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10-V to 55-V Input, 3.3-V Output, 4-A, Wide Input Range EVM



  • Up to 93% peak and 91% full load efficiency at 10 V input
  • 10 V to 55 V input range
  • 3.3 V fixed output, adjustable with single resistor
  • 4 Adc output current
  • 250 kHz operation
  • Single main switch MOSFET and single synchronous rectifier MOSFET
  • Compact size, surface mount design (2.0 x 2.2)
  • Voltage mode control
  • Up to 20 kHz feedback loop bandwidth for fast transient response and high stabilityoperation
  • Double sided PCB with power stage and devices all on top side
  • Convenient test points for probing critical waveforms and non-invasive loop response testing

Texas Instruments  TPS40060EVM

TPS40060EVM is a wide input range synchronous buck converter using the full input range ofthe TPS40060 to produce a regulated 3.3 V output at up to 4 A of load current. Using lossless RDS(on) current sense for short circuit protection and a high-side P-channel MOSFET simplifies the circuit design without sacrificing performance. The evaluation module provides test points for input voltage, output voltage, key waveforms and a 50 Ohm connection point in the feedback loop for non-invasive measurements of the feedback loop along with an oscilloscope jack for easy measurements of output ripple. With the wide input range and voltage feed-forward capabilities of the TPS40060, many differentsources are possible from a single converter, including 16 V, 24 V, 36 V and 42 V.