STEVAL-ISA041V1 Datasheet, PDF (1/4 Pages) STMicroelectronics – Meets EN60065 safety standards

STEVAL-ISA041V1
125 W SMPS based on the STP12IE95F4 ESBT switch
with L6565 PWM controller
Features
■ Input voltage range: 240 - 400 VDC
■ Output voltage: 19 V - 6.6 A
■ Maximum output power: 125 W
t(s) ■ Short-circuit protection based on auto-restart
feature
uc ■ Minimum switching frequency: 55 kHz
d _{■ Converter efficiency: >85%}
ro _{■ Meets EN60065 safety standards}
te ^P PCB type and size
le _{■ PCB grade: FR-4}
so _{■ Single-side layout}
b _{■ Copper thickness: 35 µm}
) ^{- O} _Description
t(s _{This demonstration board is a 125 W adapter}
c _{using ESBT switch STP12IE95F4, the L6565}
du quasi-resonant PWM controller and the STSR30
ro ^{smart driver IC for flyback synchronous}
rectification.
te ^{P The main target of this design is to offer a high}
le ^{power, cost-effective flyback converter for}
notebook computer power supply with good
so efficiency. This is achieved by using a quasi-
b_{resonant PWM driver, synchronous rectification}
Oand constant current driving of the ESBT switch.
STEVAL-ISA041V1
The 240-400 VDC input range of the converter is
also tailored for PFC input use (not implemented
on the board). It is possible to use various PFC
conceptions based on other ST solutions.
April 2010
Doc ID 17405 Rev 1
1/4
www.st.com
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