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- and... read more


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


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File Description Type
Info Sheet PDF 206 kB

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File Description
522.01 | Data Sheet

Application Diagram


  • Supply of
    - Microcontroller systems
    - Automotive telematics, dashboards
    - Partial networking systems
    - Peripheral control systems

Ordering Information

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Part No. Output Voltage Output Current TempJunc Range Package Order No.
E522.01 5V 500mA -40°C to +150°C QFN20L4 E52201A52C
E522.01 5V 500mA -40°C to +150°C TSSOP16 E52201A65B


Part No. Description Board type Order No.
E522.01 Low Quiescent Current PFM Step Down Converter (5V/500mA) Demoboard K52201-0001
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