LM3433SQ National Semiconductor, LM3433SQ Datasheet - Page 7

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LM3433SQ

Manufacturer Part Number
LM3433SQ
Description
Common Anode Capable High Brightness LED Driver with High Frequency Dimming
Manufacturer
National Semiconductor
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM3433SQ-36AEV/NOPB
Manufacturer:
National Semiconductor
Quantity:
135
I
Top trace: EN input, 2V/div, DC
Middle trace: V
Bottom trace: I
T = 100µs/div
I
Top trace: DIM input, 2V/div, DC
Bottom trace: I
T = 10µs/div
LED
LED
30kHz PWM Dimming Waveform Showing Inductor Ripple
= 6A nominal, V
= 6A nominal, V
LED
LED
EE
input current, 2A/div, DC
, 2A/div, DC
, 2A/div, DC
IN
IN
= 3.3V, V
= 3.3V, V
V
SENSE
Startup Waveform
(ADJ = 1.0V)
EE
EE
vs. Temperature
Current
= -12V, V
= -12V
LED
= 3V, SS = open
30031567
30031566
30031525
7
I
Top trace: EN input, 2V/div, DC
Middle trace: V
Bottom trace: I
T = 100µs/div
LED
= 6A nominal, V
Average LED Current vs. DIM Duty Cycle
LED
EE
(30kHz dimming, I
input current, 2A/div, DC
, 2A/div, DC
IN
= 3.3V, V
Shutdown Waveform
EE
= -12V, V
LED
LED
= 6A nominal)
= 3V, SS = open
30031568
30031520
www.national.com

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