LM3424BSTEVAL National Semiconductor, LM3424BSTEVAL Datasheet - Page 9

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

R
REF1
R
GAIN
Ideal Thermal Foldback - Varied Slope
= R
= 10 kΩ; V
REF2
I
TF
vs. Junction Temperature
= 49.9 kΩ; R
TSENSE
NTC-BK
= 0.5V; V
= R
TREF
BIAS
= 1.5V
= 43.2 kΩ
30085702
300857k4
9
Ideal Thermal Foldback - Varied Breakpoint
R
REF1
= R
REF2
= 49.9 kΩ; R
f
SW
vs. R
T
GAIN
= 10 kΩ
30085705
300857k5
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