LT3587 Просмотр технического описания (PDF) - Linear Technology
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LT3587 Datasheet PDF : 24 Pages
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LT3587
TYPICAL APPLICATION
C3
100nF
General Purpose High Voltage Supplies Generator
SUPPLY 3: 25V SUPPLY
WITH SAFETY
CURRENT LIMIT AT 25mA
RVFB3
1.74M
C4
2.2μF
L4
DS3 10μH
L1
15μH
VVIN
2.5V TO 6V
C6
1μF
RIFB3 VFB3 VOUT3 CAP3 SW3
VIN
SW1
6.34k
DS1
C1
10μF
IFB3
CAP1
CFB1
2.7pF
LT3587
FLT
EN/SS1
EN/SS3
SW2
GND
C5
100nF
VVIN
2.5V TO 6V
L2
22μH
C2
2.2μF
DS4
L3
22μH
DS2
RFB1
1M
FB1
FB2
VOUT1
RFB2
2M
CFB2
2.2pF
SUPPLY 1:
15V, 50mA
SUPPLY 2:
–16V, 50mA
C7
22μF
3587 TA05
C1: MURATA GRM31CR71E106KA12L
C2: MURATA GRM21BR71E225KA73L
C3, C5: MURATA GRM033R60J104KE19D
C4: MURATA GRM21BR71E225KA73L
C6: MURATA GRM155R61A105KE15D
C7: MURATA GRM32ER61E226KE15L
CFB1: MURATA GRM1555C1H2R7BZ01D
CFB2: MURATA GRM1555C1H2R2BZ01D
L1: COILCRAFT LPS4018-153
L2, L3: COILCRAFT LPS4018-223
L4: TOKO 1071AS-100M
DS1, DS2, DS3, DS4: IR IR05H40CSPTR
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PART NUMBER
LT1944
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LT3463/LT3463A
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LT3472/LT3472A
LT3473/LT3473A
LT3494/LT3494A
LT3497
LT3580
DESCRIPTION
COMMENTS
Dual Output, Boost/Inverter, 350mA ISW, High Efficiency VIN(MIN) = 1.2V, VIN(MAX) = 15V, VOUT(MAX) = ±34V, IQ = 20, ISD < 1μA,
Boost-Inverting DC/DC Converter
MSOP-10 Package
Dual Output, Boost/Inverter, 350mA ISW, High Efficiency VIN(MIN) = 1.2V, VIN(MAX) = 15V, VOUT(MAX) = ±34V, IQ = 20, ISD < 1μA,
Boost-Inverting DC/DC Converter
MSOP-10 Package
Dual Output, Boost/Inverter, 250mA ISW, Constant Off-
Time, High Efficiency Step-Up DC/DC Converter with
Integrated Schottkys
VIN(MIN) = 2.3V, VIN(MAX) = 15V, VOUT(MAX) = 40V, IQ = 40μA, ISD < 1μA,
3 × 3 DFN-10 Package
Dual Constant Current, 2MHz, High Efficiency White LED VIN(MIN) = 2.7V, VIN(MAX) = 24V, VOUT(MAX) = 40V, IQ = 5mA, ISD < 16μA,
Boost Regulator with Integrated Schottky Diode
3 × 3 DFN-10 Package
Dual Output, Boost/Inverter, 1.3A ISW, 1.2MHz, High
Efficiency Boost-Inverting DC/DC Converter
VIN(MIN) = 2.4V, VIN(MAX) = 16V, VOUT(MAX) = 40V, IQ = 2.5mA, ISD < 1μA,
3 × 3 DFN-10 Package
Dual Output, Boost/Inverter, 400mA ISW, 1.2MHz, High VIN(MIN) = 2.2V, VIN(MAX) = 16V, VOUT(MAX) = ±34V IQ = 2.8mA, ISD < 1μA,
Efficiency Boost-Inverting DC/DC Converter
3 × 3 DFN-10 Package
40V, 1A, 1.2MHz Micropower Low Noise Boost Converter VIN(MIN) = 2.2V, VIN(MAX) = 16V, VOUT(MAX) = 36V, IQ = 150μA, ISD < 1μA,
with Output Disconnect
3 × 3 DFN-12 Package
40V, 180mA/350mA Micropower Low Noise Boost
Converter with Output Disconnect
VIN(MIN) = 2.3V, VIN(MAX) = 16V, VOUT(MAX) = 40V, IQ = 65μA, ISD < 1μA,
3 × 2 DFN-8 Package
Dual 2.3MHz, Full Function LED Driver with Integrated
Schottkys and 250:1 True Color PWM Dimming
VIN(MIN) = 2.5V, VIN(MAX) = 10V, VOUT(MAX) = 32V, IQ = 6mA, ISD < 12μA,
2 × 3 DFN-10 Package
40V, 2A, 2.5MHz Boost/Inverter DC/DC Converter
VIN: 2.5V to 32V, VOUT(MAX) = 40V, IQ = 1mA, ISD < 1μA, MSOP-8E,
3mm × 3mm DFN-8 Packages
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
3587fc
LT 0109 REV C • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2008
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