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参数资料
| 型号： | LT3587EUD#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PQCC20 |
| 封装： | 3 X 3 MM, LEAD FREE, PLASTIC, QFN-20 |
| 文件页数： | 17/24页 |
| 文件大小： | 395K |
| 代理商： | LT3587EUD#TRPBF |
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 ISW, High Efciency
Boost-Inverting DC/DC Converter
VIN(MIN) = 1.2V, VIN(MAX) = 15V, VOUT(MAX) = ±34V, IQ = 20, ISD < 1μA,
MSOP-10 Package
LT1945
Dual Output, Boost/Inverter, 350mA ISW, High Efciency
Boost-Inverting DC/DC Converter
VIN(MIN) = 1.2V, VIN(MAX) = 15V, VOUT(MAX) = ±34V, IQ = 20, ISD < 1μA,
MSOP-10 Package
LT3463/LT3463A
Dual Output, Boost/Inverter, 250mA ISW, Constant Off-
Time, High Efciency 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
LT3466/LT3466-1
Dual Constant Current, 2MHz, High Efciency White LED
Boost Regulator with Integrated Schottky Diode
VIN(MIN) = 2.7V, VIN(MAX) = 24V, VOUT(MAX) = 40V, IQ = 5mA, ISD < 16μA,
3
× 3 DFN-10 Package
LT3471
Dual Output, Boost/Inverter, 1.3A ISW, 1.2MHz, High
Efciency 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
LT3472/LT3472A
Dual Output, Boost/Inverter, 400mA ISW, 1.2MHz, High
Efciency Boost-Inverting DC/DC Converter
VIN(MIN) = 2.2V, VIN(MAX) = 16V, VOUT(MAX) = ±34V IQ = 2.8mA, ISD < 1μA,
3
× 3 DFN-10 Package
LT3473/LT3473A
40V, 1A, 1.2MHz Micropower Low Noise Boost Converter
with Output Disconnect
VIN(MIN) = 2.2V, VIN(MAX) = 16V, VOUT(MAX) = 36V, IQ = 150μA, ISD < 1μA,
3
× 3 DFN-12 Package
LT3494/LT3494A
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
LT3497
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
LT3580
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
General Purpose High Voltage Supplies Generator
L1
15μH
L4
10μH
3587 TA05
VOUT3
CAP3
VFB3
IFB3
SW2
GND
FB2
CAP1
FB1
VOUT1
LT3587
FLT
EN/SS1
EN/SS3
SW3
SW1
VIN
C6
1μF
SUPPLY 1:
15V, 50mA
VVIN
2.5V TO 6V
C2
2.2μF
RFB2
2M
CFB2
2.2pF SUPPLY 2:
–16V, 50mA
RIFB3
6.34k
C4
2.2μF
SUPPLY 3: 25V SUPPLY
WITH SAFETY
CURRENT LIMIT AT 25mA
VVIN
2.5V TO 6V
C7
22μF
DS1
C1
10μF
RFB1
1M
DS3
C5
100nF
C3
100nF
DS2
DS4
L2
22μH
L3
22μH
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
RVFB3
1.74M
CFB1
2.7pF
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