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Datasheet Linear Technology LTC3126

Manufacturer:Linear Technology
Series:LTC3126

42V, 2.5A Synchronous Step-Down Regulator with No-Loss Input PowerPath

Datasheets

  • Download » Datasheet, PDF, 2.1 Mb, Revision: F
    LTC3126 - 42V, 2.5A Synchronous Step-Down Regulator with No-Loss Input PowerPath
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    LTC3126
    42V, 2.5A Synchronous
    Step-Down Regulator with
    No-Loss Input PowerPath
    Description Features Seamless, Automatic Transition Between Two Input
    Power Sources
    n Wide Input Voltage Range: 2.4V to 42V
    n Wide Output Voltage Range: 0.818V to V
    IN
    n Up to 2.5A Continuous Output Current
    n Pin-Selectable Priority and Ideal Diode-OR Modes
    n Burst Mode® Operation, I = 2µA
    Q
    n 95% Efficiency at 1A, V = 12V, V
    IN
    OUT = 5V
    n 1µA Current in Shutdow Programmable Input UVLO Thresholds
    n Input Valid, Priority Channel and PGOOD Indicators
    n 200kHz to 2.2MHz Fixed Frequency PWM
    n Synchronizable to an External Clock
    n Current Mode Control with 60ns Minimum On-Time
    n Minimal External Components
    n Thermally Enhanced 28-Lead 4mm × 5mm QFN and ...

Prices

Packaging

 LTC3126EFE#PBFLTC3126EFE#TRPBFLTC3126EUFD#PBFLTC3126EUFD#TRPBFLTC3126HFE#PBFLTC3126HFE#TRPBFLTC3126IFE#PBFLTC3126IFE#TRPBFLTC3126IUFD#PBFLTC3126IUFD#TRPBF
PackageTSSOP-28TSSOP-284x5 QFN-284x5 QFN-28TSSOP-28TSSOP-28TSSOP-28TSSOP-284x5 QFN-284x5 QFN-28
Package CodeFEFEUFDUFDFEFEFEFEUFDUFD

Parametrics

 LTC3126EFE#PBFLTC3126EFE#TRPBFLTC3126EUFD#PBFLTC3126EUFD#TRPBFLTC3126HFE#PBFLTC3126HFE#TRPBFLTC3126IFE#PBFLTC3126IFE#TRPBFLTC3126IUFD#PBFLTC3126IUFD#TRPBF
Number of Channels2222222222
Demo BoardsDC2215ADC2215ADC2215ADC2215ADC2215ADC2215ADC2215ADC2215ADC2215ADC2215A
Design ToolsLTspice ModelLTspice ModelLTspice ModelLTspice ModelLTspice ModelLTspice ModelLTspice ModelLTspice ModelLTspice ModelLTspice Model
Diode Off with Back-to-Back FETs?nononononononononono
Export Control, yes/nonononononononononono
Ideal DiodeDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-Channel
Internal FET, yes/noyesyesyesyesyesyesyesyesyesyes
Ishutdown, µA1111111111
Operating Temperature Range, °C0 to 850 to 850 to 850 to 85-40 to 125-40 to 125-40 to 85-40 to 85-40 to 85-40 to 85
Total Quiescent Current, mA0.00550.00550.00550.00550.00550.00550.00550.00550.00550.0055
Typical Current Capability, A2.52.52.52.52.52.52.52.52.52.5
Vin Max, V42424242424242424242
Vin Min, V2.42.42.42.42.42.42.42.42.42.4

Eco Plan

Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck | High Input Voltage Buck
  • Monitor, Control and Protection > PowerPath Controllers & Ideal Diodes
  • Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators

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