
3
Sheet No.: OP06063
Temperature
500
Fig.3 Power Dissipation vs. Ambient
PQ1KAxx3MZPH Series
Output current I
O
(A)
R
Fig.4
Overcurrent Protection Characteristics
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
8
9
10
R
L
=11
Ω
R
L
=22
Ω
R
L
=
∞Ω
Input voltage V
IN
(V)
C
B
Fig.6
Circuit Operating Current vs. Input Voltage
(Typical Value)
(
PQ1KA333MZPH
)
Ta=25°C
C
=C
=1
(Ceramic capacitor)
C
=0.01
(Ceramic capacitor)
-40 -25
100
200
300
400
0
25
50
85
75
125
100
150
P
D
Ambient temperature Ta (°C)
Note)
Oblique line portion:Overheat protection may operate in this area.
0
1
2
3
4
5
6
7
0
1
2
3
4
R
L
=110
Ω
R
L
=22
Ω
R
L
=11
Ω
Ta=25°C
C
IN
=C
O
=1
μF
(Ceramic capacitor)
C
N
=0.01
μF
(Ceramic capacitor)
Input voltage V
IN
(V)
O
O
Fig.5 Output Voltage vs. Input Voltage
(Typical Value)
(
PQ1KA333MZPH
)
Temperature
(Typical Value)
0
0
20
40
60
100
80
120 140
100
200
300
400
500
600
V
IN
=V
O
(TYP.)+1.0V,
V
C
=1.8V,Io=0mA
Junction temperature Tj (°C)
Fig.7 Quiescent Current vs. Junction
Fig.8
Dropout Voltage vs. Junction Temperature
(Typical Value) (
PQ1KA333MZPH
)
-40 -20
0
20
40
60
100
80
120 140
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
Junction temperature Tj (°C)
D
i
(
V
IN
=Input voltage when output voltage
falls 0.1V from that at V
IN
=V
O
(TYP.)+1.0V
V
C
=1.8V,I
O
=300mA,
C
IN
=C
O
=1
μ
F(Ceramic capacitor)
C
N
=0.01
μ
F(Ceramic capacitor)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0
25
50
75
100
Q
μ
A