参数资料
| 型号： | LT3782EUFD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 20/20页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST PWM CM 28-QFN |
| 标准包装： | 73 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 533kHz |
| 占空比： | 94% |
| 电源电压： | 6 V ~ 40 V |
| 降压： | 无 |
| 升压： | 是 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 包装： | 管件 |
| 产品目录页面： | 1332 (CN2011-ZH PDF) |
LT3782
TYPICAL APPLICATIONS
28V Output Base Station Power Converter with Redundant Input
V INA
1
SGATE2
GBIAS
28
0V TO 28V*
2
3
SGATE1
NC
V CC
NC
27
26
2R2
BAS516
L1
10μH
Q1
D1
UPS840
4
5
GND
SYNC
NC
V EE1
25
24
1μF
C INA
22μF
CS1
PH4840S
C OUT2
330μF, 35V, 2x
6
DELAY
BGATE1
23
0.004Ω
CS1
CS2
10Ω
10Ω
10nF
59k
82k
10nF
7
8
9
10
11
12
13
14
DCL
SENSE1 + LT3782
SENSE1 –
SLOPE
R SET
SENSE2 –
SENSE2 +
SS
GBIAS1
GBIAS2
BGATE2
V EE2
NC
RUN
FB
V C
22
21
20
19
18
17
16
15
2.2μF
825k
274k
24.9k
261k
BAS516
C INB
22μF
0.004Ω
CS2
L2
10μH
Q2
PH4840S
C OUT1
10μF, 50V, 4x
D2
UPS840
3782 TA03
OUTPUT
28V
4A (8A**)
C C2
V INB
4.7nF
R C1
15k 100pF
C C1
4.7nF
NOTE:
0V TO 28V* *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
LT 1619
PART NUMBER
?
LTC1624
LTC1696
LTC1700
LTC1871/LTC1871-7
LT1930
LT1952
LTC3425
LTC3703/LTC3703-5
LTC3728
DESCRIPTION
Current Mode PWM Controller
Current Mode DC/DC Controller
Overvoltage Protection Controller
No R SENSE ? Synchronous Step-Up Controller
Wide Input Range Controller
1.2MHz, SOT-23 Boost Converter
Single Switch Synchronous Forward Controller
5A, 8MHz 4-Phase Monolithic Step-Up DC/DC
Converter
100V and 60V, Step-Down and Step-Up DC/DC
Synchronous Controller
Dual, 550kHz, 2-Phase Synchronous
Step-Down Controller
COMMENTS
300kHz Fixed Frequency, Boost, SEPIC, Flyback Topology
SO-8; 300kHz Operating Frequency; Buck, Boost, SEPIC Design; V IN Up to 36V
0.8V ≤ V IN ≤ 24V, ±2% Overvoltage Threshold Accuracy, ThinSOT ? Package
Up to 95% Ef?ciency, Operation as Low as 0.9V Input
No R SENSE , 7V Gate Drive, Current Mode Control
Up to 34V Output, 2.6V ≤ V IN ≤ 16V, Miniature Design
High Ef?ciency, 25W to 500W, Wide Input Range, Adaptive Duty Cycle Clamp
0.5V ≤ V IN ≤ 4.5V, 2.4V ≤ V OUT ≤ 5.25V, Very Low Output Ripple
High Ef?ciency Synchronous Operation, High Voltage Operation,
No Transformer Required
Dual 180° Phased Controllers, V IN : 3.5V to 35V, 99% Duty Cycle,
5mm × 5mm QFN, SSOP-28 Packages
LTC3729
20A to 200A, 550kHz PolyPhase? Synchronous Expandable from 2-Phase to 12-Phase, Uses All Surface Mount Components,
Controller
V IN Up to 36V
LTC3731
LTC3803
LTC3806
3- to 12-Phase Step-Down Synchronous
Controller
SOT-23 Flyback Controller
Synchronous Flyback Controller
60A to 240A Output Current, 0.6V ≤ V OUT ≤ 6V, 4.5V ≤ V IN ≤ 32V
Adjustable Slope Compensation, Internal Soft-Start, Current Mode 200kHz
Operation
High Ef?ciency, 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 R SENSE are trademarks of Linear Technology Corporation.
3782fg
20 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
LT 0109 REV G ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2007
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3782EUFD-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:2-Phase Step-UP DC/DC Controller |
| LT3782EUFD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:2-Phase Step-UP DC/DC Controller |
| LT3782IFE | 制造商:LINER 制造商全称:Linear Technology 功能描述:2-Phase Step-UP DC/DC Controller |
| LT3782IFE#PBF | 功能描述:IC REG CTRLR BST PWM CM 28-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX |
| LT3782IFE#TRPBF | 功能描述:IC REG CTRLR BST PWM CM 28-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX |
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