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LT3060_11 PDF预览

LT3060_11

更新时间: 2024-01-11 02:50:20
品牌 Logo 应用领域
凌特 - Linear 稳压器
页数 文件大小 规格书
26页 373K
描述
45V VIN, Micropower, Low Noise, 100mA Low Dropout, Linear Regulator

LT3060_11 数据手册

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LT3060 Series  
45V V , Micropower,  
IN  
Low Noise, 100mA Low  
Dropout, Linear Regulator  
DescripTion  
FeaTures  
The LT®3060 series are micropower, low dropout voltage  
(LDO) linear regulators that operate over a 1.6V to 45V  
input supply range. The devices supply 100mA of output  
current with a typical dropout voltage of 300mV. A single  
externalcapacitorprovidesprogrammablelownoiserefer-  
ence performance and output soft-start functionality. The  
LT3060’s quiescent current is merely 40μA and provides  
fast transient response with a minimum 2.2μF output  
capacitor. In shutdown, quiescent current is less than 1μA  
and the reference soft-start capacitor is reset.  
n
Input Voltage Range: 1.6V to 45V  
n
Output Current: 100mA  
n
Quiescent Current: 40µA  
n
Dropout Voltage: 300mV  
n
Low Noise: 30µV  
(10Hz to 100kHz)  
REF  
RMS  
n
n
n
Adjustable Output: V  
= 600mV  
Fixed Output Voltages: 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V  
Output Tolerance: 2ꢀ Over Line, Load and  
Temperature  
n
Single Capacitor Soft-Starts Reference and Lowers  
Output Noise  
Shutdown Current: < 1µA  
Reverse Battery Protection  
The LT3060 regulators optimize stability and transient  
response with low ESR, ceramic output capacitors.  
The regulators do not require the addition of ESR as is  
common with other regulators.  
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n
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Current Limit Foldback Protection  
Thermal Limit Protection  
Internal protection circuitry includes reverse-battery  
protection, reverse-output protection, reverse-current  
protection, current limit with foldback and thermal  
shutdown. The LT3060 series are available in fixed output  
voltages of 1.2V, 1.5V, 1.8V, 2.5V, 3.3V and 5V, and as an  
adjustable voltage regulator with an output voltage range  
fromthe600mVreferenceto44.5V.TheLT3060regulators  
are offered in the thermally enhanced 8-lead TSOT-23 and  
8-lead (2mm × 2mm × 0.75mm) DFN packages.  
8-Lead 2mm × 2mm × 0.75mm DFN and 8-Lead  
ThinSOT Packages  
applicaTions  
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Battery-Powered Systems  
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Automotive Power Supplies  
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Industrial Power Supplies  
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Avionic Power Supplies  
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Portable Instruments  
L, LT, LTC, LTM, Linear Technology 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.  
Dropout Voltage  
Typical applicaTion  
350  
2.5V Low Noise Regulator  
T
= 25°C  
J
300  
250  
200  
150  
100  
50  
V
OUT  
IN  
OUT  
2.5V AT 100mA  
30µV NOISE  
V
RMS  
IN  
1µF  
LT3060-2.5  
C
FF  
10nF  
3V TO  
45V  
10µF  
SHDN  
ADJ  
GND REF/BYP  
10nF  
3060 TA01  
0
0
10 20 30 40 50 60 70 80 90 100  
OUTPUT CURRENT (mA)  
3060 TA02  
3060fa  
1

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