ILD 4035 E6327 Infineon Technologies, ILD 4035 E6327 Datasheet - Page 15

• Manufacturer Part Number: ILD 4035 E6327
• Description: LED Drivers LED DRIVER
• Manufacturer: Infineon Technologies

Specifications of ILD 4035 E6327

• Low Level Output Current: 350 mA
• High Level Output Current: 500 mA
• Operating Supply Voltage: 4.5 V to 42 V
• Maximum Power Dissipation: 1000 mW
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Package / Case: SC-74-6
• Minimum Operating Temperature: - 65 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ILD4035E6327XT

Figure 5
Table 7
Analog voltage dimming characteristics with different Rsense resistors
The maximum LED current is set by
Maximum LED current will be achieved at approx. 2.3 Volts in every case.
L= 100 μH
Figure 6
V
< 0.3
0.8
1.0
1.4
Data Sheet
en / PWM
0.35
0.25
0.15
0.05
ILD4035; Analog Voltage Dimming
Percentage of Max. LED Current vs. DC Voltage at Pin 3
ILD4035; Analog Voltage Dimming with Different Rsense
0.4
0.3
0.2
0.1
0
0
Percentage of max. LED current %
0
10
25
50
0.400
0.350
0.300
0.250
0.200
0.150
0.100
0.050
0.000
0.5
0.5
1
R
sense
I
LED
. The three different graphs show the behaviour of the analog dimming.
Analog Dim m ing vs LED Current
vs V
1.5
1
Vs=12V; 3 LEDs in series
PWM
V
in dependency of Rsense
PWM
Enable Voltage (V)
L = 100uH
(V)
15
2
V
1.9
2.2
> 2.5
1.5
en / PWM
2.5
ILD4035 _Analog Dimming _vs_ Rsense.vsd
2
Percentage of max. LED current %
75
90
100
3
Basic Application Information
Revision 1.0, 2010-11-11
2.5
Rsense=333m
Rsense=600m
Rsense=1200m
TA=25°C
350 mA LED Driver
ILD4035
3