LT3782AIFE(RevC) Просмотр технического описания (PDF) - Linear Technology
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LT3782AIFE Datasheet PDF : 20 Pages
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LT3782A
Typical Application
10Ω
CS1
10nF
59k
82k
10Ω 10nF
CS2
4.7nF
28V Output Base Station Power Converter with Redundant Input
1
SGATE2
28
GBIAS
2 SGATE1
3 NC
VCC 27
NC 26
4 GND
5 SYNC
6
DELAY
LT3782A
NC 25
VEE1 24
23
BGATE1
7
DCL
22
GBIAS1
8 SENSE1+
GBIAS2 21
9 SENSE1–
10 SLOPE
11 RSET
12 SENSE2–
13 SENSE2+
14 SS
BGATE2 20
VEE2 19
NC 18
RUN 17
FB 16
VC 15
2R2
1µF
2.2µF
825k
274k
24.9k
261k
RC1
15k
CC2
CC1
4.7nF
100pF
VINA
0V TO 28V*
BAS516
L1
10µH
CINA
22µF
CS1
0.004Ω
Q1
PH4840S
D1
PDS1040
COUT2
330µF, 35V, ×2
CINB
22µF
0.004Ω
CS2
COUT1
10µF, 50V, ×4
Q2
PH4840S
OUTPUT
28V
4A (8A**)
BAS516
L2
10µH
D2
PDS1040
VINB
0V TO 28V*
3782A TA03
NOTE:
*INPUT VOLTAGE RANGE FOR VINA AND VINB IS 0V TO 28V.
AT LEAST ONE OF THE INPUTS MUST BE 12V OR HIGHER.
L1, L2: PULSE PB2020-103
ALL CERAMIC CAPACITORS ARE X7R, TDK
**OUTPUT CURRENT WITH BOTH INPUTS 12V OR HIGHER
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20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950Fo3r5m-7o4re1i7nformation www.linear.com/LT3782A
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LT3782A
3782afc
LT 0414 REV C • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2008
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