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LT1963AEQ-1.5 PDF预览

LT1963AEQ-1.5

更新时间： 2024-11-21 22:05:23
品牌 Logo 应用领域
凌特 - Linear 稳压器
页数 文件大小 规格书
20页 278K
描述
1.5A, Low Noise, Fast Transient Response LDO Regulators

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LT1963AEQ-1.5 数据手册

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LT1963A Series  
1.5A, Low Noise,  
Fast Transient Response  
LDO Regulators  
U
FEATURES  
DESCRIPTIO  
The LT®1963A series are low dropout regulators opti-  
mized for fast transient response. The devices are capable  
of supplying 1.5A of output current with a dropout voltage  
of 340mV. Operating quiescent current is 1mA, dropping  
to<1mAinshutdown. Quiescentcurrentiswellcontrolled;  
it does not rise in dropout as it does with many other  
regulators. In addition to fast transient response, the  
LT1963A regulators have very low output noise which  
makes them ideal for sensitive RF supply applications.  
■
Optimized for Fast Transient Response  
■
Output Current: 1.5A  
■
Dropout Voltage: 340mV  
■
Low Noise: 40mVRMS (10Hz to 100kHz)  
■
■
■
■
■
■
■
■
■
■
■
1mA Quiescent Current  
No Protection Diodes Needed  
Controlled Quiescent Current in Dropout  
Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3V  
Adjustable Output from 1.21V to 20V  
<1mA Quiescent Current in Shutdown  
Stable with 10mF Output Capacitor  
Stable with Ceramic Capacitors  
Reverse Battery Protection  
Output voltage range is from 1.21V to 20V. The LT1963A  
regulators are stable with output capacitors as low as  
10mF. Small ceramic capacitors can be used without the  
necessary addition of ESR as is common with other  
regulators. Internal protection circuitry includes reverse  
battery protection, current limiting, thermal limiting and  
reverse current protection. The devices are available in  
fixed output voltages of 1.5V, 1.8V, 2.5V, 3.3V and as an  
adjustable device with a 1.21V reference voltage. The  
LT1963A regulators are available in 5-lead TO-220, DD,  
3-lead SOT-223 and 8-lead SO packages.  
No Reverse Current  
Thermal Limiting  
U
APPLICATIO S  
■
3.3V to 2.5V Logic Power Supplies  
Post Regulator for Switching Supplies  
■
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATION  
Dropout Voltage  
400  
3.3V to 2.5V Regulator  
350  
300  
250  
200  
150  
100  
50  
2.5V  
1.5A  
10µF*  
IN  
OUT  
+
+
V
> 3V  
10µF*  
IN  
LT1963A-2.5  
SHDN SENSE  
GND  
*TANTALUM,  
CERAMIC OR  
ALUMINUM ELECTROLYTIC  
1963 TA01  
0
0.8 1.0  
0
0.2 0.4 0.6  
1.2 1.4 1.6  
OUTPUT CURRENT (A)  
1963 TA02  
1963af  
1
1234567...20

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LT1963AEQ-1.5 替代型号

型号 品牌 替代类型 描述 数据表
LT1963AEQ-1.5#PBF Linear

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 LT1963A Series - 1.5A, Low Noise, Fast Transient Response LDO Regulators; Package: DD PAK;

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