LTC3129 datasheet(26/30 Pages) LINER

26 / 30 page

LTC3129

3129fc

For more information www.linear.com/LTC3129

Typical applicaTions

Energy Harvesting Converter Operates from a Variety of Weak Sources

Solar Powered Converter Extends Battery Life in Low Power 3V Primary Battery Applications

Percentage of Added Battery Life vs Light Level and Load

(PowerFilm SP4.2-37, 30sq cm Panel)

LIGHT LEVEL (Lx)

100

1000

100

3129 TA09b

10,000

1,000

AVERAGE LOAD = 165µW

AVERAGE LOAD = 330µW

AVERAGE LOAD = 660µW

AVERAGE LOAD = 1650µW

AVERAGE LOAD = 3300µW

VCC

BST1

VOUT

SW1

SW2

LTC3129

22nF

BST2

PGOOD

GND

VCC

VIN

BAS 70-05

UVLO = 3.3V

RUN

22nF

4.7µH

10µF

3.32M

2.2µF

3129 TA07

PGND

MPPC

PWM

100µF

CERAMIC

1.02M

4.99M

3.01M

BAS 70-06

INPUT SOURCES:

• RF

• AC

• PIEZO

• COIL-MAGNET

10pF

22pF

BST1

VOUT

SW1

SW2

LTC3129

22nF

3.20V

BST2

PGOOD

GND

VCC

VIN

RUN

MPPC

PWM

22nF

3.3µH

TOKO DEM2812C

10pF

2.2µF

VOUT

BAT54

470µF

6.3V

74LVC2G04

3129 TA09

PGND

FDC6312P

DUAL PMOS

PV PANEL

SANYO AM-1815

PowerFilm SP4.2-37

4.7µF

VIN

UVLO = 3.7V

4.99M

4.22M

2.43M

CR2032

3V COIN CELL

VOUT

3V TO 3.2V

2.43M

22µF

2.43M

15pF

2.2µF

LTC3129 Datasheet(PDF) 26 Page - Linear Technology

LTC3129 Datasheet(HTML) 26 Page - Linear Technology

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