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Datasheet Linear Technology LTC3862

ManufacturerLinear Technology
SeriesLTC3862

Multi-Phase Current Mode Step-Up DC/DC Controller

Datasheets

  • Download » Datasheet, PDF, 1.0 Mb, Revision: C
    LTC3862 - Multi-Phase Current Mode Step-Up DC/DC Controller
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    LTC3862
    Multi-Phase Current Mode
    Step-Up DC/DC Controller
    Features Description Wide VIN Range: 4V to 36V Operatio 2-Phase Operation Reduces Input and Output Capacitance
    n Fixed Frequency, Peak Current Mode Control
    n 5V Gate Drive for Logic-Level MOSFETs
    n Adjustable Slope Compensation Gai Adjustable Max Duty Cycle (Up to 96%)
    n Adjustable Leading Edge Blanking
    n В±1% Internal Voltage Reference
    n Programmable Operating Frequency with One
    External Resistor (75kHz to 500kHz)
    n Phase-Lockable Fixed Frequency 50kHz to 650kHz
    n SYNC Input and CLKOUT for 2-, 3-, 4-, 6-or
    12-Phase Operation (PHASEMODE Programmable)
    n Internal 5V LDO Regulator
    n 24-Lead Narrow SSOP Package
    n 5mm Г— 5mm QFN with 0.65mm Lead Pitch and
    24-Lead Thermally Enhanced TSSOP Packages The LTCВ®3862 is a two phase constant frequency, current
    mode boost and SEPIC controller that drives N-channel
    power MOSFETs. Two phase operation reduces system
    filtering capacitance and inductance requirements. INTVCC VIN ON VIN OFF LTC3862 5V 3.3V 2.9V Applications LTC3862-1 10V 7.5V 7.0V LTC3862-2 10V 4.4V 3.9V n Automotive, Telecom and Industrial Power Supplies n The operating frequency can be set with an external resistor
    over a 75kHz to 500kHz range and can be synchronized
    to an external clock using the internal PLL. Multi-phase ...

Prices

Packaging

LTC3862EFE#PBFLTC3862EFE#TRPBFLTC3862EGN#PBFLTC3862EGN#TRPBFLTC3862EUH#PBFLTC3862EUH#TRPBFLTC3862HFE#PBFLTC3862HFE#TRPBFLTC3862HGN#PBFLTC3862HGN#TRPBFLTC3862HUH#PBFLTC3862HUH#TRPBFLTC3862IFE#PBFLTC3862IFE#TRPBFLTC3862IGN#PBFLTC3862IGN#TRPBFLTC3862IUH#PBFLTC3862IUH#TRPBF
PackageTSSOP-24TSSOP-24SSOP-24SSOP-245x5 QFN-245x5 QFN-24TSSOP-24TSSOP-24SSOP-24SSOP-245x5 QFN-245x5 QFN-24TSSOP-24TSSOP-24SSOP-24SSOP-245x5 QFN-245x5 QFN-24
Package CodeFEFEGNGNUHUHFEFEGNGNUHUHFEFEGNGNUHUH

Parametrics

LTC3862EFE#PBFLTC3862EFE#TRPBFLTC3862EGN#PBFLTC3862EGN#TRPBFLTC3862EUH#PBFLTC3862EUH#TRPBFLTC3862HFE#PBFLTC3862HFE#TRPBFLTC3862HGN#PBFLTC3862HGN#TRPBFLTC3862HUH#PBFLTC3862HUH#TRPBFLTC3862IFE#PBFLTC3862IFE#TRPBFLTC3862IGN#PBFLTC3862IGN#TRPBFLTC3862IUH#PBFLTC3862IUH#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 ModeConstant Frequency Current ModeConstant Frequency Current Mode
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Export Control, yes/nonononononononononononononononononono
FeaturesPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLLPolyPhase, External Synchronization, Resistor Set Frequency, PLL
Frequency, kHz600600600600600600600600600600600600600600600600600600
Frequency Adjust Range75kHz to 500kHz75kHz to 500kHz75kHz to 500kHz75kHz to 500kHz75kHz to 500kHz75kHz to 500kHz75kHz to 500kHz75kHz to 500kHz75kHz to 500kHz75kHz to 500kHz75kHz to 500kHz75kHz to 500kHz75kHz to 500kHz75kHz to 500kHz75kHz to 500kHz75kHz to 500kHz75kHz to 500kHz75kHz to 500kHz
Frequency Sync Range50kHz to 650kHz50kHz to 650kHz50kHz to 650kHz50kHz to 650kHz50kHz to 650kHz50kHz to 650kHz50kHz to 650kHz50kHz to 650kHz50kHz to 650kHz50kHz to 650kHz50kHz to 650kHz50kHz to 650kHz50kHz to 650kHz50kHz to 650kHz50kHz to 650kHz50kHz to 650kHz50kHz to 650kHz50kHz to 650kHz
Integrated Inductor, yes/nonononononononononononononononononono
Ishutdown, ВµA303030303030303030303030303030303030
Isupply, mA1.81.81.81.81.81.81.81.81.81.81.81.81.81.81.81.81.81.8
Max Phases2, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 12
Monolithic, yes/nonononononononononononononononononono
Number of Outputs111111111111111111
Operating Temperature Range, °C0 to 850 to 850 to 850 to 850 to 850 to 85-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85
Polyphase, yes/nonononononononononononononononononono
Sense ResistorRsenseRsenseRsenseRsenseRsenseRsenseRsenseRsenseRsenseRsenseRsenseRsenseRsenseRsenseRsenseRsenseRsenseRsense
Switch Current, A606060606060606060606060606060606060
Synchronous, yes/nonononononononononononononononononono
TopologyBoost, SepicBoost, SepicBoost, SepicBoost, SepicBoost, SepicBoost, SepicBoost, SepicBoost, SepicBoost, SepicBoost, SepicBoost, SepicBoost, SepicBoost, SepicBoost, SepicBoost, SepicBoost, SepicBoost, SepicBoost, Sepic
Vin Max, V363636363636363636363636363636363636
Vin Min, V444444444444444444
Vin Min Startup, V444444444444444444
Vout Max, V606060606060606060606060606060606060
Vout Maximum9V and higher9V and higher9V and higher9V and higher9V and higher9V and higher9V and higher9V and higher9V and higher9V and higher9V and higher9V and higher9V and higher9V and higher9V and higher9V and higher9V and higher9V and higher
Vout Min, V1.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.223
Vswitch Max, V200200200200200200200200200200200200200200200200200200

Eco Plan

Moldel Line

Series: LTC3862 (18)

Manufacturer's Classification

  • Power Management > Switching Regulator > SEPIC Regulators
  • Power Management > Switching Regulator > Step-Up (Boost) Regulators > External Power Switch Boost
  • Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators

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