LT3508IFE-TRPBF Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT3508IFE-TRPBF Datasheet PDF : 24 Pages
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LT3508
TYPICAL APPLICATION
5V, 1.8V Output from PCI Express
VIN
12V
R9
40.2k
R10
14.7k
OUT1
5V
0.9A
D1
L1 6.8μH
R1
52.3k
C1
4.7μF
C3
0.1μF
D3
VIN1
VIN2
SHDN
BOOST1 BOOST2
SW1
SW2
LT3508
FB1
FB2
D2
C4
0.1μF
D4
R3
R5
VC1
VC2
R6
10k
43k
TRACK/SS1 PG1
47k
C8
TRACK/SS2 PG2
C6
C9
0.047μF
10μF
100pF
GND RT/SYNC
C10
0.047μF
R8
C7
33.2k 330pF
C1 TO C6: X5R OR X7R
D1, D2: MMSD4148
D3: DIODES INC. B140
D4: DIODES INC. B120
fSW = 1MHz
VIN2
C2
3.3V
4.7μF
L2
3.3μH
R2
18.7k
OUT2
1.8V
1.4A
R4
C5
15.0k
47μF
R7
100k
POWER
3508 TA05 GOOD
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COMMENTS
VIN: 3V to 25V, VOUT(MIN) = 1.2V, IQ = 1mA, S8, TSSOP16E Packages
VIN: 5.5V to 60V, VOUT(MIN) = 1.2V, IQ = 2.5mA, TSSOP16/TSSOP16E
Packages
VIN: 3V to 25V, VOUT(MIN) = 1.2V, IQ = 1mA, MS8, MS8E Packages
VIN: 3.6V to 25V, VOUT(MIN) = 1.25V, IQ = 3.8mA, TSSOP16E Packages
VIN: 2.5V to 5.5V, VOUT(MIN) = 0.6V, IQ = 40μA, MSE Package
VIN: 3.6V to 36V, VOUT(MIN) = 0.78V, IQ = 1.9mA, 2mm × 3mm DFN Package
VIN: 3.6V to 25V, VOUT(MIN) = 0.8V, IQ = 3.7mA, ISD < 10μA,
TSSOP20E Package
VIN: 3.6V to 25V, VOUT(MIN) = 0.8V, IQ = 3.8mA, 16-Lead DFN and 16-Lead
TSSOPE Packages
VIN: 2.5V to 10V, VOUT(MIN) = 0.8V, IQ = 460μA, SSOP-16 Package
VIN: 2.75V to 9.8V, VOUT(MIN) = 0.6V, IQ = 300μA, 4mm × 4mm QFN or
SSOP-24 Packages
VIN: 2.75V to 9.8V, VOUT(MIN) = 0.6V, IQ = 220μA, 4mm × 4mm QFN or
SSOP-24 Packages
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
3508fb
LT 0208 REV B • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2007
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