Low Power-Loss Voltage Regulators
PQ30RV1/PQ30RV11/PQ30RV2/PQ30RV21
Fig.9 Output Voltage vs. Input Voltage
(PQ30RV1/PQ30RV11)
15
Fig.10 Output Voltage vs. Input Voltage
(PQ30RV2/PQ30RV21)
15
R1=390Ω,R2=2.7kΩ,Tj=25˚C
R1
=390Ω,R =2.7kΩ,Tj=25˚C
2
10
10
R
L
=∞
R
L=∞
5
0
5
0
RL
=10Ω
RL=5Ω
0
5
10
15
20
0
5
10
15
20
Input voltage VIN (V)
Input voltage VIN (V)
Fig.12 Dropout Voltage vs. Junction
Temperature (PQ30RV2/PQ30RV21)
Fig.11 Dropout Voltage vs. Junction
Temperature (PQ30RV1/PQ30RV11)
0.5
0.4
0.3
0.2
0.1
0
0.5
0.4
0.3
0.2
0.1
0
R
1
=390Ω,R =2.7kΩ
2
R
1
=390Ω,R =2.7kΩ
2
V
IN:input voltage shall be the
V
IN:input voltage shall be the
value when output voltage is
95% in comparison with the initial value
value when output voltage is
95% in comparison with the initial value
IO=2A
Io=1A
0.75A
1.5A
1A
0.5A
0.25A
0.5A
-20
0
25
50
75
100
(˚C)
125
-20
0
25
50
75
100
125
Junction temperature T
j
Junction temperature Tj (˚C)
Fig.14 Ripple Rejection vs. Input Ripple
Fig.13 Quiescent Current vs. Junction
Frequency (PQ30RV1/PQ30RV11)
Temperature
5
80
VIN=35V
70
IO
=0
Cref=3.3µF
4
3
2
1
0
60
50
40
30
20
No Cref
T
j
=25˚C
=390Ω,R
=0.5A,e
IN=15V
R
1
2
=2.7kΩ
10
0
I
O
i
=0.5Vrms
,
V
-20
0
25
50
75
100 125
j (˚C)
0.1
1
10
100
Input ripple frequency f (kHz)
Junction temperature T
SHARP [ SHARP ELECTRIONIC COMPONENTS ]
