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Datasheet Linear Technology LTC3126IUFD#PBF

Manufacturer:Linear Technology
Series:LTC3126
Part Number:LTC3126IUFD#PBF

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

Datasheets

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    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

Package4x5 QFN-28
Package CodeUFD

Parametrics

Number of Channels2
Demo BoardsDC2215A
Design ToolsLTspice Model
Diode Off with Back-to-Back FETs?no
Export Controlno yes/no
Ideal DiodeDual, Internal, N-Channel
Internal FETyes yes/no
Ishutdown1 µA
Operating Temperature Range-40 to 85 °C
Total Quiescent Current0.0055 mA
Typical Current Capability2.5 A
Vin Max42 V
Vin Min2.4 V

Eco Plan

RoHSCompliant

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

Other Names: LTC3126IUFDPBF, LTC3126IUFD PBF

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