Datasheet

ILD4001
Step down - LED controller IC for external power stages
Electrical Characteristics
Target Datasheet 9 Rev. 1.0, 2009-07-06
3.3 Digital Signals
All parameters have been measured at 25 °C, unless otherwise specified
3.4 Transient Parameters
4.5 V < V
S
< 40 V; - 40 °C < T
J
< 150 °C, all voltages with respect to ground; positive; current flowing into pin;
unless otherwise specified
All parameters have been measured at 25 °C, unless otherwise specified
Table 6 Digital Control Parameter (EN)
Parameter Symbol Values Unit Note /
Test
Condition
Min. Typ. Max.
Multifunctional control pin voltage
range
U
Pon
-0.3 40 V
Control voltage for power on U
On
2 2.2 40 V full LED current
Control voltage for power off U
Off
-0.3 0.6 V
Control voltage for analog
dimming
U
dim
1 2 V linear dimming
PWM signal frequency f
PWM
1000 Hz t
dutycycle
= 1%;
signal level
reaches 100% in
on and off mode
PWM Duty cycle t
dutyPWM
5 % f = 5 KHz; signal
level reaches
100% in on and off
mode
PWM voltage U
PWM
40 V
Table 7 Digital Control Parameter (EN)
Parameter Symbol Values Unit Note / Test Condition
Min. Typ. Max.
Response Time T
ON
10 µs EN: 0 -> 5 V @ t
rise
< 20ns
I
Out
= 10mA
T
OFF
10 µs EN: 5 V -> 0 @ t
fall
< 20 ns
I
Out
= 10mA