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| 型号： | LTC3588EDD-1#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, PDSO10 |
| 封装： | 3 X 3 MM, LEAD FREE, PLASTIC, MO-229WEED-2, DFN-10 |
| 文件页数： | 1/20页 |
| 文件大小： | 391K |
| 代理商： | LTC3588EDD-1#TRPBF |
LTC3588-1
1
35881fa
TYPICAL APPLICATION
DESCRIPTION
Piezoelectric Energy
Harvesting Power Supply
The LTC3588-1 integrates a low-loss full-wave bridge
rectier with a high efciency buck converter to form a
complete energy harvesting solution optimized for high
output impedance energy sources such as piezoelectric
transducers. An ultralow quiescent current undervoltage
lockout (UVLO) mode with a wide hysteresis window allows
charge to accumulate on an input capacitor until the buck
converter can efciently transfer a portion of the stored
charge to the output. In regulation, the LTC3588-1 enters
a sleep state in which both input and output quiescent
currents are minimal. The buck converter turns on and
off as needed to maintain regulation.
Four output voltages, 1.8V, 2.5V, 3.3V and 3.6V, are pin
selectable with up to 100mA of continuous output current;
however, the output capacitor may be sized to service a
higher output current burst. An input protective shunt set
at 20V enables greater energy storage for a given amount
of input capacitance.
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.
100mA Piezoelectric Energy Harvesting Power Supply
FEATURES
APPLICATIONS
n 950nA Input Quiescent Current (Output in
Regulation – No Load)
n 450nA Input Quiescent Current in UVLO
n 2.7V to 20V Input Operating Range
n Integrated Low-Loss Full-Wave Bridge Rectier
n Up to 100mA of Output Current
n Selectable Output Voltages of 1.8V, 2.5V, 3.3V, 3.6V
n High Efciency Integrated Hysteretic Buck DC/DC
n Input Protective Shunt – Up to 25mA Pull-Down at
VIN ≥ 20V
n Wide Input Undervoltage Lockout (UVLO) Range
n Available in 10-Lead MSE and 3mm
× 3mm DFN
Packages
n Piezoelectric Energy Harvesting
n Electro-Mechanical Energy Harvesting
n Wireless HVAC Sensors
n Mobile Asset Tracking
n Tire Pressure Sensors
n Battery Replacement for Industrial Sensors
n Remote Light Switches
n Standalone Nanopower Buck Regulator
35881 TA01
PZ1
VIN
CAP
VIN2
PZ2
SW
VOUT
PGOOD
D0, D1
LTC3588-1
MIDE V21BL
GND
1μF
6V
4.7μF
6V
CSTORAGE
25V
47μF
6V
OUTPUT
VOLTAGE
SELECT
VOUT
10μH
2
LTC3588-1 3.3V Regulator Start-Up Prole
TIME (s)
0
VOL
TAGE
(V)
22
20
18
8
4
10
12
14
16
6
2
0
200
35881 TA01b
600
400
VIN
VOUT
PGOOD = LOGIC 1
CSTORAGE = 22μF, COUT = 47μF
NO LOAD, IVIN = 2μA
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| LTC3588EMSE-1#PBF | 制造商:Linear Technology 功能描述:PIEZOELECTRIC ENERGY HARVESTING POWER SU 制造商:Linear Technology 功能描述:IC ENERGY HARVESTING POWER SUPPLY MSOP10 |
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