TLE4242G Datasheet, PDF (9/13 Pages) Infineon Technologies AG – Adjustable LED Driver

TLE 4242 G
Table 4
Electrical Characteristics (cont’d)
V_I = 13.5 V; R_REF = 0.47 Ω; V_PWM ≥ V_PWM,H; -40 °C < T_j < 150 °C; all voltages with respect
to ground; positive current defined flowing into pin; unless otherwise specified
Parameter
Symbol Limit Values Unit Test Condition
Min. Typ. Max.
Reference
Reference Voltage
Reference Input
Current
V_REF
I_REF
168 177 185 mV 0.39 < R_REF < 1.0 Ω
-1 0.1 1
µA V_REF = 180 mV
Status Output
Lower status
V_IQL
switching threshold
15 25 –
mV ST = L
Upper status
V_IQH
–
switching threshold
30 40 mV ST = H
Status low voltage V_STL
–
–
0.4 V I_ST = 1.5 mA
Leakage current
I_STLK
–
–
5
µA V_ST = 5.0 V
Status Delay
Status reaction delay t_STHL 6
10 14 ms C_D = 47 nF, ST H → L
Status release delay t_STLH –
10 20 µs C_D = 47 nF, ST L → H
1) V_Q - V_REF equals the forward voltage sum of the connected LEDs, see Figure 3.
Data Sheet
9
Rev. 1.0, 2004-01-01