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MP2456

Active
0.5A, 50V, 1.2MHz Step-Down Converter in TSOT23-6
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Datasheet (EN)

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Product Description

The MP2456 is a monolithic, step-down, switch-mode converter with a built-in power MOSFET. It achieves a 0.5A peak-output current over a wide input supply range with excellent load and line regulation. Current-mode operation provides a fast transient response and eases loop stabilization. Fault condition protections include cycle­by­cycle current limiting and thermal shutdown. 
The MP2456 requires a minimal number of readily-available external components. The MP2456 is available in a TSOT23-6 package.

Programmable

Product Features

  • 0.5A Peak Output Current
  • 1Ω Internal Power MOSFET
  • Capable to Start Up with Big Output Capacitor
  • Stable with Low-ESR Ceramic Output Capacitors
  • Up to 90% Efficiency
  • 0.1μA Shutdown Mode
  • Fixed 1.2MHz Frequency
  • Thermal Shutdown
  • Cycle-by-Cycle Over-Current Protection
  • Wide 4.5V-to-50V Operating Input Range
  • Output Adjustable from 0.81V to 0.9xVIN
  • Available in a TSOT23-6 Package

Parametrics

  • fsw (max) (kHz)1200
  • Vin (min) (V)4.5
  • Vin (max) (V)50
  • Iout (max) (A)0.5
  • Isw Limit (typ) (A)1.25
  • Max Duty Cycle (%)91
  • Vfb (typ) (V)0.812
  • Iq (typ) (mA)0.73
  • Regulated Outputs1
  • Vout (max) (V)45
  • Vout (min) (V)0.81
  • GradeCatalog
  • PackageTSOT23-6
  • Control ModeCurrent Mode

Evaluation Kit

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Kit details

The EV2456-J-00A is an evaluation board for the MP2456, a high-voltage step-down regulator with a built-in power MOSFET.

MP2456 achieves a 0.5A peak-output current over a wide input supply range with excellent load and line regulation. Current-mode operation provides a fast transient response and eases loop stabilization.

The MP2456 is available in a TSOT23-6 package and requires a minimal number of readily-available external components.

The EV2456-J-00A is a fully assembled and tested evaluation board. It generates a +12V output voltage at load current up to 0.5A from a 15V to 50V input range.

$25.00 + tax


Reference Materials