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LTC660CN8 PDF预览

LTC660CN8

更新时间: 2024-02-09 08:57:08
品牌 Logo 应用领域
凌特 - Linear 转换器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
页数 文件大小 规格书
12页 265K
描述
100mA CMOS Voltage Converter

LTC660CN8 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:DIP包装说明:DIP, DIP8,.3
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:7.46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 VJESD-30 代码:R-PDIP-T8
JESD-609代码:e3湿度敏感等级:1
功能数量:1端子数量:8
最高工作温度:70 °C最低工作温度:
最大输出电流:0.1 A封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP8,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:3.937 mm子类别:Other Analog ICs
最大供电电流 (Isup):3 mA表面贴装:NO
切换器配置:DOUBLER INVERTER最大切换频率:45 kHz
技术:CMOS温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.62 mm
Base Number Matches:1

LTC660CN8 数据手册

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LTC660  
100mA CMOS  
Voltage Converter  
U
FEATURES  
DESCRIPTION  
The LTC®660 is a monolithic CMOS switched-capacitor  
voltage converter. It performs supply voltage conversion  
from positive to negative from an input range of 1.5V to  
5.5V, resulting in complementary output voltages of  
1.5V to 5.5V. It also performs a doubling at an input  
voltage range of 2.5V to 5.5V, resulting in a doubled  
output voltage of 5V to 11V. Only two external capacitors  
are needed for the charge pump and charge reservoir  
functions.  
Simple Conversion of 5V to 5V Supply  
Output Drive: 100mA  
ROUT: 6.5(0.65V Loss at 100mA)  
BOOST Pin (Pin 1) for Higher Switching Frequency  
Inverting and Doubling Modes  
Minimum Open Circuit Voltage Conversion  
Efficiency: 99%  
Typical Power Conversion Efficiency  
with a 100mA Load: 88%  
Easy to Use  
The converter has an internal oscillator that can be  
overdriven by an external clock or slowed down when  
connected to a capacitor. The oscillator runs at a 10kHz  
frequency when unloaded. A higher frequency outside the  
audio band can also be obtained if the BOOST pin is tied  
to V+.  
U
APPLICATIONS  
Conversion of 5V to ±5V Supplies  
Inexpensive Negative Supplies  
Data Acquisition Systems  
High Current Upgrade to LTC1044 or LTC7660  
TheLTC660containsaninternaloscillator, divide-by-two,  
voltage level shifter and four power MOSFETs.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATION  
Output Voltage vs  
Generating 5V from 5V  
Load Current for V+ = 5V  
–5.0  
1
2
3
4
8
7
6
5
+
5V INPUT  
BOOST  
V
T
= 25°C  
OUT  
A
R
= 6.5Ω  
+
CAP  
OSC  
LV  
–4.8  
–4.6  
–4.4  
–4.2  
–4.0  
+
LTC660  
C1  
150µF  
GND  
–5V  
OUTPUT  
CAP  
V
OUT  
C2  
150µF  
+
660 TA01  
0
20  
40  
60  
80  
100  
LOAD CURRENT (mA)  
660 TA02  
1

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