Low Power-Loss Voltage Regulators
Fig.15 Output Voltage Deviation vs. Junction
Temperature (PQ09DZ51/11)
70
VIN=11V , Io=0.3A , Vc=2.7V
60
(PQ09DZ51)
50
40
VIN=11V , Io=0.5A , Vc=2.7V
30
(PQ09DZ11)
20
10
0
PQ09DZ11
–10
–20
–30
–40
PQ09DZ51
–50
–60
–70
–80
–90
–25 0 25 50 75 100 125
Junction temperature Tj (˚C)
Fig.17 Output Voltage vs. Input Voltage
(Typical Value) (PQ3DZ53)
Vc=2.7V , Ci=0.33µF , Co=47µF
7
6
5
4
RL=∞
3
RL=11Ω
2
RL=6.6Ω
1
012345678
Input voltage VIN (V)
Fig.19 Output Voltage vs. Input Voltage
(Typical Value) (PQ09DZ51)
15
Vc=2.7V , Ci=0.33µF , Co=47µF
Tj=25˚C
10
RL=∞
RL=30Ω
RL=18Ω
5
PQ05DZ51/11 Series / PQ3DZ53/13
Fig.16 Output Voltage Deviation vs. Junction
Temperature (PQ12DZ51/11)
70
VIN=14V , Io=0.3A , Vc=2.7V
60
(PQ12DZ51)
50
40
VIN=14V , Io=0.5A , Vc=2.7V
30
(PQ12DZ11)
20
10
0
PQ12DZ11
–10
–20
–30
–40
PQ12DZ51
–50
–60
–70
–80
–90
–25 0 25 50 75 100 125
Junction temperature Tj (˚C)
Fig.18 Output Voltage vs. Input Voltage
(Typical Value) (PQ05DZ51)
Vc=2.7V , Ci=0.33µF , Co=47µF
7
6
5
RL=∞
4
RL=16.7Ω
RL=10Ω
3
2
1
012345678
Input voltage VIN (V)
Fig.20 Output Voltage vs. Input Voltage
(Typical Value) (PQ12DZ51)
15
Vc=2.7V , Ci=0.33µF , Co=47µF
Tj=25˚C
RL=∞
RL=40Ω
10
RL=24Ω
5
0
5
10
15
Input voltage VIN (V)
0
5
10
15
Input voltage VIN (V)