TLD1125EL Datasheet, PDF (17/36 Pages) Infineon Technologies AG – 1 Channel High Side Current Source Basic LED Driver

TLD1125EL
PWMI Pin
Electrical Characteristics Internal Supply / EN / PWMI pin (cont’d)
Unless otherwise specified: V_S = 5.5 V to 40 V, T_j = -40 °C to +150 °C, R_SET = 12 kΩ all voltages with respect to
ground, positive current flowing into pin for input pins (I), positive currents flowing out of the I/O and output pins
(O) (unless otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ.
Max.
6.3.9 Required supply voltage for V_S(on)
–
–
output activation
6.3.10 Required supply voltage for V_S(CC)
–
–
current control
6.3.11
6.3.12
6.3.13
EN turn on threshold
EN turn off threshold
EN input current during low
supply voltage
V_EN(on)
V_EN(off)
I_EN(LS)
–
–
0.8
–
–
–
6.3.14 EN high input current
I_EN(H)
–
–
–
–
–
–
–
–
6.3.15
6.3.16
PWMI (active low)
Switching low threshold
(output on)
PWMI(active low)
Switching high threshold
(output off)
V_PWMI(L)
V_PWMI(H)
1.5
2.45
1.85
2.85
4
5.2
2.5
–
1.8
0.1
0.1
1.65
0.45
2.3
V
V_EN = 5.5 V
V_OUT = 3 V
I_OUT = 50% I_OUT(nom)
V
V_EN = 5.5 V
V_OUT = 3.6 V
I_OUT ≥ 90% I_OUT(nom)
V–
V–
mA ¹⁾ V_S = 4.5 V
T_j < 105 °C
V_EN = 5.5 V
mA T_j < 105 °C
V_S = 13.5 V, V_EN = 5.5 V
V_S = 18 V, V_EN = 5.5 V
V_S = V_EN = 18 V
1) _{VS = 18 V, REN = 10 kΩ}
between VS and EN-pin
V
1)4)_{VS = 8...18 V}
3.2
V
1)4)5) _{VS = 8...18 V}
6.3.17 PWMI
Switching threshold
ΔV_PWMI
0.75 1
1.10 V
1)4)5) _{VS = 8...18 V}
6.3.18
difference V_PWMI(H) - V_PWMI(L)
PWMI (active low)
Low input current with
I_PWMI(on)
active channels (voltage
<V_PWMI(L))
I_{IN_SET} I_{IN_SET} *4 I_{IN_SET} µA
*3.1
*4.9
1) _{Tj = 25...115 °C}
I_{IN_SET} = 100 µA
V_PWMI= 1.7 V
V_EN = 5.5 V
V_S = 8...18 V
6.3.19 PWMI(active low)
High input current
I_PWMI(off)
-5
–
1) Not subject to production test, specified by design
5
µA V_PWMI= 5 V
V_EN = 5.5 V
V_S = 8...18 V
2) The total device current consumption is the sum of the currents I_S and I_EN(H), please refer to Pos. 6.3.14
3) See also Figure 4
4) Parameter valid if an external PWM signal is applied
5) If TTL level compatibility is required, use µC open drain output with pull up resistor
Data Sheet
17
Rev. 1.0, 2013-08-08