Datasheet

Data Sheet 8 Rev. 1.02, 2012-08-24
IFX25401
Electrical Characteristics
4 Electrical Characteristics
4.1 Electrical Characteristics Voltage Regulator
Electrical Characteristics
V
I
=13.5 V; T
j
= -40 °C to 125 °C; all voltages with respect to ground (unless otherwise specified)
Pos. Parameter Symbol Limit Values Unit Measuring Condition
Min. Typ. Max.
Output Q
4.1.1 Output Voltage Accuracy
1)
Δ V
Q
-2 – 2 % IFX25401TBV,
IFX25401TEV
R
2
< 50 kΩ;
V
Q
+ 1 V ≤ V
I
≤ 40V;
V
I
> 4.5 V;
5 mA ≤ I
Q
≤ 400 mA
4.1.2 Output Voltage
V
Q
4.9 5.0 5.1 V IFX25401TBV50
IFX25401TEV50
6 V ≤ V
I
≤ 28 V;
5 mA ≤ I
Q
≤ 400 mA
4.1.3 Output Voltage Adjustable Range
3)
V
Q,range
2.5 – 20 V IFX25401TBV,
IFX25401TEV;
Refer to Page 13
4.1.4 Dropout Voltage
V
dr
–250500mVI
Q
= 250 mA
V
I
> 4.5 V;
V
dr
= V
I
– V
Q
2)
4.1.5 Load Regulation
ΔV
Q, lo
–535mVI
Q
= 5 mA to 400 mA
V
I
= 4.5 V
4.1.6 Line Regulation
ΔV
Q, li
– 1525mVV
l
= 12 V to 32 V
I
Q
= 5 mA
4.1.7 Output Current Limitation
I
Q
400 600 1100 mA
2)
4.1.8 Power Supply Ripple Rejection
3)
PSRR
–54–dBf
r
= 100 Hz; V
r
= 0.5 Vpp
4.1.9 Temperature Output Voltage Drift
3)
–0.5–mV/K–
dV
Q
dT
-----------