参数资料
型号: LTC3855IFE#PBF
厂商: Linear Technology
文件页数: 44/44页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 38-SSOP
标准包装: 50
系列: PolyPhase®
PWM 型: 电流模式
输出数: 2
频率 - 最大: 850kHz
占空比: 95%
电源电压: 4.5 V ~ 38 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 38-TFSOP (0.173",4.40mm 宽)裸露焊盘
包装: 管件
LTC3855
RELATED PARTS
PART NUMBER DESCRIPTION
COMMENTS
LTC3853
LTC3731
Triple Output, Multiphase Synchronous Step-Down DC/DC
Controller, R SENSE or DCR Current Sensing and Tracking
3-Phase Synchronous Controller, Expandable to 12 phases
Differential Amp, High Output Current 60A to 240A
Phase-Lockable Fixed 250kHz to 750kHz Frequency, 4V ≤ V IN ≤ 24V,
V OUT3 Up to 13.5V
Phase-Lockable Fixed 250kHz to 600kHz Frequency, 0.6V ≤ V OUT ≤ 5.25V,
4.5V ≤ V IN ≤ 32V,
LTC3850/
LTC3850-1/
LTC3850-2
Dual 2-Phase, High Efficiency Synchronous Step-Down DC/ Phase-Lockable Fixed 250kHz to 780kHz Frequency, 4V ≤ V IN ≤ 30V,
DC Controller, R SENSE or DCR Current Sensing and Tracking 0.8V ≤ V OUT ≤ 5.25V
LTC3854
Small Footprint Wide V IN Range Synchronous Step-Down
DC/DC Controller, R SENSE or DCR Current Sensing
Fixed 400kHz Operating Frequency 4.5V ≤ V IN ≤ 38V, 0.8V ≤ V OUT ≤ 5.25V,
2mm × 3mm QFN-12
LTC3851A/
LTC3851A-1
No R SENSE ? Wide V IN Range Synchronous Step-Down DC/ Phase-Lockable Fixed 250kHz to 750kHz Frequency, 4V ≤ V IN ≤ 38V,
DC Controller, R SENSE or DCR Current Sensing and Tracking 0.8V ≤ V OUT ≤ 5.25V, MSOP-16E, 3mm × 3mm QFN-16, SSOP-16
LTC3878
LTC3879
LTM4600HV
LTM4601AHV
LTC3610
LTC3611
LTC3857/
LTC3857-1
LTC3868/
LTC3868-1
LT3845
No R SENSE Constant On-Time Synchronous Step-Down
DC/DC Controller, No R SENSE Required
No R SENSE Constant On-Time Synchronous Step-Down
DC/DC Controller, No R SENSE Required
10A DC/DC μModule ? Complete Power Supply
12A DC/DC μModule Complete Power Supply
12A, 1MHz, Monolithic Synchronous Step-Down DC/DC
Converter
10A, 1MHz, Monolithic Synchronous Step-Down DC/DC
Converter
Low I Q , Dual Output 2-Phase Synchronous Step-Down
DC/DC Controller with 99% Duty Cycle
Low I Q , Dual Output 2-Phase Synchronous Step-Down
DC/DC Controller with 99% Duty Cycle
Low I Q , High Voltage Synchronous Step-Down DC/DC
Controller
Very Fast Transient Response, t ON(MIN) = 43ns, 4V ≤ V IN ≤ 38V,
0.8V ≤ V OUT ≤ 0.9V IN , SSOP-16
Very Fast Transient Response, t ON(MIN) = 43ns, 4V ≤ V IN ≤ 38V,
0.6V ≤ V OUT ≤ 0.9V IN , MSOP-16E, 3mm × 3mm QFN-16
High Efficiency, Compact Size, Fast Transient Response 4.5V ≤ V IN ≤ 28V,
0.8V ≤ V OUT ≤ 5V, 15mm × 15mm × 2.8mm
High Efficiency, Compact Size, Fast Transient Response 4.5V ≤ V IN ≤ 28V,
0.8V ≤ V OUT ≤ 5V, 15mm × 15mm × 2.8mm
High Efficiency, Adjustable Constant On-Time 4V ≤ V IN ≤ 24V,
V OUT(MIN) 0.6V, 9mm × 9mm QFN-64
High Efficiency, Adjustable Constant On-Time 4V ≤ V IN ≤ 32V,
V OUT(MIN) 0.6V, 9mm × 9mm QFN-64
Phase-Lockable Fixed Operating Frequency 50kHz to 900kHz,
4V ≤ V IN ≤ 38V, 0.8V ≤ V OUT ≤ 24V, I Q = 50μA
Phase-Lockable Fixed Operating Frequency 50kHz to 900kHz,
4V ≤ V IN ≤ 24V, 0.8V ≤ V OUT ≤ 14V, I Q = 170μA,
Adjustable Fixed Operating Frequency 100kHz to 500kHz,
4V ≤ V IN ≤ 60V, 1.23V ≤ V OUT ≤ 36V, I Q = 30μA, TSSOP-16
No R SENSE is a trademark of Linear Technology Corporation. μModule is a registered trademark of Linear Technology Corporation.
3855f
1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408)432-1900 ● FAX:(408)434-0507    www.linear.com ●
   Linear Technology Corporation
LT 1009 ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2009
相关PDF资料
PDF描述
VI-25K-EY-B1 CONVERTER MOD DC/DC 40V 50W
LT3724IFE#TRPBF IC REG CTRLR BST INV PWM 16TSSOP
VI-25K-EW-F4 CONVERTER MOD DC/DC 40V 100W
LT3800IFE#TRPBF IC REG CTRLR INV PWM CM 16-TSSOP
VI-25K-EW-F3 CONVERTER MOD DC/DC 40V 100W
相关代理商/技术参数
参数描述
LTC3855IUJ#PBF 功能描述:IC REG CTRLR BUCK PWM CM 40-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 特色产品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 标准包装:1 系列:PowerWise® PWM 型:电压模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.5 V ~ 18 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:-5°C ~ 125°C 封装/外壳:32-WFQFN 裸露焊盘 包装:Digi-Reel® 产品目录页面:1303 (CN2011-ZH PDF) 其它名称:LM3754SQDKR
LTC3855IUJ#PBF-ES 制造商:Linear Technology 功能描述:
LTC3855IUJ#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 40-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 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)
LTC3856EFE#PBF 功能描述:IC REG CTRLR BUCK PWM CM 38TFSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 标准包装:2,000 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:1MHz 占空比:50% 电源电压:9 V ~ 10 V 降压:无 升压:是 回扫:是 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:8-TSSOP(0.173",4.40mm 宽) 包装:带卷 (TR)
LTC3856EFE#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 38TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 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)