TLD1121EL_15 Datasheet, PDF (14/31 Pages) Marl International Limited – Basic LED Driver

TLD1121EL
EN Pin
Electrical Characteristics Internal Supply / EN 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
5.4.6
Current consumption,
active mode in fault
I_S(fault,STG)
detection condition with ST-
pin connected to GND
Min.
Typ.
–
–
–
–
–
–
Max.
mA ²⁾ V_S = 18 V
T_j < 105 °C
R_SET = 12 kΩ
V_OUT = 18 V or 0 V
V_ST = 0 V
6.0
V_EN = 5.5 V
4.9
V_EN = 18 V
5.9
1) _{REN = 10 kΩ between}
VS and EN-pin
5.4.7 Power-on reset delay time ³⁾ t_POR
–
–
5.4.8
Required supply voltage for V_S(on)
output activation
5.4.9
Required supply voltage for V_S(CC)
current control
5.4.10
5.4.11
5.4.12
EN turn on threshold
EN turn off threshold
EN input current during low
supply voltage
V_EN(on)
V_EN(off)
I_EN(LS)
5.4.13 EN high input current
I_EN(H)
–
–
–
–
–
–
0.8
–
–
–
–
–
–
–
–
–
–
–
25
4
5.2
2.5
–
1.8
0.1
0.1
1.65
0.45
µs
1) _{VS = VEN = 0 → 13.5 V}
V_OUT(nom) = 3.6 ± 0.3V
I_OUT = 80% I_OUT(nom)
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
1) Not subject to production test, specified by design
2) The total device current consumption is the sum of the currents I_S and I_EN(H), please refer to Pos. 5.4.13
3) See also Figure 4
Data Sheet
14
Rev. 1.1, 2015-03-19