ILD4001E6327 Datasheet, PDF (9/11 Pages) Infineon Technologies AG – Step down - LED controller IC for external power stages

ILD4001
Step down - LED controller IC for external power stages
Electrical Characteristics
3.3
Digital Signals
All parameters have been measured at 25 °C, unless otherwise specified
Table 6 Digital Control Parameter (EN)
Parameter
Symbol
Min.
Multifunctional control pin voltage U_Pon
-0.3
range
Control voltage for power on
U_On
2
Control voltage for power off
U_Off
-0.3
Control voltage for analog
dimming
U_dim
1
PWM signal frequency
f_PWM
PWM Duty cycle
t_dutyPWM
5
PWM voltage
U_PWM
Values
Typ.
Max.
40
2.2
40
0.6
2
1000
40
Unit Note /
Test Condition
V
V
full LED current
V
V
linear dimming
Hz
t_dutycycle = 1%;
signal level
reaches 100% in
on and off mode
%
f = 5 KHz; signal
level reaches
100% in on and off
mode
V
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 7 Digital Control Parameter (EN)
Parameter
Symbol
Values
Min.
Typ.
Response Time
T_ON
10
Max.
T_OFF
10
Unit Note / Test Condition
µs
EN: 0 -> 5 V @ t_rise < 20ns
I_Out = 10mA
µs
EN: 5 V -> 0 @ t_fall < 20 ns
I_Out = 10mA
Target Datasheet
9
Rev. 1.0, 2009-07-06