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Design Example
DESIGN #1 - BUCK-BOOST Application
300857i1
SPECIFICATIONS
N = 6
V
LED
= 3.5V
r
LED
= 325 m
Ω
V
IN
= 24V
V
IN-MIN
= 10V
V
IN-MAX
= 70V
f
SW
= 500 kHz
V
SNS
= 100 mV
I
LED
= 1A
Δ
i
L-PP
= 700 mA
Δ
i
LED-PP
= 12 mA
Δ
v
IN-PP
= 100 mV
I
LIM
= 6A
V
TURN-ON
= 10V
V
HYS
= 3V
V
TURN-OFF
= 40V
V
HYSO
= 10V
T
BK
= 70°C
T
END
= 120°C
t
TSU
= 30 ms
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