TLD5097EL_15 Datasheet, PDF (18/41 Pages) Infineon Technologies AG – Multitopology LITIX Power DC/DC Controller IC

Infineon® LITIX™ Power
TLD5097EL
Enable and Dimming Function
V_EN/PWMI
VEN/PWMI,ON
VEN/PWMI,OFF
V_IVCC
VIVCC,ON
tEN,START
V_ST
TPWMI
tPWMI,H
tEN,OFF,DEL
t
VIVCC,RTH
t
V_SWO
TFREQ =
1
fFREQ
t
t
Power ON
Normal
SWO ON
ST ON
Dim
ST OFF
SWO OFF
Normal
SWO ON
ST ON
Dim
ST OFF
SWO OFF
Figure 7-2 Timing Diagram Enable and LED Dimming
Note: The ST signal is LOW during soft-start.
Normal
SWO ON
ST ON
Power OFF Delay Time
Power OFF
Iq_OFF
7.1
Electrical Characteristics
VIN = 8V to 34V; T_j = -40°C to +150°C, all voltages with respect to ground, positive current flowing into pin;
(unless otherwise specified)
Table 7-1 Electrical Characteristics: Enable and Dimming
Parameter
Symbol
Values
Min.
Typ. Max.
Enable / PWM Input
Enable/PWMI
V_EN/PWMI,ON 3.0
–
Turn On Threshold
Enable/PWMI
Turn Off Threshold
V_EN/PWMI,OFF –
–
0.8
Enable/PWMI
Hysteresis
V_EN/PWMI,HYS 50
200
400
Enable/PWMI
I_EN/PWMI,H
–
High Input Current
–
30
Enable/PWMI
Low Input Current
I_EN/PWMI,L
–
0.1
1
Unit Note or
Test Condition
Number
V
P_7.1.1
V
mV ¹⁾
P_7.1.2
P_7.1.3
µA
V_EN/PWMI = 16.0 V P_7.1.4
µA
V_EN/PWMI = 0.5 V
P_7.1.5
Data Sheet
18
Revision 1.0
2015-03-12