Datasheet

TLE 4268
Data Sheet 7 Rev. 1.5, 2007-03-20
Table 5 Characteristics
V
I
= 13.5 V; -40 °C ≤ T
j
≤ 125 °C (unless otherwise specified)
Parameter Symbol Limit Values Unit Test Condition
Min. Typ. Max.
Output voltage
V
Q
4.90 5.00 5.10 V 5 mA ≤ I
Q
≤ 150 mA;
6 V ≤
V
I
≤ 28 V
Output current limiting
I
Q
180 250 – mA –
Current consumption
I
q
= I
I
- I
Q
I
q
– 300 450 µA I
Q
= 0 mA
Current consumption
I
q
= I
I
- I
Q
I
q
– 1320mAI
Q
= 150 mA
Drop voltage
V
DR
– 0.25 0.50 V I
Q
= 150 mA
1)
Load regulation ∆V
Q,Lo
– 1030mVI
Q
= 5 to 150 mA
Line regulation ∆
V
Q,Li
– 1030mVV
I
= 6 to 28 V
I
Q
= 150 mA
Reset Generator
Reset threshold
V
Q,rt
4.2 4.5 4.8 V –
Reset adjust
threshold
V
RADJ
1.28 1.35 1.45 V –
Reset low voltage
V
RO,l
– 0.2 0.5 V 1 mA external
Saturation voltage
V
D
– 30 100 mV V
Q
< V
RT
Charging current I
D,c
51218µA V
D
= 1.0 V
Upper reset timing
threshold
V
DU
1.4 1.8 2.2 V –
Reset delay time
t
rd
10 15 25 ms C
D
= 100 nF
Reset reaction time
t
rr
–2–µs C
D
= 100 nF
Pull-up
R
RO
18 30 46 kΩ with resp. to V
Q
Lower reset timing
threshold
V
DRL
0.2 0.4 0.55 V –