PQ070XZ01 查看數據表（PDF） - Sharp Electronics
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PQ070XZ01 Datasheet PDF : 7 Pages
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Low Power-Loss Voltage Regulators
Fig.9 Circuit Operating Current vs. Input
Voltage (PQ070XZ5MZ)
20 VC=2.7V
Ta=Room temp.
R1=1kΩ
R2=1.4kΩ
(VO=3V)
CIN=0.33mF
CO=47mF
RL=10Ω (IO=0.3A)
10 RL=6Ω (IO=0.5A)
RL=∞Ω (IO=0A)
0
0
1
2
3
4
5
Input voltage VIN (V)
Fig.11 Dropout Voltage vs. Ambient
Temperature
0.25
VIN=2.35V
VC=2.7V
0.2 R1=1kΩ
R2=1.4kΩ PQ070XZ01Z:IO=0.5A
(VO=3V)
0.15
0.1
PQ070XZ5MZ:IO=0.3A
0.05
0
–50 –25 0 25 50 75 100 125
Ambient temperature Ta (˚C)
Fig.13 Ripple Rejection vs. Input Ripple
Frequency
75
70
PQ070XZ01Z
65
60
ei(rms)=0.5V
55 VIN=5V
VC=2.7V
50 IO=0.3A
CO=47mF
45 Ta=Room temp.
R1=1kΩ
40 R2=1.4kΩ
35 (VO=3V)
PQ070XZ5MZ
0.1
1
10
100
Input ripple frequency f (kHz)
PQ070XZ5MZ/PQ070XZ01Z
Fig.10 Circuit Operating Current vs. Input
Voltage (PQ070XZ01Z)
30 VC=2.7V
Ta=Room temp.
RL=3Ω (IO=1A)
R1=1kΩ
R2=1.4kΩ
(VO=3V)
20 CIN=0.33µF
CO=47µF
RL=6Ω (IO=0.5A)
RL=∞Ω (IO=0A)
10
0
0
1
2
3
4
5
Input voltage VIN (V)
Fig.12 Quiescent Current vs. Ambient
Temperature
1.4
PQ070XZ01Z
1.2
1
PQ070XZ5MZ
0.8
0.6
0.4
0.2
0
–50
VIN=4V
IO=0A
VC=2.7V
R1=1kΩ
R2=1.4kΩ
(VO=3V)
–25 0 25 50 75 100 125
Ambient temperature Ta (˚C)
Fig.14 Ripple Rejection vs. Output Current
75
PQ070XZ5MZ
70
65
PQ070XZ01Z
60
ei(rms)=0.5V
f=120Hz
55
VIN=5V
VC=2.7V
50
CO=47mF
Ta=Room temp.
45
R1=1kW
R2=1.4kW
40
(VO=3V)
0
0.25
0.5
0.75
1
Output current IO (A)
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