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CAT661EVA-T3 PDF预览

CAT661EVA-T3

更新时间： 2024-11-14 04:35:47
品牌 Logo 应用领域
CATALYST 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管泵PC
页数 文件大小 规格书
17页 173K
描述
High Frequency 100mA CMOS Charge Pump, Inverter/Doubler

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中文翻译

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CAT661EVA-T3 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：SOIC包装说明：SOP, SOP8,.25
针数：8Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.12Samacsys Confidence：4
Samacsys Status：ReleasedSamacsys PartID：795602
Samacsys Pin Count：8Samacsys Part Category：Power Supply
Samacsys Package Category：Small Outline PackagesSamacsys Footprint Name：8-Pin SOIC
Samacsys Released Date：2017-06-26 07:41:32Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHED CAPACITOR CONVERTER最大输入电压：5.5 V
最小输入电压：1.5 V标称输入电压：5 V
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：4.9 mm功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C标称输出电压：11 V
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.75 mm
子类别：Other Analog ICs表面贴装：YES
切换器配置：DOUBLER INVERTER技术：CMOS
温度等级：INDUSTRIAL端子面层：MATTE TIN
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：3.9 mmBase Number Matches：1

CAT661EVA-T3 数据手册

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E
CAT661  
High Frequency 100mA CMOS Charge Pump, Inverter/Doubler  
TM  
FEATURES  
■ Converts V+ to V- or V+ to 2V+  
■ Low output resistance, 10Ω max.  
■ High power efficiency  
■ Pin-compatible to MAX660, LTC660 with higher  
frequency operation  
■ Available in 8-pin SOIC andDIP packages  
■ Lead-free, halogen-free package option  
■ Selectable charge pump frequency of 25kHz  
or 135kHz; optimize capacitor size.  
■ Low quiescent current  
APPLICATIONS  
■ Negative voltage generator  
■ Voltage doubler  
■ Low EMI power source  
■ Instrumentation  
■ GaAs FET biasing  
■ LCD contrast bias  
■ Voltage splitter  
■ Lithium battery power supply  
■ Cellular phones, pagers  
DESCRIPTION  
The CAT661 is a charge-pump voltage converter. It can  
invert a positive input voltage to a negative output. Only  
two external capacitors are needed. With a guaranteed  
100mAoutputcurrentcapability,theCAT661canreplace  
a switching regulator and its inductor. Lower EMI is  
achieved due to the absence of an inductor.  
connected to V+. The operating frequency can also be  
adjusted with an external capacitor at the OSC pin or by  
driving OSC with an external clock.  
Both 8-pin DIP and SO packages are available. For die  
availability, contact Catalyst Semiconductor marketing.  
The CAT661 can replace the MAX660 and the LTC660  
in applications where higher oscillator frequency and  
smaller capacitors are needed. In addition, the CAT661  
is pin compatible with the 7660/1044, offering an easy  
upgrade for applications with 100mA loads.  
In addition, the CAT661 can double a voltage supplied  
from a battery or power supply. Inputs from 2.5V to 5.5V  
will yield a doubled, 5V to 11V output.  
A Frequency Control pin (BOOST/FC) is provided to  
select either a high (typically 135kHz) or low (25kHz)  
internal oscillator frequency, thus allowing quiescent  
current vs. capacitor size trade-offs to be made. The  
135kHz frequency is selected when the FC pin is  
TYPICAL APPLICATION  
+V  
IN  
1.5V to 5.5V  
Doubled  
Positive  
Voltage  
Output  
1
2
3
4
BOOST/FC  
V+  
OSC  
LV  
8
7
6
5
1
2
3
4
BOOST/FC  
CAP+  
V+  
OSC  
LV  
8
7
6
5
CAP+ CAT661  
GND  
C1  
+
C1  
Inverted  
Negative  
Voltage  
Output  
CAT661  
+
GND  
CAP-  
V
= 2.5V to 5.5V  
IN  
CAP-  
OUT  
OUT  
VOLTAGE INVERTER  
POSITIVE VOLTAGE DOUBLER  
© Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice  
Doc. No. MD-5003, Rev. K  
1
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