LM5023 (ACTIVE) AC-DC Quasi-Resonant Current Mode PWM Controller


Models (3)

Title Category Type Date
LM5023 TINA-TI Transient Spice Model TINA-TI Spice Model ZIP 20 Jun 2013
LM5023 TINA-TI Transient Reference Design TINA-TI Reference Design TSC 20 Jun 2013
LM5023 PSpice Transient Model PSpice Model ZIP 31 May 2013

Design kits & evaluation modules (3)

Name Part# Type
LM5023 19V 65W Notebook Adapter Evaluation Module LM5023-2NBEVM Evaluation Modules & Boards
UCC24630 65W AC/DC Adapter UCC24630EVM-636 Evaluation Modules & Boards
UCC28740EVM-525 Evaluation Module UCC28740EVM-525 Evaluation Modules & Boards

Reference designs

95VAC-130VAC to 24V/72W Flyback Reference Design

The PMP20815 reference design is a DCM Flyback with Optocoupler feedback. It operates at a 130kHz switching frequency to reduce transformer size. The reference design converts low-line AC mains to a 24V/72W output at 91% efficiency.

View the Important Notice for reference designs covering authorized use, intellectual property matters and disclaimers.

Description Part Number Company Tool Type
144 to 253VAC Vin 10.5W Quasi-Resonant Flyback Reference Design PMP8735 Texas Instruments Reference designs
195 to 265VAC Vin 50W Quasi-Resonant Synchronous Flyback Reference Design PMP8677 Texas Instruments Reference designs
AC Offline Converter Providing 5VDC or 12VDC Output at 2A PMP7883 Texas Instruments Reference designs
Low Standby Power Quasi-Resonant Isolated Flyback 90 to 265VACin 24V@0.7A Reference Design PMP8655 Texas Instruments Reference designs
Universal Input 3.8W Quasi-Resonant Flyback using LM5023 Reference Design PMP8650 Texas Instruments Reference designs

WEBENCH® Designer LM5023

 AC  DC  
AC Frequency  60 Hz  50 Hz
Use Isolated Output?
  Min   Max Range
VinRMS  V 14.00 to 2000.00V
Vout  V 3.3 to 1000V
Iout  A ≤ 100A
Ambient Temp  °C -40 to 125°C