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LTC3652

更新时间： 2024-02-17 00:30:38
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
18页 400K
描述
Piezoelectric Energy Harvesting Power Supply with 14V Minimum VIN

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中文翻译

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LTC3652 数据手册

 浏览型号LTC3652的Datasheet PDF文件第2页浏览型号LTC3652的Datasheet PDF文件第3页浏览型号LTC3652的Datasheet PDF文件第4页浏览型号LTC3652的Datasheet PDF文件第5页浏览型号LTC3652的Datasheet PDF文件第6页浏览型号LTC3652的Datasheet PDF文件第7页 
LTC3588-2  
Piezoelectric Energy  
Harvesting Power Supply  
with 14V Minimum V  
IN  
FeaTures  
DescripTion  
n
1500nA Input Quiescent Current (Output in  
The LTC®3588-2 integrates a low-loss full-wave bridge  
rectifier with a high efficiency buck converter to form a  
complete energy harvesting solution optimized for high  
output impedance energy sources such as piezoelectric  
transducers.  
Regulation – No Load, V = 18V)  
IN  
n
n
n
n
830nA Input Quiescent Current in UVLO, V = 12V  
IN  
14V to 20V Input Operating Range  
Integrated Low-Loss Full-Wave Bridge Rectifier  
16V UVLO Improves Power Utilization from High  
Voltage Current Limited Inputs  
Anultralowquiescentcurrentundervoltagelockout(UVLO)  
mode with a 16V rising threshold enables efficient energy  
extraction from piezoelectric transducers with high open  
circuit voltages. This energy is transferred from the input  
capacitor to the output via a high efficiency synchronous  
buck regulator. The 16V UVLO threshold also allows for  
input to output current multiplication through the buck  
regulator. The buck features a sleep state that minimizes  
bothinputandoutputquiescentcurrentswhileinregulation.  
n
n
n
n
Up to 100mA of Output Current  
High Efficiency Integrated Hysteretic Buck DC/DC  
Selectable Output Voltages: 3.45V, 4.1V, 4.5V, 5.0V  
Input Protective Shunt – Up to 25mA Pull-Down at  
V ≥ 20V  
IN  
n
Available in 10-Lead MSE and 3mm × 3mm DFN  
Packages  
Four output voltages of 3.45V, 4.1V, 4.5V and 5.0V are  
pin selectable with up to 100mA of continuous output  
applicaTions  
n
Piezoelectric Energy Harvesting  
current, and suit Li-Ion and LiFePO batteries as well as  
4
n
Electro-Mechanical Energy Harvesting  
supercapacitors. An input protective shunt set at 20V  
provides overvoltage protection.  
L, LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks  
of Linear Technology Corporation. All other trademarks are the property of their respective  
owners.  
n
Low Power Battery Charging  
n
Wireless HVAC Sensors  
n
Mobile Asset Tracking  
n
Tire Pressure Sensors  
n
Battery Replacement for Industrial Sensors  
Typical applicaTion  
High Voltage Piezoelectric Energy Harvesting Power Supply  
LTC3588-2 5.0V Regulator Start-Up Profile  
20  
C
= 10µF, C  
= 47µF  
STORAGE  
IN  
V
IN  
18 NO LOAD, I = 2µA  
VIN  
16  
14  
12  
10  
8
MIDE V25W  
PZ1  
PZ2  
SW  
22µH  
V
V
IN  
OUT  
LTC3588-2  
1µF  
6V  
C
STORAGE  
V
OUT  
6V  
CAP  
PGOOD  
D0, D1  
10µF  
25V  
2
OUTPUT  
VOLTAGE  
SELECT  
V
OUT  
V
6
IN2  
GND  
4.7µF  
6V  
4
35882 TA01  
2
PGOOD = LOGIC 1  
400 600  
0
0
200  
TIME (sec)  
35882 TA01b  
35882fa  
1
1234567...18

中文翻译

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