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LTC1983

更新时间： 2024-11-06 14:57:27
品牌 Logo 应用领域
亚德诺 - ADI 泵转换器
页数 文件大小 规格书
14页 229K
描述
采用 ThinSOT 封装的 100mA 稳压充电泵负输出转换器

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中文翻译

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LTC1983 数据手册

 浏览型号LTC1983的Datasheet PDF文件第2页浏览型号LTC1983的Datasheet PDF文件第3页浏览型号LTC1983的Datasheet PDF文件第4页浏览型号LTC1983的Datasheet PDF文件第5页浏览型号LTC1983的Datasheet PDF文件第6页浏览型号LTC1983的Datasheet PDF文件第7页 
LTC1983-3/LTC1983-5  
100mA Regulated  
Charge-Pump Inverters  
in ThinSOT  
FeaTures  
DescripTion  
The LTC®1983-3 and LTC1983-5 are inverting charge  
pump DC/DC converters that produce negative regulated  
outputs. The parts require only three tiny external capaci-  
tors and can provide up to 100mA of output current. The  
n
Fixed Output Voltages: –3V, –5V or Low Noise V  
IN  
to –V Inverted Output  
IN  
n
n
n
n
n
n
n
n
±±4 Output Voltage Accuracy  
Low Quiescent Current: 25µA  
100mA Output Current Capability  
2.3V to 5.5V Operating Voltage Range  
Internal 900kHz Oscillator  
devices can operate in open loop mode (creating a –V  
IN  
supply) or regulated output mode depending on the input  
supply voltage and the output current.  
“Zero Current” Shutdown  
The LTC1983-3/LTC1983-5 have many useful features for  
portable applications including very low quiescent current  
(25µA typical) and a zero current shutdown mode pro-  
grammed through the SHDN pin.  
Short-Circuit and Over-Temperature Protected  
Low Profile (1mm) ThinSOTTM Package  
applicaTions  
The LTC1983-3/LTC1983-5 are over-temperature and  
short-circuit protected. The parts are available in a 6-pin  
low profile (1mm) ThinSOT package.  
L, LT, LTC, LTM, Linear Technology, Burst Mode and the Linear logo are registered trademarks  
and ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the  
property of their respective owners.  
n
–3V Generation in Single-Supply Systems  
n
Portable Equipment  
n
LCD Bias Supplies  
GaAs FET Bias Supplies  
n
Typical applicaTion  
–3V at 100mA DC/DC Converter  
VOUT vs IOUT  
–3.3  
V
V
= –3V  
= UP TO 100mA  
IN  
OUT  
OUT  
V
V
OUT  
IN  
3V TO 5.5V  
I
C
IN  
–3.2  
–3.1  
C
OUT  
LTC1983-3  
SHDN GND  
10µF  
10µF  
OFF ON  
+
–
V
= 5V  
IN  
C
C
–3.0  
–2.9  
–2.8  
–2.7  
1983-3 TA01  
V
= 3.3V  
C
IN  
FLY  
1µF  
C
C
: TAIYO YUDEN LMK212BJ105  
, C : TAIYO YUDEN JMK316BJ106ML  
FLY  
IN OUT  
0
20  
40  
60  
80  
100  
I
(mA)  
OUT  
1983 TA02  
1983fc  
1
For more information www.linear.com/LTC1983-3  
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