LM3424BSTEVAL National Semiconductor, LM3424BSTEVAL Datasheet - Page 30

• Manufacturer Part Number: LM3424BSTEVAL
• Description: LM3424 Constant Current N-Channel Controller with Thermal Foldback for Driving LEDs; Qty per Container: 1/
• Manufacturer: National Semiconductor

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