TIDT253 January   2022

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Key System Requirements
  5. 2Testing and Results
    1. 2.1 Sensed VCR and Output Voltage Ripple Under Different Loads
    2. 2.2 Control Loop Bode Plot Comparison
    3. 2.3 Transient Response Test
    4. 2.4 References

Features

  • 80 plus titanium efficiency, η = > 95% at 20%–100% load
  • Fast load transient, VO change within 300 mV at 2.5-A/µs slew rate
  • CCM GaN based totem-pole bridgeless PFC stage with > 99% peak efficiency, enabled by LMG341x GaN FET with integrated driver
  • Half-bridge Si MOSFET LLC stage with > 98% peak efficiency
  • Power density 39 W/in3,
    38 mm × 66 mm × 165 m