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August 2013

DocID025084 Rev 1

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STEVAL-ISA130V1

12 V 140 mA 30 kHz non-isolated buck topology regulator based on

VIPer06XN

Data brief

Features

 800 V avalanche-rugged power section

 PWM operation current mode controller

 Limiting current with adjustable set point

 Fixed frequency with jitter for EMI improvement

 Operating frequency: 30 kHz

 Input voltage range: 85 V to 265 V AC or 100 V

to 375 V DC

 Low power application without auxiliary

winding

 No load consumption below 30 mW @ 265 V

ac

 On-board soft-start

 Auto-restart after a fault condition

 Feedback disconnection protection

 Hysteretic thermal shutdown

 RoHS compliant

Description

The STEVAL-ISA130V1 demonstration board

implements a non-isolated buck topology

regulator using the VIPer06, which supplies a 12

V output at up to 140 mA with an operating

frequency of 30 kHz.

The output voltage of this power supply can be

easily set by changing the value of one resistor.

The circuit can be powered by either 85 V to

265 V AC or 100 V to 375 V DC.

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