The E522.01/02/03/04/05/06/07/08/09 product family provides ultra low quiescent current step down DC/DC converters with integrated power MOSFET.
The PFM (Pulse Frequency Modulation) regulator allows outstanding fast line-... read more


  • Voltage range 4.3V to 40V
  • PFM regulator up to 1.33MHz
  • Up to >92% efficiency
  • Very low 8µA sleep mode current
  • Ultra low 12µA standby current
  • 100% duty cycle capability
  • AEC-Q100 qualification
  • Junction temperature range –40°C to +150°C


Document Description Type
Info Sheet PDF 206 kB

Application diagram


  • Micro Controller Systems
  • Automotive Telematics (Dashboards, LED Background Lighting)
  • Rear Light Module
  • Brake Lamp
  • Daytime Running Light
  • USB Supplies
  • Body Computer
  • Partial Networking
  • Peripheral Control Systems

Order Information

Distributor Inventory Search
Buy our Products at your local Distributor
Please note that you are leaving the Elmos website with this link.


Part No. Output Voltage Output Current TempJunc Range Package Order No.
E522.03 5V 350mA -40°C to +150°C QFN20L4 E52203A52C
E522.03 5V 350mA -40°C to +150°C TSSOP16 E52203A65B


Part No. Description Board type Order No.
E522.03 Low Quiescent Current PFM Step Down Converter (5V/350mA) Evaluation Board K52203-0001
Show cookie popup