PQ070XZ5MZxH/PQ070XZ01ZxH
Fig.3 Power Dissipation vs. Ambient
Temperature
10
Fig.4 Overcurrent Protection Characteristics
(PQ070XZ01ZxH)
3
Output voltage V
O
(V)
Power dissipation P
D
(W)
8
P
D
:
With infinite heat sink
2.5
2
1.5
1
0.5
V
O
=3V
V
IN
=4.5V
V
IN
=5V
V
IN
=5.5V
V
IN
=7V
V
IN
=10V
5
0
-40 -20
0
0
20 40 60 80 100 120 140 150
0
Ambient temperature Ta (°C)
0.5
1
1.5
Output current I
O
(A)
2
Note) Oblique line portion:Overheat protection may operate in this area.
Fig.5 Overcurrent Protection Characteristics
(PQ070XZ5MZxH)
3
Reference voltage V
ref
(V)
Fig.6 Reference Voltage vs.
Ambient
Temperature
1.26
1.255
1.25
1.245
1.24
1.235
1.23
－50 －25
PQ070XZ01ZxH
:I
O
=0.5A
V
IN
=4V
V
C
=2.7V
R
1
=1k
Ω
R
2
=1.4k
Ω
PQ070XZ5MZxH
:I
O
=0.3A
2.5
Output voltage V
O
(V)
V
IN
=10V
2
1.5
V
IN
=5V
1
0.5
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2
Output current I
O
(A)
V
IN
=7V
V
IN
=4.5V
V
IN
=5.5V
V
O
=3V
0
25
50
75
100 125
Ambient temperature Ta (°C)
Fig.7 Output Voltage vs. Input Voltage
(PQ070XZ5MZxH)
3.5
Output voltage V
O
(V)
Fig.8 Output Voltage vs. Input Voltage
(PQ070XZ01ZxH)
3.5
Output voltage V
O
(V)
3
2.5
2
1.5
1
0.5
0
0
R
L
=
∞Ω
(I
O
=0A)
3
2.5
2
R
L
=
∞Ω
(I
O
=0.3A)
1.5
1
0.5
V
C
=2.7V
T
a
=Room temp.
R
1
=1k
Ω
R
2
=1.4k
Ω
(V
O
=3V)
C
IN
=0.33μF
C
O
=47μF
0
1
2
3
4
Input voltage V
IN
(V)
5
R
L
=3
Ω
(I
O
=1A)
R
L
=6
Ω
(I
O
=0.5A)
R
L
=6
Ω
I
O
=0.5A)
R
L
=10
Ω
(I
O
=0.3A)
V
C
=2.7V
T
a
=Room temp.
R
1
=1k
Ω
R
2
=1.4k
Ω
(V
O
=3V)
C
IN
=0.33μF
C
O
=47μF
1
2
3
4
Input voltage V
IN
(V)
5
Sheet No.: OP06019
3
SHARP [ SHARP ELECTRIONIC COMPONENTS ]
