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Linear Technology Electronic Components Datasheet

LTC3588IDD-1 Datasheet

Piezoelectric Energy Harvesting Power Supply

No Preview Available !

FEATURES
nn 950nA Input Quiescent Current (Output in
Regulation – No Load)
nn 450nA Input Quiescent Current in UVLO
nn 2.7V to 20V Input Operating Range
nn Integrated Low-Loss Full-Wave Bridge Rectifier
nn Up to 100mA of Output Current
nn Selectable Output Voltages of 1.8V, 2.5V, 3.3V, 3.6V
nn High Efficiency Integrated Hysteretic Buck DC/DC
nn Input Protective Shunt – Up to 25mA Pull-Down at
VIN ≥ 20V
nn Wide Input Undervoltage Lockout (UVLO) Range
nn Available in 10-Lead MSE and 3mm × 3mm DFN
Packages
APPLICATIONS
nn Piezoelectric Energy Harvesting
nn Electro-Mechanical Energy Harvesting
nn Wireless HVAC Sensors
nn Mobile Asset Tracking
nn Tire Pressure Sensors
nn Battery Replacement for Industrial Sensors
nn Remote Light Switches
nn Standalone Nanopower Buck Regulator
LTC3588-1
Nanopower Energy
Harvesting Power Supply
DESCRIPTION
The LTC®3588-1 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,
solar, or magnetic 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 efficiently 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.
TYPICAL APPLICATION
100mA Piezoelectric Energy Harvesting Power Supply
CSTORAGE
25V
1µF
6V
4.7µF
6V
MIDE V21BL
PZ1
PZ2
VIN LTC3588-1 SW
VOUT
CAP
PGOOD
VIN2
D0, D1
GND
35881 TA01
10µH
2 OUTPUT
VOLTAGE
SELECT
VOUT
47µF
6V
LTC3588-1 3.3V Regulator Start-Up Profile
22
20
CSTORAGE = 22µF, COUT = 47µF
NO LOAD, IVIN = 2µA
18
16
14
VIN
12
10
8
6
4
VOUT
2
PGOOD = LOGIC 1
0
0
200
400
600
TIME (s)
35881 TA01b
For more information www.linear.com/LTC3588-1
35881fc
1


Linear Technology Electronic Components Datasheet

LTC3588IDD-1 Datasheet

Piezoelectric Energy Harvesting Power Supply

No Preview Available !

LTC3588-1
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN
Low Impedance Source........................ –0.3V to 18V*
Current Fed, ISW = 0A....................................... 25mA
PZ1, PZ2............................................................0V to VIN
D0, D1...............–0.3V to [Lesser of (VIN2 + 0.3V) or 6V]
CAP....................... [Higher of –0.3V or (VIN – 6V)] to VIN
VIN2.................... –0.3V to [Lesser of (VIN + 0.3V) or 6V]
* VIN has an internal 20V clamp
For t < 1ms and Duty Cycle < 1%,
Absolute Maximum Continuous Current = 5mA
VOUT.....................–0.3V to Lesser of (VIN2 + 0.3V) or 6V
PGOOD............... –0.3V to Lesser of (VOUT + 0.3V) or 6V
IPZ1, IPZ2.............................................................. ±50mA
ISW....................................................................... 350mA
Operating Junction Temperature Range
(Notes 2, 3)................................................. –40 to 125°C
Storage Temperature Range.......................–65 to 150°C
Lead Temperature (Soldering, 10 sec)
MSE Only........................................................... 300°C
PIN CONFIGURATION
TOP VIEW
PZ1 1
PZ2 2
CAP 3
VIN 4
SW 5
10 PGOOD
9 D0
11
GND
8 D1
7 VIN2
6 VOUT
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 43°C/W, θJC = 7.5°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
PZ1 1
10 PGOOD
PZ2 2
CAP 3
VIN 4
11
GND
9 D0
8 D1
7 VIN2
SW 5
6 VOUT
MSE PACKAGE
10-LEAD PLASTIC eMSOP
TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3588EDD-1#PBF
LTC3588EDD-1#TRPBF LFKY
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3588IDD-1#PBF
LTC3588IDD-1#TRPBF LFKY
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3588EMSE-1#PBF LTC3588EMSE-1#TRPBF LTFKX
10-Lead Plastic eMSOP
–40°C to 125°C
LTC3588IMSE-1#PBF
LTC3588IMSE-1#TRPBF LTFKX
10-Lead Plastic eMSOP
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping
container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
This product is only offered in trays. For more information go to: http://www.linear.com/packaging/
35881fc
2
For more information www.linear.com/LTC3588-1


Part Number LTC3588IDD-1
Description Piezoelectric Energy Harvesting Power Supply
Maker Linear
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