MP3414

Active
1.8A, 1MHz Synchronous, Step-up Converter with Output Disconnect

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Product Description

The MP3414 is a high-efficiency, synchronous, current?ode, step-up converter with output disconnect.? The MP3414 can start up from an input voltage as low as 0.8V to provide inrush current limiting, and output short-circuit protection. The integrated, P-channel, synchronous rectifier improves efficiency and eliminates the need for an external Schottky diode. The PMOS disconnects the output from the input when the part shuts down. This output disconnect feature allows the output to be completely discharged, thus allowing the part to draw a 1? supply current in shutdown mode.?The 1MHz switching frequency allows for smaller external components, while the internal compensation and the soft-start minimize the external component count: these feature help to produce a compact solution for a wide current load range. The MP3414 features an integrated power MOSFET that supports up to a 4V output and a typical 1.8A peak switching current.?The MP3414 is available in a small 8-pin TSOT23 package.

Product Features

  • Up to 96% Efficiency
  • 0.8V Low Voltage Start-Up
  • 0.6V-to-4V Input Range
  • 1.8V-to-4V Output Range
  • Internal Synchronous Rectifier
  • 1MHz Fixed-Frequency Switching
  • 35? Quiescent Current
  • 1? Shutdown Current
  • Current-Mode Control with Internal Compensation
  • True Output Disconnect from Input
  • VIN>VOUT Down Mode Operation
  • High Efficiency under Light-Load Conditions
  • Very Small External Components
  • Inrush Current Limiting and Internal Soft-Start
  • Over-Voltage Protection
  • Short-Circuit Protection
  • TSOT23-8 Package

Parametrics

  • Vout (min) (V)1.8
  • Vin (min) (V)0.6
  • Vin (max) (V)4
  • Isw Limit (typ) (A)1.8
  • Iq (typ) (mA)0.035
  • Regulated Outputs1
  • fsw (max) (kHz)1000
  • Vout (max) (V)4
  • Vfb (V)1.21
  • PackageTSOT23-8
  • Mps StatusActive
  • mps_Status1
  • GradeCatalog
  • Special FeaturesCurrent Limiting, OVP
  • SSInternal
  • Down ModeYes
  • PGNo
  • Input/Output DisconnectYes

Evaluation Kit

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Kit details

EV3414A-J-00A Evaluation Board is designed to demonstrate the capability of MP3414A. The MP3414A is a high-efficiency, synchronous, current-mode, step-up converter with output disconnect.

The MP3414A provides inrush current limiting and output short-circuit protection. The integrated, P-channel, synchronous rectifier improves efficiency and eliminates the need for an external Schottky diode. The PMOS disconnects the output from the input when the part shuts down.

The 1MHz switching frequency allows for small external components, while the internal compensation and the soft-start minimize the external component count. The MP3414A is available in a small 8-pin TSOT23 package.

US$ 25.00 + tax