Infineon TLD5542-1, User Manual, Page: 10 / 16

User Manual 10 of 17 Rev.1.12
2020-04-02
TLD5542-1 Multichannel evalboard V4.5
User Manual
7 Electrical characteristics
Table 2 TLD5542-1 multichannel evalboard V4.4 – electrical characteristics
Parameter Symbol
Value
Unit Note/Test Condition
Min Typ Max
Input Voltage
V
IN
(Normal)
V
IN
(Extended)
V
IN
(Survival)
9
6
-18
–
18
18
+40
V ˜
Out voltage V
OUT
3 – 50 V –
Output current
HB,LB average
I
OUT
(HB,LB)
250
250
–
–
1350
1200
mA
mA
scenario = LB/HB only POS = OFF
scenario = LB/HB + POS, POS duty cycle < 10%
CHA and CHB string voltage difference < 30 V
Output current
DRL
I
OUT
(DRL/POS) 250 – 1500 mA
Output Power
P
OUT
(LB,HB)
P
OUT
(DRL)
3 – 40 W
Limited by software power derating
Average Pout for
V
IN
down to 9V
Switching
frequency Switching
frequency
– 384 – kHz Spread Spectrum deviation is present
PWM frequency PWM
freq
200 – – Hz –
System efficiency Eff – 93 – %
Board efficiency, including μ C:
LB 5 LED 1200 mA,
HB 4 LED 960 mA ,
POS 10 LED 400 mA @7%
V
IN
= 13.5 V
P
IN
= 34.7 W
P
OUT
(LB+HB+DRL)= 32.4 W