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LM3477 Datasheet High Efficiency High-side N-channel Controller

Manufacturer: Texas Instruments

Overview: LM3477 www.ti.com SNVS141K – OCTOBER 2000 – REVISED MARCH 2013 LM3477 High Efficiency High-Side N-Channel Controller for Switching Regulator Check for Samples:.

General Description

The LM3477/A is a high-side N-channel MOSFET switching regulator controller.

It can be used in topologies requiring a high side MOSFET such as buck, inverting (buck-boost) and zeta regulators.

The LM3477/A's internal push pull driver allows compatibility with a wide range of MOSFETs.

Key Features

  • 1.
  • 2 500kHz Switching Frequency.
  • Adjustable Current Limit.
  • 1.5% Reference.
  • Thermal Shutdown.
  • Frequency Compensation Optimized with a Single Capacitor and Resistor.
  • Internal Softstart.
  • Current Mode Operation.
  • Undervoltage Lockout with Hysteresis.
  • 8-lead (VSSOP-8) Package.

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