Low Power-Loss Voltage Regulators
PQ05DZ51/11 Series / PQ3DZ53/13
Fig.37 Ripple Rejection vs. Input Ripple
Frequency (PQ05DZ51series/PQ3DZ53)
80
PQ3DZ53
R
Input ripple frequency f
(kHz)
RR=20 log(e
i(rms)
/e
o(rms)
)
Io=0.3A, T
j
=25
C
e
i(rms)
=0.5V(sine wave)
0.1
1
10
100
40
45
50
55
60
65
70
75
V
IN
=5V (
PQ3DZ53
)
=7V (
PQ05DZ51
)
=11V (
PQ09DZ51
)
=14V (
PQ12DZ51
)
PQ05DZ51
PQ09DZ51
PQ12DZ51
Fig.38 Ripple Rejection vs. Input Ripple
Frequency (PQ05DZ11series/PQ3DZ13)
80
PQ3DZ13
R
Input ripple frequency f
(kHz)
RR=20 log(e
i(rms)
/e
o(rms)
)
Io=0.3A, T
j
=25
C
e
i(rms)
=0.5V(sine wave)
0.1
1
10
100
40
45
50
55
60
65
70
75
V
IN
=5V (
PQ3DZ13
)
=7V (
PQ05DZ11
)
=11V (
PQ09DZ11
)
=14V (
PQ12DZ11
)
PQ12DZ11
PQ09DZ11
PQ05DZ11
Fig.35 Quiescent Current vs. Junction
Temperature (PQ05DZ51series/PQ3DZ53)
5
PQ12DZ51
Junction temperature T
j
(
C)
Q
(
0
25
50
75
100
125
–
25
2.5
3
3.5
4
4.5
V
IN
=7V (
PQ05DZ51
)
V
IN
=11V (
PQ09DZ51
)
V
=14V (
PQ12DZ51
)
Io=0A
Vc=2.7V
V
IN
=5V (
PQ3DZ53
)
PQ05DZ51
PQ3DZ53
PQ09DZ51
Junction temperature T
j
(
C)
Q
(
0
25
50
75
100
125
–
25
3.4
3.6
3.8
4.0
4.2
4.4
V
IN
)
V
IN
=11V (
PQ09DZ11
)
V
IN
=14V (
PQ12DZ11
)
V
IN
=7V (
PQ05DZ11
)
Io=0A
Vc=2.7V
PQ12DZ11
PQ09DZ11
PQ05DZ11
PQ3DZ13
Fig.36 Quiescent Current vs. Junction
Temperature (PQ05DZ11series/PQ3DZ13)
Fig.34 Dropout Voltage vs. Junction
Temperature (PQ05DZ11series/PQ3DZ13)
0.18
PO05DZ11
:V
IN
=4.75V, Io=0.5A, Vc=2.7V
PO09DZ11
:V
IN
=8.55V, Io=0.5A, Vc=2.7V
PO12DZ11
:V
IN
=11.4V, Io=0.5A, Vc=2.7V
PO3DZ13
:V
IN
=3.135V, Io=0.5A, Vc=2.7V
Junction temperature T
j
(
C)
D
i
–
O
(
–
20
0
20
40
60
80 100 120
0.10
0.11
0.12
0.13
0.14
0.16
0.17
0.15
PQ12DZ11
PQ09DZ11
PQ3DZ13
PQ05DZ11
Fig.33 Dropout Voltage vs. Junction
Temperature (PQ05DZ51series/PQ3DZ53)
0.20
0.19
0.18
PO3DZ53
:V
IN
=3.135V, Io=0.3A, Vc=2.7V
PQ3DZ53
PQ05DZ51
PQ12DZ51
Junction temperature T
j
(
C)
D
i
–
O
(
–
20
0
20
40
60
80 100 120
0.10
0.11
0.12
0.13
0.14
0.16
0.15
0.17
PO05DZ51
:V
IN
=4.75V, Io=0.3A, Vc=2.7V
PO09DZ51
:V
IN
=8.55V, Io=0.3A, Vc=2.7V
PO12DZ51
:V
IN
=11.4V, Io=0.3A, Vc=2.7V
PQ09DZ51