gate

              快速发布采购 管理采购信息

              LT3840 PDF Datasheet浏览和下载

              型号.:
              LT3840
              PDF下载:
              下载PDF文件
              内容描述:
              [60V DC-DC]
              文件大?。?/dt>
              285 K
              文件页数:
              24 Pages
              品牌Logo:
              品牌名称:
              LINER [ LINEAR TECHNOLOGY ]
              • 供货商
              • IC型号
              • 厂家
              • 批号
              • 数量
              • 封装
              • 单价/备注
              • 操作
               浏览型号LT3840的Datasheet PDF文件第2页浏览型号LT3840的Datasheet PDF文件第3页浏览型号LT3840的Datasheet PDF文件第4页浏览型号LT3840的Datasheet PDF文件第5页浏览型号LT3840的Datasheet PDF文件第6页浏览型号LT3840的Datasheet PDF文件第7页浏览型号LT3840的Datasheet PDF文件第8页浏览型号LT3840的Datasheet PDF文件第9页 
              FeaTures
              n
              n
              LT3840
              Wide Input Range
              Synchronous Regulator Controller
              with Accurate Current Limit
              DescripTion
              The
              is a high voltage synchronous step-down
              switching regulator controller capable of operating from
              a 2.5V to 60V supply.
              The LT3840’s low quiescent current, when configured for
              user selectable Burst Mode operation, helps extend run
              time in battery-powered systems by increasing efficiency
              at light loads. The LT3840 uses a constant frequency,
              current mode architecture. High current applications are
              possible with large N-channel gate drivers capable of
              driving multiple low R
              DS(ON)
              MOSFETs.
              An integrated buck-boost switching regulator generates
              a 7.5V bias supply voltage for MOSFET gate drive and IC
              power allowing higher efficiency operation over the entire
              input voltage range and eliminating the need for an external
              bias voltage. An accurate current limit set point regulates
              the maximum output current. A current monitor reports
              the average output current.
              L,
              LT, LTC, LTM, Linear Technology, Burst Mode, and the Linear logo are registered
              trademarks of Linear Technology Corporation. All other trademarks are the property of their
              respective owners.
              n
              n
              n
              n
              n
              n
              n
              n
              n
              n
              Wide Input Range: 2.5V to 60V
              Integrated Buck-Boost Supply for 7.5V MOSFET
              Gate Drive
              Programmable Constant-Current Operation with
              Current Monitor Output
              Low I
              Q
              : 75μA, 12V
              IN
              to 3.3V
              OUT
              Selectable Low Output Ripple Burst Mode
              ?
              Operation
              V
              OUT
              Up to 60V
              Adjustable and Synchronizable: 50kHz to 1MHz
              Internal OVLO Protects for Input Transients Up to 80V
              Accurate Input Overvoltage and Undervoltage Threshold
              Programmable Soft-Start with Voltage Tracking
              Power Good and Output OVP
              28-Lead TSSOP and 38-Lead 4mm × 6mm QFN Packages
              applicaTions
              n
              n
              n
              Automotive Supplies
              Industrial Systems
              Distributed DC Power Systems
              Typical applicaTion
              High Efficiency Synchronous Step-Down Converter
              V
              IN
              4V TO 60V
              68μF
              ×2
              1μF
              33μH
              100
              95
              AUXBST AUXSW1
              EN
              V
              IN
              AUXVIN
              UVLO
              OVLO
              PG
              SYNC
              MODE
              RT
              V
              C
              49.9k
              20k
              1500pF
              100pF
              IMON
              ICOMP
              7.68k
              470pF
              3840 TA01a
              12V
              IN
              to 3.3V
              OUT
              Efficiency
              AUXSW2
              INTV
              CC
              90
              EFFICIENCY (%)
              1.5μH
              2m
              V
              OUT
              3.3V
              20A
              330μF
              ×2
              4.7μF
              85
              80
              75
              70
              65
              60
              55
              50
              0
              5
              10
              15
              LOAD CURRENT (A)
              20
              3840 TA01b
              LT3840
              BOOST
              1μF
              TG
              SW
              BG
              SENSE
              +
              SENSE
              FB
              GND
              ICTRL
              16.9k
              10k
              TK/SS
              2200pF
              3840fa
              For more information
              1

              百度|中国纪委国家监委网站|北京纪检监察网|gate注册 | gate平台 | www.baidu.com-百度百科|

              健康遊戲忠告:抵制不良遊戲拒絕盜版遊戲注意自我保護謹防受騙上當適度遊戲益腦沉迷遊戲傷身合理安排時間享受健康生活

              備案號:皖B2-2334451本站www.bbhnm.com所有