LT3782(RevF) 查看數據表（PDF） - Linear Technology
零件编号
产品描述 (功能)
比赛名单
LT3782 Datasheet PDF : 20 Pages
| |||
LT3782
TYPICAL APPLICATIONS
10Ω
CS1
10nF
59k
82k
10Ω 10nF
CS2
4.7nF
28V Output Base Station Power Converter with Redundant Input
1
SGATE2
2
SGATE1
3
NC
4
GND
5
SYNC
6 DELAY
28
GBIAS
27
VCC
26
NC
25
NC
24
VEE1
BGATE1 23
7
DCL
22
GBIAS1
8 SENSE1+ LT3782
21
GBIAS2
9 SENSE1–
10
SLOPE
11
RSET
12 SENSE2–
20
BGATE2
19
VEE2
18
NC
17
RUN
13 SENSE2+
14
SS
16
FB
15
VC
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
UPS840
COUT2
330μF, 35V, 2x
CINB
22μF
0.004Ω
CS2
COUT1
10μF, 50V, 4x
Q2
PH4840S
OUTPUT
28V
4A (8A**)
BAS516
L2
10μH
D2
UPS840
VINB
0V TO 28V*
3782 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
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LT®1619
Current Mode PWM Controller
300kHz Fixed Frequency, Boost, SEPIC, Flyback Topology
LTC1624
LTC1696
LTC1700
LTC1871/LTC1871-7
LT1930
LT1952
Current Mode DC/DC Controller
Overvoltage Protection Controller
No RSENSE™ Synchronous Step-Up Controller
Wide Input Range Controller
1.2MHz, SOT-23 Boost Converter
Single Switch Synchronous Forward Controller
SO-8; 300kHz Operating Frequency; Buck, Boost, SEPIC Design; VIN Up to 36V
0.8V ≤ VIN ≤ 24V, ±2% Overvoltage Threshold Accuracy, ThinSOT™ Package
Up to 95% Efficiency, Operation as Low as 0.9V Input
No RSENSE, 7V Gate Drive, Current Mode Control
Up to 34V Output, 2.6V ≤ VIN ≤ 16V, Miniature Design
High Efficiency, 25W to 500W, Wide Input Range, Adaptive Duty Cycle Clamp
LTC3425
5A, 8MHz 4-Phase Monolithic Step-Up DC/DC 0.5V ≤ VIN ≤ 4.5V, 2.4V ≤ VOUT ≤ 5.25V, Very Low Output Ripple
Converter
LTC3703/LTC3703-5 100V and 60V, Step-Down and Step-Up DC/DC High Efficiency Synchronous Operation, High Voltage Operation,
Synchronous Controller
No Transformer Required
LTC3728
Dual, 550kHz, 2-Phase Synchronous
Step-Down Controller
Dual 180° Phased Controllers, VIN: 3.5V to 35V, 99% Duty Cycle,
5mm × 5mm QFN, SSOP-28 Packages
LTC3729
LTC3731
20A to 200A, 550kHz PolyPhase™ Synchronous
Controller
3- to 12-Phase Step-Down Synchronous
Controller
Expandable from 2-Phase to 12-Phase, Uses All Surface Mount Components,
VIN Up to 36V
60A to 240A Output Current, 0.6V ≤ VOUT ≤ 6V, 4.5V ≤ VIN ≤ 32V
LTC3803
SOT-23 Flyback Controller
Adjustable Slope Compensation, Internal Soft-Start, Current Mode 200kHz
Operation
LTC3806
Synchronous Flyback Controller
High Efficiency, Improves Cross Regulation in Multiple Output
Designs, Current Mode, 3mm × 4mm 12-Pin DFN Package
PolyPhase is a registered trademark of Linear Technology Corporation. ThinSOT and No RSENSE are trademarks of Linear Technology Corporation.
3782ff
20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LT 1008 REV F • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2007
Share Link: 