Datasheet

LTC3588-1
20
35881fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
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FAX: [phone]
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www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2010
LT 0910 REV A • PRINTED IN USA
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TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
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Q
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Q
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Q
in Sleep, 2.7V to 20V Input, V
OUT
: 1.2V to 5.0V, Enable and
Standby Pins
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Q
in Regulation, UVLO Rising = 16V, UVLO Falling = 14V,
V
OUT
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®
Operation
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Q
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Piezoelectric 3.3V Power Supply with LDO
Post Regulator for Reduced Output Ripple
35881 TA02a
PZ1
V
IN
CAP
V
IN2
D1
D0
PZ2
PGOOD
SW
V
OUT
LTC3588-1
LT3009-3.3
GND
1µF
6V
4.7µF
6V
47µF
25V
C
OUT1
10µF
6V
C
OUT2
1µF
6V
10µH
V
OUT1
3.6V
SHDN
IN OUT
GND
V
OUT2
3.3V
20mA
ADVANCED CERAMETRICS PFCB-W14
Peak-to-Peak Output Ripple vs C
OUT1
C
OUT1
(µF)
C
OUT2
= 1µF
V
OUT
RIPPLE PEAK-TO-PEAK (mV)
35881 TA02b
120
60
0
40
20
80
100
10 100
V
OUT1
(LTC3588-1)
V
OUT2
(LT3009-3.3)