Datasheet Linear Technology LT3991 — 数据表

制造商Linear Technology
系列LT3991

具有2.8µA静态电流的55V,1.2A降压型稳压器

数据表

Datasheet LT3991, LT3991-3.3, LT3991-5
PDF, 398 Kb, 语言: en, 文件上传: Sep 19, 2017, 页数: 24
55V, 1.2A Step-Down Regulator with 2.8μA Quiescent Current
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价格

打包

LT3991EDD#PBFLT3991EDD#TRPBFLT3991EMSE#PBFLT3991EMSE#TRPBFLT3991EMSE-3.3#PBFLT3991EMSE-3.3#TRPBFLT3991EMSE-5#PBFLT3991EMSE-5#TRPBFLT3991IDD#PBFLT3991IDD#TRPBFLT3991IMSE#PBFLT3991IMSE#TRPBFLT3991IMSE-3.3#PBFLT3991IMSE-3.3#TRPBFLT3991IMSE-5#PBFLT3991IMSE-5#TRPBF
N12345678910111213141516
Package3x3 DFN-10
包装外形图
3x3 DFN-10
包装外形图
MS-10E
包装外形图
MS-10E
包装外形图
MS-10E
包装外形图
MS-10E
包装外形图
MS-10E
包装外形图
MS-10E
包装外形图
3x3 DFN-10
包装外形图
3x3 DFN-10
包装外形图
MS-10E
包装外形图
MS-10E
包装外形图
MS-10E
包装外形图
MS-10E
包装外形图
MS-10E
包装外形图
MS-10E
包装外形图
Package CodeDDDDMSEMSEMSEMSEMSEMSEDDDDMSEMSEMSEMSEMSEMSE
Package Index05-08-169905-08-169905-08-166405-08-166405-08-166405-08-166405-08-166405-08-166405-08-169905-08-169905-08-166405-08-166405-08-166405-08-166405-08-166405-08-1664
Pin Count10101010101010101010101010101010

参数化

Parameters / ModelsLT3991EDD#PBFLT3991EDD#TRPBFLT3991EMSE#PBFLT3991EMSE#TRPBFLT3991EMSE-3.3#PBFLT3991EMSE-3.3#TRPBFLT3991EMSE-5#PBFLT3991EMSE-5#TRPBFLT3991IDD#PBFLT3991IDD#TRPBFLT3991IMSE#PBFLT3991IMSE#TRPBFLT3991IMSE-3.3#PBFLT3991IMSE-3.3#TRPBFLT3991IMSE-5#PBFLT3991IMSE-5#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC1526ADC1526ADC1526ADC1526ADC1526ADC1526ADC1526ADC1526ADC1526ADC1526ADC1526ADC1526ADC1526ADC1526ADC1526ADC1526A
Design ToolsLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD Model
Export Controlnononononononononononononononono
FeaturesBurst Mode, Resistor Set Frequency, External SynchronizationBurst Mode, Resistor Set Frequency, External SynchronizationBurst Mode, Resistor Set Frequency, External SynchronizationBurst Mode, Resistor Set Frequency, External SynchronizationBurst Mode, Resistor Set Frequency, External SynchronizationBurst Mode, Resistor Set Frequency, External SynchronizationBurst Mode, Resistor Set Frequency, External SynchronizationBurst Mode, Resistor Set Frequency, External SynchronizationBurst Mode, Resistor Set Frequency, External SynchronizationBurst Mode, Resistor Set Frequency, External SynchronizationBurst Mode, Resistor Set Frequency, External SynchronizationBurst Mode, Resistor Set Frequency, External SynchronizationBurst Mode, Resistor Set Frequency, External SynchronizationBurst Mode, Resistor Set Frequency, External SynchronizationBurst Mode, Resistor Set Frequency, External SynchronizationBurst Mode, Resistor Set Frequency, External Synchronization
Frequency, kHz2000200020002000200020002000200020002000200020002000200020002000
Frequency Adjust Range200kHz - 2MHz200kHz - 2MHz200kHz - 2MHz200kHz - 2MHz200kHz - 2MHz200kHz - 2MHz200kHz - 2MHz200kHz - 2MHz200kHz - 2MHz200kHz - 2MHz200kHz - 2MHz200kHz - 2MHz200kHz - 2MHz200kHz - 2MHz200kHz - 2MHz200kHz - 2MHz
Frequency Sync Range250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz
Integrated Inductornononononononononononononononono
Ishutdown, µA0.70.70.70.70.70.70.70.70.70.70.70.70.70.70.70.7
Isupply, mA0.00170.00170.00170.00170.00170.00170.00170.00170.00170.00170.00170.00170.00170.00170.00170.0017
Max Phases1111111111111111
Monolithicyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyes
Number of Outputs1111111111111111
Operating Temperature Range, °C0 to 850 to 850 to 850 to 850 to 850 to 850 to 850 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85
Output Current, A1.21.21.21.21.21.21.21.21.21.21.21.21.21.21.21.2
Polyphasenononononononononononononononono
Switch Current, A2.32.32.32.32.32.32.32.32.32.32.32.32.32.32.32.3
Synchronousnononononononononononononononono
TopologyBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V55555555555555555555555555555555
Vin Min, V4.34.34.34.34.34.34.34.34.34.34.34.34.34.34.34.3
Vout Max, V30303030303030303030303030303030
Vout Maximum30V30V30V30V30V30V30V30V30V30V30V30V30V30V30V30V
Vout Min, V1.191.191.191.191.191.191.191.191.191.191.191.191.191.191.191.19
Vref Accuracy Over Temp, %2.12.12.12.12.12.12.12.12.12.12.12.12.12.12.12.1

生态计划

LT3991EDD#PBFLT3991EDD#TRPBFLT3991EMSE#PBFLT3991EMSE#TRPBFLT3991EMSE-3.3#PBFLT3991EMSE-3.3#TRPBFLT3991EMSE-5#PBFLT3991EMSE-5#TRPBFLT3991IDD#PBFLT3991IDD#TRPBFLT3991IMSE#PBFLT3991IMSE#TRPBFLT3991IMSE-3.3#PBFLT3991IMSE-3.3#TRPBFLT3991IMSE-5#PBFLT3991IMSE-5#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

文章

  • 1.2A Buck Converters Draw Only 2.8µA When Regulating Zero Load, Accept 38VIN or 55VIN &mdash LT Journal
    PDF, 955 Kb, 档案已发布: Dec 1, 2009
    从文件中提取

模型线

制造商分类

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck | High Input Voltage Buck