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ICL7660SIBA-T7 PDF预览

ICL7660SIBA-T7

更新时间： 2024-11-08 14:51:19
品牌 Logo 应用领域
瑞萨 - RENESAS /
页数 文件大小 规格书
13页 364K
描述
SWITCHED CAPACITOR CONVERTER

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ICL7660SIBA-T7 技术参数

生命周期：Obsolete包装说明：,
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.64
模拟集成电路 - 其他类型：SWITCHED CAPACITOR CONVERTERBase Number Matches：1

ICL7660SIBA-T7 数据手册

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ICL7660S, ICL7660A  
Data Sheet  
January 23, 2013  
FN3179.7  
Super Voltage Converters  
Features  
The ICL7660S and ICL7660A Super Voltage Converters are  
monolithic CMOS voltage conversion ICs that guarantee  
significant performance advantages over other similar  
devices. They are direct replacements for the industry  
standard ICL7660 offering an extended operating supply  
voltage range up to 12V, with lower supply current. A  
Frequency Boost pin has been incorporated to enable the  
user to achieve lower output impedance despite using smaller  
capacitors. All improvements are highlighted in the “Electrical  
Specifications” section on page 3. Critical parameters are  
guaranteed over the entire commercial and industrial  
temperature ranges.  
• Guaranteed Lower Max Supply Current for All  
Temperature Ranges  
• Wide Operating Voltage Range: 1.5V to 12V  
• 100% Tested at 3V  
• Boost Pin (Pin 1) for Higher Switching Frequency  
• Guaranteed Minimum Power Efficiency of 96%  
• Improved Minimum Open Circuit Voltage Conversion  
Efficiency of 99%  
• Improved SCR Latchup Protection  
• Simple Conversion of +5V Logic Supply to ±5V Supplies  
The ICL7660S and ICL7660A perform supply voltage  
conversions from positive to negative for an input range of  
1.5V to 12V, resulting in complementary output voltages of  
-1.5V to -12V. Only two non-critical external capacitors are  
needed, for the charge pump and charge reservoir functions.  
The ICL7660S and ICL7660A can be connected to function  
as a voltage doubler and will generate up to 22.8V with a  
12V input. They can also be used as a voltage multipliers or  
voltage dividers.  
• Simple Voltage Multiplication V  
= (-)nV  
IN  
OUT  
• Easy to Use; Requires Only Two External Non-Critical  
Passive Components  
• Improved Direct Replacement for Industry Standard  
ICL7660 and Other Second Source Devices  
• Pb-Free Available (RoHS Compliant)  
Applications  
Each chip contains a series DC power supply regulator, RC  
oscillator, voltage level translator, and four output power  
MOS switches. The oscillator, when unloaded, oscillates at a  
nominal frequency of 10kHz for an input supply voltage of  
5.0V. This frequency can be lowered by the addition of an  
external capacitor to the “OSC” terminal, or the oscillator  
may be over-driven by an external clock.  
• Simple Conversion of +5V to ±5V Supplies  
• Voltage Multiplication V  
= ±nV  
IN  
OUT  
• Negative Supplies for Data Acquisition Systems and  
Instrumentation  
• RS232 Power Supplies  
• Supply Splitter, V  
OUT  
= ±V  
S
The “LV” terminal may be tied to GND to bypass the internal  
series regulator and improve low voltage (LV) operation. At  
medium to high voltages (3.5V to 12V), the LV pin is left  
floating to prevent device latchup.  
In some applications, an external Schottky diode from V  
OUT  
to CAP- is needed to guarantee latchup free operation (see  
Do’s and Dont’s section on page 8).  
Pin Configurations  
ICL7660S  
(8 LD PDIP, SOIC)  
TOP VIEW  
ICL7660A  
(8 LD PDIP, SOIC)  
TOP VIEW  
BOOST  
CAP+  
GND  
1
2
3
4
8
7
6
5
V+  
NC  
1
2
3
4
8
V+  
OSC  
LV  
CAP+  
GND  
7
6
5
OSC  
LV  
CAP-  
V
CAP-  
V
OUT  
OUT  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 1999, 2004, 2005, 2008, 2011, 2013. All Rights Reserved  
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.  
All other trademarks mentioned are the property of their respective owners.  
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