CISPR25

CISPR 25 CLASS 5 COMPLIANCE

REFERENCE DESIGNS FOR BUCK DC/DC CONVERTERS

 

CISPR 25 is a global automotive component electromagnetic compatibility (EMC) test that sets the limits and methods of measurement of radio disturbance characteristics for the protection of receivers used on board vehicles. It deals with both radiated and conducted emissions.

In CISPR 25 there are five classes of limit lines that can be applied, with Class 5 being the most stringent.

 

The following Torex parts are tested to be compliant with the CISPR 25 Class 5 standard:

 

XD9707 36V 0.6A Synchronous Step-Down DC/DC Converter, AEC-Q100 Grade 1, Ta(max): 125°C

XD9707 Series:CISPR25_Class5 Noise Data [2.4MB] 

Key Features of the XD9707 include:

  • P-Ch High Side Switch to ensure low voltage operation with 100% max duty ratio
  • 3.0V~36.0V and deliver loads up to 600mA. 
  • Designed for very high efficiencies at low output loads
  • Low quiescent current and PWM mode.

Find out more about this product here

XD9707 CISPR25 CLASS 5 REFERENCE DESIGN CIRCUIT

 

XD9707 CISP25 CLASS 5 REFERENCE DESIGN CIRCUIT Image

 
 

XD9707 CISPR25 CLASS 5 REFERENCE DESIGN PCB LAYOUT

XD9707 CISPR25 CLASS 5 REFERENCE DESIGN PCB LAYOUT Image

 

 

 

XDL605 36V 0.6A Step-Down Micro DC/DC Converter with integrated Coil, AEC-Q100 Grade 2, Ta(max): 105°C

XDL605 Series:CISPR25_Class5 Noise Data [2.6MB] 

Key Features of the XDL605 include:

  • 3.0V~36.0V and deliver loads up to 600mA.
  • 46V Surge Voltage Protection (400ms)
  • High reliability: Wettable flank structure, high heat dissipation package.
  • Thermal shutdown, power good, integral soft-start and a built-in UVLO function are also included.

Find out more about this product here

XDL605 CISPR25 CLASS 5 REFERENCE DESIGN CIRCUIT

 

XDL605 CISPR25 CLASS 5 REFERENCE DESIGN CIRCUIT Image

 

XDL605 CISPR25 REFERENCE DESIGN PCB LAYOUT

XDL605 CISPR25 REFERENCE DESIGN PCB LAYOUT Image

 

 

XD9267 36V 0.6A Synchronous Step-Down DC/DC Converter, AEC-Q100 Grade 2, Ta(max): 105°C

XD9267 Series:CISPR25_Class5 Noise Data [2.4MB] 

Key Features of the XD9267 include:

  • P-Ch High Side Switch to ensure low voltage operation with 100% max duty ratio
  • 3.0V~36.0V and deliver loads up to 600mA with fixed PWM mode.
  • 46V Surge Voltage Protection (400ms)
  • Ultra-Low Quiescent Current

Find out more about this product here

XD9267 CISPR25 CLASS 5 REFERENCE DESIGN CIRCUIT

 

XD9267 CISP25 CLASS 5 REFERENCE DESIGN CIRCUIT Image

 
 

XD9267 CISPR25 CLASS 5 REFERENCE DESIGN PCB LAYOUT

XD9707 CISPR25 CLASS 5 REFERENCE DESIGN PCB LAYOUT Image