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Datasheet Linear Technology LTC3892

ManufacturerLinear Technology
SeriesLTC3892

60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller

Datasheets

  • Download » Datasheet, PDF, 1.4 Mb, Revision: C
    LTC3892/LTC3892-1/LTC3892-2 - 60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller
    Docket ↓
    LTC3892/
    LTC3892-1/LTC3892-2
    60V Low IQ, Dual, 2-Phase
    Synchronous Step-Down
    DC/DC Controller
    DESCRIPTION FEATURES
    Wide VIN Range: 4.5V to 60V (65V Abs Max)
    nn Wide Output Voltage Range: 0.8V ≤ V
    OUT ≤ 99% VIN
    nn Adjustable Gate Drive Level 5V to 10V (OPTI-DRIVE)
    nn No External Bootstrap Diodes Required
    nn Low Operating I : 29μA (One Channel On)
    Q
    nn Selectable Gate Drive UVLO Thresholds
    nn Out-of-Phase Operation Reduces Required Input
    Capacitance and Power Supply Induced Noise
    nn Phase-Lockable Frequency: 75kHz to 850kHz
    nn Selectable Continuous, Pulse Skipping or Low Ripple
    Burst Mode® Operation at Light Loads
    nn Selectable Current Limit (LTC3892/LTC3892-2)
    nn Very Low Dropout Operation: 99% Duty Cycle
    nn Power Good Output Voltage Monitors (LTC3892/LTC3892-2)
    nn Low Shutdown I : 3.6μA ...

Prices

Packaging

LTC3892EUH#PBFLTC3892EUH#TRPBFLTC3892HUH#PBFLTC3892HUH#TRPBFLTC3892IUH#PBFLTC3892IUH#TRPBFLTC3892MPUH#PBFLTC3892MPUH#TRPBF
Package5x5 QFN-325x5 QFN-325x5 QFN-325x5 QFN-325x5 QFN-325x5 QFN-325x5 QFN-325x5 QFN-32
Package CodeUHUHUHUHUHUHUHUH

Parametrics

LTC3892EUH#PBFLTC3892EUH#TRPBFLTC3892HUH#PBFLTC3892HUH#TRPBFLTC3892IUH#PBFLTC3892IUH#TRPBFLTC3892MPUH#PBFLTC3892MPUH#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 Mode
Demo BoardsDC1998A,DC2190A-A,DC2190A-B,DC2493ADC1998A,DC2190A-A,DC2190A-B,DC2493ADC1998A,DC2190A-A,DC2190A-B,DC2493ADC1998A,DC2190A-A,DC2190A-B,DC2493ADC1998A,DC2190A-A,DC2190A-B,DC2493ADC1998A,DC2190A-A,DC2190A-B,DC2493ADC1998A,DC2190A-A,DC2190A-B,DC2493ADC1998A,DC2190A-A,DC2190A-B,DC2493A
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 Model
Export Control, yes/nonononononononono
FeaturesBurst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking, Power GoodBurst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking, Power GoodBurst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking, Power GoodBurst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking, Power GoodBurst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking, Power GoodBurst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking, Power GoodBurst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking, Power GoodBurst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking, Power Good
Frequency, kHz900900900900900900900900
Frequency Adjust Range50kHz - 900kHz50kHz - 900kHz50kHz - 900kHz50kHz - 900kHz50kHz - 900kHz50kHz - 900kHz50kHz - 900kHz50kHz - 900kHz
Frequency Sync Range75kHz - 850kHz75kHz - 850kHz75kHz - 850kHz75kHz - 850kHz75kHz - 850kHz75kHz - 850kHz75kHz - 850kHz75kHz - 850kHz
Integrated Inductor, yes/nonononononononono
Ishutdown, µA3.63.63.63.63.63.63.63.6
Isupply, mA0.0340.0340.0340.0340.0340.0340.0340.034
Max Phases22222222
Monolithic, yes/nonononononononono
Number of Outputs22222222
Operating Temperature Range, °C0 to 850 to 85-40 to 125-40 to 125-40 to 85-40 to 85-55 to 125-55 to 125
Output Current, A1515151515151515
Output Current 2, A1515151515151515
Polyphase, yes/noyesyesyesyesyesyesyesyes
Sense ResistorRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCR
Switch Current, A1515151515151515
Switch Current 2, A1515151515151515
Synchronous, yes/noyesyesyesyesyesyesyesyes
TopologyBuckBuckBuckBuckBuckBuckBuckBuck
Topology 1BuckBuckBuckBuckBuckBuckBuckBuck
Topology 2BuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V6060606060606060
Vin Min, V4.54.54.54.54.54.54.54.5
Vout Max, V59.459.459.459.459.459.459.459.4
Vout Max 2, V59.459.459.459.459.459.459.459.4
Vout Maximum0.99Vin0.99Vin0.99Vin0.99Vin0.99Vin0.99Vin0.99Vin0.99Vin
Vout Min, V0.80.80.80.80.80.80.80.8
Vout Min 2, V0.80.80.80.80.80.80.80.8
Vref Accuracy Over Temp, %1.51.51.51.51.51.51.51.5

Eco Plan

Moldel Line

Series: LTC3892 (8)

Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Micropower Buck Regulators | High Input Voltage Buck | External Power Switch Buck Controllers
  • Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators

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