LT3587
24
3587fc
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2008
LT 0109 REV C • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
LT1944 Dual Output, Boost/Inverter, 350mA I
SW
, High Effi ciency
Boost-Inverting DC/DC Converter
V
IN(MIN)
= 1.2V, V
IN(MAX)
= 15V, V
OUT(MAX)
= ±34V, I
Q
= 20, I
SD
< 1µA,
MSOP-10 Package
LT1945 Dual Output, Boost/Inverter, 350mA I
SW
, High Effi ciency
Boost-Inverting DC/DC Converter
V
IN(MIN)
= 1.2V, V
IN(MAX)
= 15V, V
OUT(MAX)
= ±34V, I
Q
= 20, I
SD
< 1µA,
MSOP-10 Package
LT3463/LT3463A Dual Output, Boost/Inverter, 250mA I
SW
, Constant Off-
Time, High Effi ciency Step-Up DC/DC Converter with
Integrated Schottkys
V
IN(MIN)
= 2.3V, V
IN(MAX)
= 15V, V
OUT(MAX)
= 40V, I
Q
= 40µA, I
SD
< 1µA,
3 × 3 DFN-10 Package
LT3466/LT3466-1 Dual Constant Current, 2MHz, High Effi ciency White LED
Boost Regulator with Integrated Schottky Diode
V
IN(MIN)
= 2.7V, V
IN(MAX)
= 24V, V
OUT(MAX)
= 40V, I
Q
= 5mA, I
SD
< 16µA,
3 × 3 DFN-10 Package
LT3471 Dual Output, Boost/Inverter, 1.3A I
SW
, 1.2MHz, High
Effi ciency Boost-Inverting DC/DC Converter
V
IN(MIN)
= 2.4V, V
IN(MAX)
= 16V, V
OUT(MAX)
= 40V, I
Q
= 2.5mA, I
SD
< 1µA,
3 × 3 DFN-10 Package
LT3472/LT3472A Dual Output, Boost/Inverter, 400mA I
SW
, 1.2MHz, High
Effi ciency Boost-Inverting DC/DC Converter
V
IN(MIN)
= 2.2V, V
IN(MAX)
= 16V, V
OUT(MAX)
= ±34V I
Q
= 2.8mA, I
SD
< 1µA,
3 × 3 DFN-10 Package
LT3473/LT3473A 40V, 1A, 1.2MHz Micropower Low Noise Boost Converter
with Output Disconnect
V
IN(MIN)
= 2.2V, V
IN(MAX)
= 16V, V
OUT(MAX)
= 36V, I
Q
= 150µA, I
SD
< 1µA,
3 × 3 DFN-12 Package
LT3494/LT3494A 40V, 180mA/350mA Micropower Low Noise Boost
Converter with Output Disconnect
V
IN(MIN)
= 2.3V, V
IN(MAX)
= 16V, V
OUT(MAX)
= 40V, I
Q
= 65µA, I
SD
< 1µA,
3 × 2 DFN-8 Package
LT3497 Dual 2.3MHz, Full Function LED Driver with Integrated
Schottkys and 250:1 True Color PWM Dimming
V
IN(MIN)
= 2.5V, V
IN(MAX)
= 10V, V
OUT(MAX)
= 32V, I
Q
= 6mA, I
SD
< 12µA,
2 × 3 DFN-10 Package
LT3580 40V, 2A, 2.5MHz Boost/Inverter DC/DC Converter V
IN
: 2.5V to 32V, V
OUT(MAX)
= 40V, I
Q
= 1mA, I
SD
< 1µA, MSOP-8E,
3mm × 3mm DFN-8 Packages
General Purpose High Voltage Supplies Generator
L1
15µH
L4
10µH
3587 TA05
V
OUT3
CAP3
V
FB3
I
FB3
SW2
GND
FB2
CAP1
FB1
V
OUT1
LT3587
FLT
EN/SS1
EN/SS3
SW3 SW1V
IN
C6
1µF
SUPPLY 1:
15V, 50mA
V
VIN
2.5V TO 6V
C2
2.2µF
R
FB2
2M
C
FB2
2.2pF
SUPPLY 2:
–16V, 50mA
R
IFB3
6.34k
C4
2.2µF
SUPPLY 3: 25V SUPPLY
WITH SAFETY
CURRENT LIMIT AT 25mA
V
VIN
2.5V TO 6V
C7
22µF
D
S1
C1
10µF
R
FB1
1M
D
S3
C5
100nF
C3
100nF
D
S2
D
S4
L2
22µH
L3
22µH
C1: MURATA GRM31CR71E106KA12L
C2: MURATA GRM21BR71E225KA73L
C3, C5: MURATA GRM033R60J104KE19D
C4: MURATA GRM21BR71E225KA73L
C6: MURATA GRM155R61A105KE15D
C7: MURATA GRM32ER61E226KE15L
C
FB1
: MURATA GRM1555C1H2R7BZ01D
C
FB2
: MURATA GRM1555C1H2R2BZ01D
L1: COILCRAFT LPS4018-153
L2, L3: COILCRAFT LPS4018-223
L4: TOKO 1071AS-100M
D
S1
, D
S2
, D
S3
, D
S4
: IR IR05H40CSPTR
R
VFB3
1.74M
C
FB1
2.7pF
