Datasheet 搜索 > DC/DC转换器 > Microchip（微芯） > TC7660EOA 数据手册 > TC7660EOA 产品手册 1/12 页
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TC7660EOA 产品手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
DC/DC转换器
封装:
SOIC-8
描述:
MICROCHIP TC7660EOA 芯片, 电荷泵直流/直流转换器, 8SOIC
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TC7660EOA数据手册
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TC7660
TC7660-7 9/30/96
EVALUATION
KIT
AVAILABLE
© 2001 Microchip Technology Inc. DS21465A
CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER
FEATURES
■ 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 @ 5V
IN
■ 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
GENERAL DESCRIPTION
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.
ORDERING INFORMATION
Temperature
Part No. Package Range
TC7660COA 8-Pin SOIC 0°C to +70°C
TC7660CPA 8-Pin Plastic DIP 0°C to +70°C
TC7660EOA 8-Pin SOIC – 40°C to +85°C
TC7660EPA 8-Pin Plastic DIP – 40°C to +85°C
TC7660IJA 8-Pin CerDIP – 40°C to +85°C
TC7660MJA 8-Pin CerDIP – 55°C to +125°C
TC7660EV Evaluation Kit for
Charge Pump Family
FUNCTIONAL BLOCK DIAGRAM
1
2
3
4
8
7
6
5
TC7660CPA
TC7660EPA
TC7660IJA
NC
CAP
+
G
ND
CAP
–
NC
CAP
+
GND
CAP
–
V
OUT
LOW
VOLTAGE (LV)
OSC
+
V
V
OUT
LOW
VOLTAGE (LV)
OSC
+
V
NC = NO INTERNAL CONNECTION
1
2
3
4
8
7
6
5
TC7660COA
TC7660CPA
TC7660
GND
INTERNAL
VOLTAGE
REGULATOR
RC
OSCILLATOR
VOLTAGE–
LEVEL
TRANSLATOR
÷ 2
V
+
CAP
+
82
7
6
OSC
LV
3
LOGIC
NETWORK
V
OUT
5
CAP
–
4
PIN CONFIGURATION (DIP and SOIC)
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