Datasheet

IFX27001
Electrical Characteristics
Data Sheet 7 Rev. 1.01, 2009-10-19
5 Electrical Characteristics
5.1 Electrical Characteristics Voltage Regulator
Table 3 Electrical Characteristics IFX27001TFV DV (adjustable output voltage)
-40 °C<
T
j
<125°C; V
I
- V
Q
= 13.5 V, I
Q
= 10 mA; unless otherwise specified
Parameter Symbol Limit Values Unit Measuring Conditions
min. typ. max.
Reference voltage
V
REF
1)
1) V
REF
= V
Q
– V
ADJ
1.20 1.25 1.30 V –
Line regulation Δ
V
Q
– 0.5 1.50 %
2)
2) Related to V
Q,
measured at constant junction Temperature
3 V ≤ (V
I
– V
Q
) ≤ 40 V
Load regulation Δ
V
Q
–0.20.4%
2)
10 mA ≤ I
Q
≤ 800 mA;
4)
V
I
= 3.0 V; V
Q
= V
REF
– 0.25 0.5 %
2)
10 mA ≤ I
Q
≤ 1.0 A;
4)
V
I
= 3.0 V; V
Q
= V
REF
Dropout voltage V
DR
– 1.00 1.20 V I
Q
=100 mA
3)
3) Dropout voltage measured when the output voltage has dropped 100 mV from the nominal value
obtained at V
Q
=V
REF
.
– 1.05 1.30 V I
Q
=500 mA
3)
– 1.10 1.35 V I
Q
=800 mA
3)
– 1.30 1.40 V I
Q
=1.0A
3)
Current consumption
I
q
= I
I
– I
Q
I
q
– 100 120 μA I
Q
=10mA;
Adjust current
I
ADJ
–75120μA I
Q
=10mA
Adjust current change Δ
I
ADJ
–2 5μA I
Q
=10mA
3 V ≤ (
V
I
– V
Q
) ≤ 40 V
4)
4) Constant Junction Temperature
–2 5μA10 mA ≤ I
Q
≤ 200 mA;
V
I
- V
Q
= 3 V
4)
Temperature stability – – 0.6 – %
5)
5) Not subject to production test - specified by design.
Minimum load current
6)
6) Minimum Output Current to maintain regulation
I
Q
–1 5mAV
I
< 40 V;
V
Q
= V
REF
Current limit I
Qmax
1000 – 2200 mA 1.4V < V
I
- V
Q
< 18V;
V
Q
= V
nom
-100 mV
50 200 – mA
V
I
= 40 V;
V
Q
= V
nom
-100 mV
T
j
= 25 °C
RMS Output Noise – – 30 – ppm ppm of
V
Q
; T
j
= 25 °C;
10 Hz ≤
f ≤ 10kHz
5)
Power Supply Ripple Rejection PSRR –65–dBV
Q
= 10 V, f
r
= 120 Hz,
V
r
=0.5V
PP
, C
ADJ
= 0 μF
5)
–65–dBV
Q
= 10 V, f
r
= 120 Hz,
V
r
=0.5V
PP
, C
ADJ
= 10 μF
5)