDIP  
Evaluation Kit for  
LOW  
VOLTAGE (LV)  
GND  
TC7660SCPA  
TC7660SEJA  
TC7660SEPA  
GND  
TC7660SCOA  
TC7660SEOA  
–
CAP  
–
V
CAP  
V
OUT  
OUT  
Charge Pump Family  
FUNCTIONAL BLOCK DIAGRAM  
+
+
V
CAP  
2
8
1
BOOST  
VOLTAGE–  
LEVEL  
TRANSLATOR  
7
6
RC  
4
÷ 2  
–
OSC  
LV  
CAP  
V
OSCILLATOR  
5
OUT  
INTERNAL  
VOLTAGE  
REGULATOR  
LOGIC  
NETWORK  
TC7660S  
3
GND  
TC7660S-14 9/16/96  
TELCOM SEMICONDUCTOR, INC.  
4-69  
12345678

中文翻译

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