LTC3588-1 Datasheet, PDF (20/20 Pages) Linear Technology – Piezoelectric Energy Harvesting Power Supply

LTC3588-1
TYPICAL APPLICATION
Piezoelectric 3.3V Power Supply with LDO
Post Regulator for Reduced Output Ripple
1μF
6V
47μF
25V
4.7μF
6V
PZ1
PZ2
V_IN
PGOOD
CAP ^LTC3588-1 SW
V_IN2
V_OUT
D1
D0
GND
10μH
V_OUT1
3.6V
SHDN
LT3009-3.3
IN
OUT
GND
C_OUT1
10μF
6V
V_OUT2
3.3V
20mA
C_OUT2
1μF
6V
35881 TA02a
Peak-to-Peak Output Ripple vs C_OUT1
120
C_OUT2 = 1μF
100
80
V_OUT1 (LTC3588-1)
60
40
20
V_OUT2 (LT3009-3.3)
0
10
100
C_OUT1 (μF)
35881 TA02b
RELATED PARTS
PART NUMBER
LT1389
LTC1540
LT3009
LT3652
LT3970
LT3971
LT3991
LTC3631
LTC3642
DESCRIPTION
Nanopower Precision Shunt Voltage Reference
Nanopower Comparator with Reference
3μA I_Q, 20mA Low Dropout Linear Regulator
Power Tracking 2A Battery Charger for Solar Power
40V, 350mA Step-Down Regulator with 2.5μA I_Q
38V, 1.2A, 2MHz Step-Down Regulator with 2.8μA I_Q
55V, 1.2A 2MHz Step-Down Regulator with 2.8μA I_Q
45V, 100mA, Synchronous Step-Down Regulator with 12μA I_Q
45V, 50mA, Synchronous Step-Down Regulator with 12μA I_Q
COMMENTS
800nA Operating Current, 1.25V/2.5V/4.096V
0.3μA I_Q, Drives 0.01μF, Adjustable Hysteresis, 2V to 11V Input Range
Low 3μA I_Q, 1.6V to 20V Range, 20mA Output Current
MPPT for Solar, 4.95V to 32V, Up to 2A Charge Current
Integrated Boost and Catch Diodes, 4.2V to 40V Operating Range
4.3V to 38V Operating Range, Low Ripple Burst Mode^® Operation
4.3V to 55V Operating Range, Low Ripple Burst Mode Operation
4.5V to 45V Operating Range, Overvoltage Lockout Up to 60V
4.5V to 45V Operating Range, Overvoltage Lockout Up to 60V
20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
35881f
LT 0110 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2010