![](http://datasheet.mmic.net.cn/270000/PQ05TZ1U_datasheet_16042419/PQ05TZ1U_10.png)
56
Low Power-Loss Voltage Regulators
PQ05TZ51/PQ05TZ11 Series
Fig.45
Ripple Rejection vs. Output Current
(PQ05TZ51/PQ09TZ51/PQ12TZ51)
100
Fig.46
Ripple Rejection vs. Output Current
(PQ05TZ11/PQ09TZ11/PQ12TZ11)
100
Output current I
O
(A)
R
0
0.1
0.2
0.3
0.4
0.5
10
20
30
40
50
60
70
80
90
PQ05TZ51
PQ09TZ51
PQ12TZ51
T
j
=25C
V
IN
=7V (
PQ05TZ51
)
=11V (
PQ09TZ51
)
=14V (
PQ12TZ51
)
f=120Hz
(sine wave)
e
i
=0.5V
rms
Output current I
O
(A)
R
0
0.5
1.0
10
20
30
40
50
60
70
80
90
PQ05TZ11 PQ09TZ11
PQ12TZ11
T
j
=25C
V
IN
=7V (
PQ05TZ11
)
=11V (
PQ09TZ11
)
=14V (
PQ12TZ11
)
f=120Hz
(sine wave)
e
i
=0.5V
rms
Fig.47 Output Peak Current vs. Junction
Temperature(Typical Value)
(PQ3TZ50/PQ3TZ53)
2.0
V
IN
–V
O
=5V
–25
0
Junction temperature T
j
(C)
Fig.49
Output Peak Current vs. Dropout Voltage
(PQ05TZ11/PQ09TZ11/PQ12TZ11)
50
25
100
75
125
1.5
1.0
0.5 I
OP
:Output current when
Output voltage is 95%
in comparison with
the initial value
0
O
O
(
2V
1V
0.5V
O
O
(
Dropout voltage V
i–
O
(V)
I
OP
:Output current when
output voltage is 95%
in comparison with
the initial value
4
5
6
0
1
2
3
7
8
9 10
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
Fig.48
Output Peak Current vs. Dropout Voltage
(PQ05TZ51/PQ09TZ51/PQ12TZ51)
Junction temperature T
j
(C)
O
O
(
0
25
50
75
100
125
–20
0.9
1.0
1.1
1.2
1.3
1.4
1.5
V
IN
–V
O
=2V
1V
0.5V
I
OP
:Output current when
output voltage is 95%
in comparison with
the initial value
Fig.50
Output Peak Current vs. Junction Temperature
(PQ05TZ51/PQ09TZ51/PQ12TZ51)
O
O
(
Dropout voltage V
i–
O
(V)
0
1
2
3
4
5
6
7
8
9 10
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
I
OP
:Output current when
output voltage is 95%
in comparison with
the initial value