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参数资料
| 型号： | TC7662BCOA |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHED CAPACITOR REGULATOR, 35 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | SOIC-8 |
| 文件页数： | 1/11页 |
| 文件大小： | 92K |
| 代理商： | TC7662BCOA |
TC7662B
TC7662B-8 9/11/96
EVALUATION
KIT
AVAILABLE
2001 Microchip Technology Inc.
DS21469A
CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER
FEATURES
s
Wide Operating Voltage Range: 1.5V to 15V
s
Boost Pin (Pin 1) for Higher Switching Frequency
s
High Power Efficiency is 96%
s
Easy to Use – Requires Only 2 External Non-Critical
Passive Components
s
Improved Direct Replacement for Industry Stan-
dard ICL7660 and Other Second Source Devices
APPLICATIONS
s
Simple Conversion of +5V to
±5V Supplies
s
Voltage Multiplication VOUT =
±nV
IN
s
Negative Supplies for Data Acquisition Systems
and Instrumentation
s
RS232 Power Supplies
s
Supply Splitter, VOUT =
±V
S/2
GENERAL DESCRIPTION
The TC7662B is a pin-compatible upgrade to the Indus-
try standard TC7660 charge pump voltage converter. It
converts a +1.5V to +15V input to a corresponding – 1.5 to
– 15V output using only two low-cost capacitors, eliminating
inductors and their associated cost, size and EMI.
The on-board oscillator operates at a nominal fre-
quency of 10kHz. Frequency is increased to 35kHz when
pin 1 is connected to V+, allowing the use of smaller external
capacitors. Operation below 10kHz (for lower supply current
applications) is also possible by connecting an external
capacitor from OSC to ground (with pin 1 open).
The TC7662B is available in both 8-pin DIP and 8-pin
small outline (SO) packages in commercial and extended
temperature ranges.
FUNCTIONAL BLOCK DIAGRAM
TC7662B
GND
INTERNAL
VOLTAGE
REGULATOR
RC
OSCILLATOR
VOLTAGE–
LEVEL
TRANSLATOR
÷ 2
V + CAP +
82
7
6
OSC
LV
3
LOGIC
NETWORK
VOUT
5
CAP –
4
1
BOOST
1
2
3
4
8
7
6
5
TC7662BCPA
TC7662BEPA
BOOST
CAP +
GND
CAP –
VOUT
LOW
VOLTAGE (LV)
OSC
+
V
1
2
3
4
8
7
6
5
TC7662BCOA
TC7662BEOA
BOOST
CAP +
GND
CAP –
VOUT
LOW
VOLTAGE (LV)
OSC
+
V
PIN CONFIGURATION (DIP AND SOIC)
ORDERING INFORMATION
Temperature
Part No.
Package
Range
TC7662BCOA
8-Pin SOIC
0
°C to +70°C
TC7662BCPA
8-Pin Plastic DIP
0
°C to +70°C
TC7662BEOA
8-Pin SOIC
– 40
°C to +85°C
TC7662BEPA
8-Pin Plastic DIP
– 40
°C to +85°C
TC7660EV
Evaluation Kit for
Charge Pump Family
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC7662BCOA | 制造商:Microchip Technology Inc 功能描述:DC/DC CONVERTER SMD 7662 SOIC8 |
| TC7662BCOA713 | 功能描述:电荷泵 High Voltage 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 |
| TC7662BCPA | 功能描述:电荷泵 High Voltage 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 |
| TC7662BCPA | 制造商:Microchip Technology Inc 功能描述:DC/DC Charge Pump Converter (DC-DC) IC |
| TC7662BEOA | 功能描述:电荷泵 High Voltage 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 |
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