LT3782AIFE 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
27
VCC
26
NC
4
GND
25 1μF
NC
5 SYNC LT3782A
24
VEE1
6
DELAY
23
BGATE1
VINA
0V TO 28V*
2R2
BAS516
L1
10μH
Q1
PH4840S
D1
UPS840
CINA
22μF
CS1
0.004Ω
COUT2
330μF, 35V, ×2
7
DCL
22
GBIAS1
8 SENSE1+
9 SENSE1–
10
SLOPE
11
RSET
12 SENSE2–
21
GBIAS2
20
BGATE2
19
VEE2
18
NC
17
RUN
2.2μF
825k
274k
0.004Ω
COUT1
10μF, 50V, ×4
CINB CS2
22μF
Q2
PH4840S
OUTPUT
28V
4A (8A**)
13 SENSE2+
14
SS
16
FB
15
VC
24.9k
261k
RC1
15k
CC2
CC1
4.7nF
100pF
BAS516
L2
10μH
D2
UPS840
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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PolyPhase is a registered trademark of Linear Technology Corporation. ThinSOT and No RSENSE are trademarks of Linear Technology Corporation.
3782af
20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LT 1208 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2008
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