TLE4270 Datasheet, PDF (7/19 Pages) Siemens Semiconductor Group – 5-V Low-Drop Fixed Voltage Regulator

TLE 4270
Characteristics (cont’d)
V_I = 13.5 V; – 40 °C ≤ T_j = ≤ 125 °C (unless otherwise specified)
Parameter
Symbol
Limit Values
Unit Test Condition
min. typ. max.
Load regulation
Supply voltage
regulation
Power supply
Ripple rejection
∆V_Q
–
∆V_Q
–
PSRR –
25
50
mV I_Q = 5 to 550 mA;
V_I = 6 V
12
25
mV V_I = 6 to 26 V
I_Q = 5 mA
54
–
dB f_r = 100 Hz;
V_r = 0.5 V_SS
Reset Generator
Switching threshold
Reset High voltage
Reset low voltage
V_RT
V_ROH
V_ROL
Reset low voltage V_ROL
Reset pull-up
R
Lower reset timing V_DRL
threshold
Charge current
I_d
Upper timing
V_DU
threshold
Delay time
t_d
Reset reaction time t_RR
4.5 4.65 4.8 V
–
4.5 –
–
V
–
–
60
–
mV R_intern = 30 kΩ²⁾;
1.0 V ≤ V_Q ≤ 4.5 V
–
200 400 mV I_R = 3 mA, V_Q = 4.4 V
18
30
46
kΩ internally connected
to Q
0.2 0.45 0.8 V
V_Q < V_RT
8
14
25
µA V_D = 1.0 V
1.4 1.8 2.3 V
–
–
13
–
ms C_D = 100 nF
–
–
3
µs C_D = 100 nF
Overvoltage Protection
Turn-Off voltage
V_{I, ov}
42
44
46
V
–
1) _{Drop voltage = VI – VQ (measured when the output voltage has dropped 100 mV from the nominal value}
obtained at 13.5 V input)
2) _{Reset peak is always lower than 1.0 V.}
Semiconductor Group
7
1998-11-01