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LT3066EMSE-3.3#PBF

更新时间： 2024-11-09 15:38:39
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
26页 1895K
描述
LT3066 - 45V VIN, 500mA Low Noise, Linear Regulator with Programmable Current Limit and Active Output Discharge; Package: MSOP; Pins: 12; Temperature Range: -40°C to 85°C

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LT3066EMSE-3.3#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：MSOP针数：12
Reach Compliance Code：compliant风险等级：4.36
Base Number Matches：1

LT3066EMSE-3.3#PBF 数据手册

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LT3066 Series  
45V V , 500mA Low Noise,  
IN  
Linear Regulator with Programmable  
Current Limit and Active Output Discharge  
DescripTion  
FeaTures  
TheLT®3066seriesaremicropower,lownoise,lowdropout  
voltage (LDO) linear regulators that operate over a 1.8V  
to 45V input voltage range. The devices supply 500mA of  
output current with a typical dropout voltage of 300mV. A  
singleexternalcapacitorprovidesprogrammablelownoise  
reference performance and output soft-start functionality.  
n
Input Voltage Range: 1.8V to 45V  
Output Current: 500mA  
n
n
n
n
n
n
n
n
n
n
Active Output Discharge  
Dropout Voltage: 300mV  
Programmable Precision Current Limit: 10ꢀ  
Power Good Flag  
Input Filtering for High PSRR  
A single external resistor programs the LT3066’s current  
limit, accurate to 10% over a wide input voltage and tem-  
peraturerange.APWRGDflagindicatesoutputregulation.  
Low Noise: 25µV  
(10Hz to 100kHz)  
RMS  
Adjustable Output (V = V  
= 600mV)  
REF  
OUT(MIN)  
Output Tolerance: 2% Over Line, Load and Temperature  
Stable with Low ESR, Ceramic Output Capacitors  
(3.3µF Minimum)  
The LT3066 features an NMOS pull-down that discharges  
the output if SHDN or IN is driven low.  
n
Single Capacitor Soft-Starts Reference and Lowers  
Output Noise  
The LT3066 optimizes stability and transient response  
with low ESR ceramic capacitors, requiring a minimum of  
3.3µF.Internalprotectioncircuitryincludescurrentlimiting  
withfoldback,thermallimiting,reversebatteryprotection,  
reverse current protection and reverse output protection.  
n
n
n
n
Current Limit Foldback Protection  
Shutdown Current: <3µA  
Reverse Battery and Thermal Limit Protection  
12-Lead 4mm × 3mm DFN and 12-lead MSOP Packages  
The LT3066 is available in fixed output voltages of 3.3V  
and 5V, and as an adjustable device with an output volt-  
age range from 0.6V to 19V. The device is offered in the  
thermally-enhanced 12-lead 4mm × 3mm DFN and MSOP  
packages.  
applicaTions  
n
Battery-Powered Systems  
n
Automotive Power Supplies  
n
Industrial Power Supplies  
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. U.S. Patents, including 8159278.  
n
Avionic Power Supplies  
n
Portable Instruments  
Typical applicaTion  
Output Discharge vs VOUT  
CREF/BYP = 1nF  
3.3V Supply with 497mA Precision Current Limit  
IN  
OUT  
IN  
5V  
OUT  
5.0V  
3.3V  
3.3V  
10µF  
10µF  
SHDN  
INFILT  
SENSE  
500mA  
500k  
1V/DIV  
0.47µF  
22nF  
2.0V  
1.2V  
LT3066-3.3  
PWRGD  
SHDN: 0 TO 2V  
I
REF/BYP  
MAX  
GND  
3066 TA01b  
604Ω  
1ms/DIV  
1nF  
3066 TA01a  
V
C
= V  
OUT  
+1V  
OUT  
IN  
= 10µF  
I
= 10µA  
FB-DIVIDER  
3066fa  
1
For more information www.linear.com/LT3066  
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