MP3212

Active
1.3A, 1MHz Step-up Regulator with Integrated Input Disconnect Switch


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Product Description

The MP3212 is a high efficiency, fixed frequency, current-mode boost converter with input disconnect, inrush current limiting, internal soft-start and compensation. The 1MHz switching frequency allows for smaller external components producing a compact solution for a wide range of load currents. The input disconnect feature provides complete isolation from output to input when the device is in either shutdown mode or fault condition. The internal compensation minimizes the external component count and soft-start limits the current during startup. The MP3212 automatically transitions into pulse-frequency modulation mode to achieve better efficiency at light load. The input voltage range of 2.3V to 5.5V can generate 28V at up to 100mA. The MP3212 includes under-voltage lockout, current limit, over voltage protection and thermal shutdown. In addition to cycle by cycle current limit at power switch, the average current is also monitored at disconnect switch to prevent damage in the event of output overload. The MP3212 is offered in a compact 10-pin QFN (3mm x 3mm) package.

Product Features

  • Up to 88% Efficiency
  • 2.3V to 5.5V Input Voltage
  • Up to 28V Output
  • 1MHz Fixed Switching Frequency
  • Integrated Power MOSFET
  • Integrated Input Disconnect Switch Zero Current Shutdown Mode
  • Internal Soft-Start
  • Internal Compensation
  • Automatic Pulse Frequency Modulation
  • Mode at Light Load
  • Inrush Current Limiting
  • 1.3A Typical Switch Current Limit
  • Under Voltage Lockout
  • Over Voltage Protection
  • Thermal Shutdown
  • 10-Pin QFN 3x3mm Package

Parametrics

  • Vin (min) (V)2.3
  • Vin (max) (V)5.5
  • Isw Limit (typ) (A)1.3
  • Iq (typ) (mA)0.18
  • Regulated Outputs1
  • Vout (max) (V)28
  • Vfb (V)1.23
  • GradeCatalog
  • PackageQFN-10 (3x3)
  • Special FeaturesCurrent Limiting, Thermal Shutdown
  • SSInternal
  • Down ModeNo
  • PGNo
  • Input/Output DisconnectNo
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Evaluation Kit

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Kit details

The EV3212DQ-00A is the evaluation board of MP3212, a constant frequency, 10-pin QFN current mode step up converter intended for small, low power applications. The EV3212DQ operates from an input voltage as low as 2.3V and can generate as high as 28V output voltage and up to 100mA output current.

The EV3212 features PFM at light loads for high efficiency. The EV3212 includes under-voltage lockout, output over-voltage protection, current limiting, and thermal overload protection to prevent damage in the event of an output overload.

US$ 25.00 + tax