TLD5098EL Datasheet, PDF (18/39 Pages) Infineon Technologies AG – DC/DC Boost, Buck-Boost, SEPIC controller

TLD5098EL
Enable and Dimming Function
Table 3 EC Enable and Dimming
V_IN = 8V to 34V; T_j = -40 ⋅C to +150 ⋅C, all voltages with respect to ground, positive current flowing into pin; (unless
otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ. Max.
7.2.4 Enable/PWMI
High Input Current
I_EN/PWMI,H
–
–
30
µA
V_EN/PWMI = 16.0V
7.2.5 Enable/PWMI
Low Input Current
I_EN/PWMI,L
–
0.1
1
µA
V_EN/PWMI = 0.5V
7.2.6 Enable Turn Off
Delay Time
t_EN,OFF,DEL
8
10
12
ms –
7.2.7 PWMI Min Duty Time
t_PWMI,H
4
–
–
µs –
7.2.8 Enable Startup Time
t_EN,START
100
–
–
µs
1)
Gate Driver for Dimming Switch:
7.2.9 PWMO Gate Driver Peak I_PWMO,SRC –
Sourcing Current
230
–
mA
1) _{VPWMO = 1V to 4V}
7.2.10 PWMO Gate Driver Peak I_PWMO,SNK –
Sinking Current
370
–
mA
1) _{VPWMO = 4V to 1V}
7.2.11
7.2.12
7.2.13
PWMO Gate Driver
Output Rise Time
PWMO Gate Driver
Output Fall Time
PWMO Gate Driver
Output Voltage
t_R,PWMO
t_F,PWMO
V_PWMO
–
50
–
30
4.5
–
100
ns
1) _{CL,PWMO = 3.3nF;}
V_PWMO = 1V to 4V
60
ns
1) _{CL,PWMO = 3.3nF;}
V_PWMO = 4V to 1V
5.5
V
1) _{CL,PWMO = 3.3nF;}
Current Consumption
7.2.14 Current Consumption,
I_{q_OFF}
–
–
10
µA
Shutdown Mode
7.2.15 Current Consumption,
Active Mode²⁾
I_{q_ON}
–
–
7
mA
1) Not subject to production test, specified by design
2) Dependency on switching frequency and gate charge of boost and dimming switch.
V_EN/PWMI = 0.8 V;
T_j ≤ 105C; V_IN = 16V
V_EN/PWMI ≥ 4.75V;
I_BO = 0mA;
V_SWO = 0% Duty Cycle
Datasheet
18
Rev. 1.0, 2010-10-13