Datasheet

ILD4035
350 mA Step Down LED Driver
Electrical Characteristics
Data Sheet 14 Revision 2.0, 2011-08-17
5 Electrical Characteristics
5.1 DC Characteristics
All parameters at T
A
= 25 °C, unless otherwise specified.
V
S
= 12 V, 3 LEDs, R
sense
= 303 mΩ (I
LED
= 375 mA), L = 100 μH, V
EN
= 3 V, V
fLED
= 3 V
Table 4 DC Characteristics
Parameter Symbol Values Unit Note / Test Condition
Min. Typ. Max.
Supply voltage
V
S
4.5 – 40 V
Overall current consumption open
load
I
S open load
1.4 2.3 3.1 mA V
S
=4.5V
I
LED
=0mA
Overall current consumption open
load
I
S open load
1.5 2.4 3.2 mA V
S
=12V
I
LED
=0mA
Overall current consumption open
load
I
S open load
1.8 3.0 3.9 mA V
S
=40V
I
LED
=0mA
Overall standby current consumption
I
S standby
––1µAV
EN
=0V; V
S
=12V
Overall standby current consumption
I
S standby
––5μA V
EN
=0V; V
S
=40V
Enable voltage for standby mode
V
EN
-0.3 – 0.4 V
Enable voltage for analog dimming
V
EN
1 – 2 V linear dimming range
Input current of multifunctional control
pin
I
EN
– 50 140 μA V
EN
=3V
V
S
=4.5..40V
Current of sense input
I
sense
–20–μA at any LED current
Over temperature protection
T
S,TSD
–113–°CT
S
for 10 % I
LED
reduction, defined by
T
J