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参数资料
| 型号： | LTC3805IMSE-5#TRMPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | LEAD FREE, PLASTIC, MSOP-10 |
| 文件页数： | 13/20页 |
| 文件大小： | 203K |
| 代理商： | LTC3805IMSE-5#TRMPBF |
LTC3805-5
20
38055fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LINEAR TECHNOLOGY CORPORATION 2008
LT 0309 REV B PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER
DESCRIPTION
COMMENTS
LT1424-5
Isolated Flyback Switching Regulator
5V Output Voltage, No Optoisolator Required
LT1424-9
Isolated Flyback Switching Regulator
9V Output Voltage, Regulation Maintained Under Light Loads
LT1425
Isolated Flyback Switching Regulator
No Third Winding or Optoisolator Required
LT1725
General Purpose Isolated Flyback Controller
Suitable for Telecom 36V to 75V Inputs
LTC1871
Wide Input Range, No RSENSE Current Mode Boost,
Flyback and SEPIC Controller
Programmable Frequency from 50kHz to 1MHz in MSOP-10 Package.
LT1950
Single Switch PWM Controller with Auxiliary Boost
Converter
Wide Input Range Forward, Flyback, Boost or SEPIC Controller Suitable for
36V to 72V Inputs
LT1952/LT1952-1
Single Switch Synchronous Forward Controllers
Ideal for High Power 48V Input Applications
LTC3706/LTC3705
Isolated Synchronous Forward Converter Chip Set
with PolyPhase
Capability
Ideal for High Power 48V Input Applications
LTC3726/LTC3725
Isolated Synchronous Forward Converter Chip Set
Ideal for High Power 48V Input Applications
LTC3803
LTC3803-3
LTC3803-5
Constant-Frequency Current Mode Flyback DC/DC
Controllers in ThinSOT
Wide Input Range Flyback, Boost and SEPIC Controller. High Temperature
Grade Available
LTC3805
Adjustable Frequency Current Mode DC/DC Controller
Wide Input Range Flyback, Boost and SEPIC Controller with Programmable
Frequency, Run and Soft-Start
LTC3806
Synchronous Flyback DC/DC Controller
Current Mode Flyback Controller with Synchronous Gate Drive
LT3825
Isolated No-OPTO Synchronous Flyback Controller
with Wide Input Supply Range
Input Voltage Limited Only by External Components, Ideal for 48V Input
Applications
LT3837
Isolated No-OPTO Synchronous Flyback Controller
Suitable for Industrial 9V to 36V Inputs
LTC3873
LTC3873-5
No RSENSE Constant Frequency Current Mode Boost,
Flyback and SEPIC DC/DC Controllers
Programmable Soft-Start, Adjustable Current Limit, 2mm
× 3mm DFN or
8-Lead TSOT-23 Packages
PolyPhase is a registrated treademark of Linear Technology Corporation. No RSENSE is a Trademark of Linear Technology Corporation.
5V to 40V to 12V/1A Nonisolated Flyback Converter
LOAD CURRENT (A)
0.01
50
EFFICIENCY
(%)
POWER
LOSS
(W)
70
90
0.1
1
10
38055 TA02b
30
40
60
80
20
10
4
6
8
2
1
3
5
7
0
5.5V
10V
20V
30V
40V
Efciency and Power Loss
vs Load Current
75k
3.01k
4.7μF
100μF
16V
51.1k
47pF
CSS
0.1μF
D1
UPS840
FDC2512
VCC
11
5
4
3
2
1
6
7
8
1
4
10
8
7
9
10
220Ω
150pF
200V
38055 TA02
2.2μF
100V
VIN
5V TO 40V
VCC
U1
LTC3805-5
ITH
GND
SSFLT
RUN
GATE
OC
ISENSE
SYNC
FS
FB
VCC
100μF
16V
RSENSE
0.005Ω
VOUT
12V
1A
470pF
100pF
20k
3.65k
2.2μF
100V
10k
6.8V
PDZ6.8B
680Ω
D2
BAS516
T3772
MMBTA42
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3805MPMSE#PBF | 功能描述:IC REG CTRLR BST FLYBK CM 10MSOP 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 |
| LTC3805MPMSE#TRPBF | 功能描述:IC REG CTRLR BST FLYBK CM 10MSOP 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 |
| LTC3805MPMSE-5#PBF | 功能描述:IC REG CTRLR BST FLYBK CM 10MSOP 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 |
| LTC3805MPMSE-5#TRPBF | 功能描述:IC REG CTRLR BST FLYBK CM 10MSOP 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 |
| LTC3806EDE | 功能描述:IC REG CTRLR FLYBACK PWM 12-DFN RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 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:24-WQFN 裸露焊盘 包装:带卷 (TR) |
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