PQ05RF21 SHARP [Sharp Electrionic Components], PQ05RF21 Datasheet - Page 6

• Manufacturer Part Number: PQ05RF21
• Description: 2A Output, Low Power-Loss Voltage Regulators
• Manufacturer: SHARP [Sharp Electrionic Components]

Low Power-Loss Voltage Regulators
Fig.19 Circuit Operating Current vs. Input Voltage
Fig.21 Dropout Voltage vs. Junction
Fig.23 Ripple Rejection vs. Input Ripple Frequency
0.5
0.4
0.3
0.2
0.1
80
60
40
20
80
70
60
50
40
30
20
10
0
0
0
-25
0.1
0
R
Io=0.5A,e
V
V
V
V
(PQ12RF2/PQ12RF21/PQ12RF2V)
Temperature
PQ12RF21/PQ15RF2/PQ15RF21)
(PQ05RF2/PQ05RF21/PQ09RF2/PQ09RF21/PQ12RF2/
L
IN
IN
IN
IN
=12
=7V(PQ05RF2/PQ05RF21)
=15V(PQ09RF2/PQ09RF21)
=18V(PQ12RF2/PQ12RF21)
=23V(PQ15RF2/PQ15RF21)
R
Input ripple frequency f (kHz)
Junction temperature T
0
L
=
5
R
Input voltage V
i
L
=0.5V
25
=6
1
10
rms
I
O
50
=2A
15
R
1.5A
IN
75
10
0.5A
L
=
(V)
1A
j
R
R
20
(˚C)
100
L
L
=6
=12
125
100
25
PQ05RF2/PQ05RF21/PQ05RF2V Series
Fig.20 Circuit Operating Current vs. Input Voltage
Fig.22 Quiescent Current vs. Junction
Fig.24 Ripple Rejection vs. Input Ripple Frequency
80
60
40
20
10
80
70
60
50
40
30
20
10
0
8
6
4
2
0
0
-25
0.1
0
R
Io=0.5A,,e
C
V
V
V
V
(PQ15RF2/PQ15RF21/PQ15RF2V)
Temperature
(PQ05RF2V/PQ09RF2V/PQ12RF2V/PQ15RF2V)
V
I
L
O
ref
IN
IN
IN
IN
IN
=15
=0
=7V(PQ05RF2V)
=15V(PQ09RF2V)
=18V(PQ12RF2V)
=23V(PQ15RF2V)
Input ripple frequency f (kHz)
=3.3 F
=35V
R
Junction temperature T
5
0
L
=
R
Input voltage V
L
i
=0.5V
=7.5
25
10
1
rms
15
50
R
IN
10
20
75
L
(V)
=
R
j
R
(˚C)
L
100
L
25
=7.5
=15
125
100
30