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LTC4011CFE PDF预览

LTC4011CFE

更新时间: 2024-09-28 05:43:59
品牌 Logo 应用领域
凌特 - Linear 电源电路电池电源管理电路光电二极管
页数 文件大小 规格书
26页 652K
描述
High Efficiency Standalone Nickel Battery Charger

LTC4011CFE 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:TSSOP包装说明:HTSSOP,
针数:20Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.14Is Samacsys:N
模拟集成电路 - 其他类型:BATTERY CHARGE CONTROLLER控制技术:PULSE WIDTH MODULATION
最大输入电压:34 V最小输入电压:4.5 V
标称输入电压:12 VJESD-30 代码:R-PDSO-G20
JESD-609代码:e0长度:6.5 mm
湿度敏感等级:1功能数量:1
端子数量:20最高工作温度:70 °C
最低工作温度:标称输出电压:5 V
封装主体材料:PLASTIC/EPOXY封装代码:HTSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):235认证状态:Not Qualified
座面最大高度:1.2 mm表面贴装:YES
切换器配置:PUSH-PULL最大切换频率:640 kHz
技术:CMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:20宽度:4.4 mm
Base Number Matches:1

LTC4011CFE 数据手册

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LTC4011  
High Efficiency Standalone  
Nickel Battery Charger  
FeaTures  
DescripTion  
TheꢀLTC®4011ꢀprovidesꢀaꢀcomplete,ꢀcost-effectiveꢀnickelꢀ  
batteryꢀfastꢀchargeꢀsolutionꢀinꢀaꢀsmallꢀpackageꢀusingꢀfewꢀ  
externalꢀ components.ꢀ Aꢀ 550kHzꢀ PWMꢀ currentꢀ sourceꢀ  
controllerꢀandꢀallꢀnecessaryꢀchargeꢀinitiation,ꢀmonitoringꢀ  
andꢀterminationꢀcontrolꢀcircuitryꢀareꢀincluded.  
n
ꢀ CompleteꢀNiMH/NiCdꢀChargerꢀforꢀ1ꢀtoꢀ16ꢀCells  
n
ꢀ NoꢀMicrocontrollerꢀorꢀFirmwareꢀRequired  
n
ꢀ 550kHzꢀSynchronousꢀPWMꢀCurrentꢀSourceꢀController  
n
ꢀ NoꢀAudibleꢀNoiseꢀwithꢀCeramicꢀCapacitors  
n
ꢀ PowerPath™ꢀControlꢀSupport  
n
ꢀ ProgrammableꢀChargeꢀCurrent:ꢀ5%ꢀAccuracy  
Theꢀ LTC4011ꢀ automaticallyꢀ sensesꢀ theꢀ presenceꢀ ofꢀ aꢀ  
DCꢀ adapterꢀ andꢀ batteryꢀ insertionꢀ orꢀ removal.ꢀ Heavilyꢀ  
dischargedbatteriesareprechargedwithatricklecur-  
rent.ꢀTheꢀLTC4011ꢀcanꢀsimultaneouslyꢀuseꢀbothꢀ–∆Vꢀandꢀ  
∆T/∆tꢀfastꢀchargeꢀterminationꢀtechniquesꢀandꢀcanꢀdetectꢀ  
variousbatteryfaults.Ifnecessary,atop-offchargeisꢀ  
automaticallyꢀappliedꢀtoꢀNiMHꢀbatteriesꢀafterꢀfastꢀcharg-  
ingꢀisꢀcompleted.ꢀTheꢀICꢀwillꢀalsoꢀresumeꢀchargingꢀifꢀtheꢀ  
batteryꢀself-dischargesꢀafterꢀaꢀfullꢀchargeꢀcycle.  
n
ꢀ WideꢀInputꢀVoltageꢀRange:ꢀ4.5Vꢀtoꢀ34V  
n
ꢀ AutomaticꢀTrickleꢀPrecharge  
n
ꢀ –∆VꢀFastꢀChargeꢀTermination  
n
ꢀ Optionalꢀ∆T/∆tꢀFastꢀChargeꢀTermination  
n
ꢀ AutomaticꢀNiMHꢀTop-OffꢀCharge  
n
ꢀ ProgrammableꢀTimer  
n
ꢀ AutomaticꢀRecharge  
n
ꢀ MultipleꢀStatusꢀOutputs  
n
ꢀ MicropowerꢀShutdown  
n
AllꢀLTC4011ꢀchargingꢀoperationsꢀareꢀqualifiedꢀbyꢀactualꢀ  
chargeꢀtimeꢀandꢀmaximumꢀaverageꢀcellꢀvoltage.ꢀChargingꢀ  
mayalsobegatedbyminimumandmaximumtemperatureꢀ  
limits.ꢀNiMHꢀorꢀNiCdꢀfastꢀchargeꢀterminationꢀparametersꢀ  
areꢀpin-selectable.  
ꢀ 20-LeadꢀThermallyꢀEnhancedꢀTSSOPꢀPackage  
applicaTions  
n
ꢀ IntegratedꢀorꢀStandaloneꢀBatteryꢀCharger  
n
ꢀ PortableꢀInstrumentsꢀorꢀConsumerꢀProducts  
IntegratedPowerPathcontrolsupportensuresthattheꢀ  
systemremainspoweredatalltimeswithoutallowingloadꢀ  
transientsꢀtoꢀadverselyꢀaffectꢀchargeꢀtermination.  
n
ꢀ Battery-PoweredꢀDiagnosticsꢀandꢀControl  
n
ꢀ Back-UpꢀBatteryꢀManagement  
L,ꢀLT,LTC,ꢀLTM,ꢀLinearꢀTechnologyꢀandꢀtheꢀLinearꢀlogoꢀareꢀregisteredꢀtrademarksꢀofꢀLinearꢀ  
TechnologyꢀCorporation.ꢀPowerPathꢀisꢀaꢀtrademarkꢀofꢀLinearꢀTechnologyꢀCorporation.ꢀAllꢀotherꢀ  
trademarksꢀareꢀtheꢀpropertyꢀofꢀtheirꢀrespectiveꢀowners.  
Typical applicaTion  
2AꢀNiMHꢀBatteryꢀCharger  
2AꢀNiMHꢀChargeꢀCycleꢀatꢀ1C  
FROM  
ADAPTER  
5V  
10µF  
INFET  
FAULT  
CHRG  
TOC  
READY  
4.7µH  
10µF  
0.033µF  
0.068µF  
0.1µF  
4011fb  

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