Datasheet

Datasheet 6 Rev. 1.0, 2007-03-20
TLE4309
Table 5 Electrical Characteristics
V
I
= 13.5 V; V
PWM
≥ V
PWM,H
; -25 °C < T
j
< 125 °C;
all voltages with respect to ground; unless otherwise specified
Parameter Symbol Limit Values Unit Test Condition
Min. Typ. Max.
Output
Output current
I
Q
171 178 185 mA (V
Q
-V
REF
)
1)
= 6.6 V;
R
REF
= 1.0 Ω
438 456 474 mA (
V
Q
-V
REF
)
1)
= 6.6 V;
R
REF
= 0.39 Ω
Output current limit
I
Qmax
–600–mAR
REF
= 0 Ω
Dropout voltage
V
dr
– 0.35 0.7 V I
Q
= 300 mA
Reference
Reference Voltage
V
REF
172 178 184 mV 0.39 < R
REF
< 1.0 Ω
T
j
= 25 °C
Reference Voltage
V
REF
171 178 185 mV 0.39 < R
REF
< 1.0 Ω
Reference Input
Current
I
REF
-1 0.1 1 µA V
REF
= 180 mV
Current Consumption
Current consumption
off mode
I
q,OFF
–0.12µAPWM/EN = L,
T
j
< 85 °C
Current consumption
I
q
– 1222mAV
Q
=6.6V; R
REF
=0.47Ω
PWM / ENABLE
PWM high level valid
V
PWM,H
2.6––V–
PWM low level valid
V
PWM,L
––0.7V–
PWM input current
high level
I
PWM,H
–220500µAV
PWM
= 5.0 V
PWM input current
low level
I
PWM,L
-1–1µAV
PWM
= 0.0 V
Turn on delay time
t
PWM,ON
0 1540µs70% of I
Qnom
Turn off delay time t
PWM,OFF
0 1540µs30% of I
Qnom
1) (V
Q
- V
REF
) equals the forward voltage sum of the connected LEDs, see figure 1.