TLE4279 Datasheet, PDF (10/19 Pages) Siemens Semiconductor Group – 5-V Low-Drop Fixed Voltage Regulator

TLE 4279
Characteristics (cont’d)
V_I = 13.5 V; T_j = – 40 °C < T_j < 125 °C
Parameter
Symbol
Limit Values Unit
min. typ. max.
Measuring
Condition
Delay time L → H
t_d
17 28 –
ms C_D = 100 nF
Delay time H → L
t_t
–1
–
µs C_D = 100 nF
Switching voltage
V_re
1.26 1.35 1.44 V
V_Q > 3.5 V
Input Voltage Sense
Sense threshold high
Sence threshold low
Sense output
low voltage
V_{si, high}
V_{si, high}
V_SO,low
Sense input current
I_SI
1.24 1.31 1.38 V
1.16 1.20 1.28 V
– 0.1 0.4 V
– 1 0.1 1
µA
–
–
V_SI < 1.20 V;
V_I > 3 V
R_extern = 20 kΩ
–
Semiconductor Group
10
1998-11-01