PQ018EH01ZZH 查看數據表（PDF） - Sharp Electronics
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PQ018EH01ZZH Datasheet PDF : 6 Pages
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Fig.13
20
Circuit Operating Current vs. Input
Voltage (PQ015EH01ZxH)
V C=2.7V
T a=R oom temp.
C I N =0.33μF
C O=10μF
R L =1.5Ω (IO=1A )
10
R L =3Ω (IO=0.5A )
R L =∞Ω (IO=0A )
0
0
1
2
3
4
5
Input voltage VIN(V)
Fig.15 Circuit Operating Current vs. Input
Voltage (PQ025EH01ZxH)
30
V C=2.7V
T a=R oom temp.
C I N =0.33μF
C O=47μF
20
R L =2.5Ω (IO=1A )
10
R L =5Ω (IO=0.5A )
R L =∞Ω (IO=0A )
0
0
1
2
3
4
5
Input voltage VIN(V)
Fig.17 ON-OFF Threshold Voltage vs. Ambient
Temperature (PQ018EH01ZxH)
2.5
V IN=2.5V
I O=0A
2
1.5
1
0.5
0
−50 −25 0
25 50 75 100 125
Ambient temperature Ta (°C)
PQxxxEH01ZxH Series
Fig.14 Circuit Operating Current vs. Input
Voltage (PQ018EH01ZxH)
20
V C=2.7V
T a=R oom temp.
C I N =0.33μF
C O=47μF
R L =1.8Ω (IO=1A )
10
R L =3.6Ω (IO=0.5A )
R L =∞Ω (IO=0A )
0
0
1
2
3
4
5
Input voltage VIN(V)
Fig.16 Quiescent Current vs. Junction
Temperature
1.4
I O=0A
1.2
PQ025EH01ZxH:VIN=3.5V
V C=2.7V
1
0.8
PQ018EH01ZxH:VIN=2.8V
PQ015EH01ZxH:VIN=2.5V
0.6
0.4
0.2
0
−50 −25 0
25 50 75 100 125
Junction temperature Tj (°C)
Fig.18 Ripple Rejection vs. Input Ripple
Frequency
75
PQ015EH01ZxH(VIN=3.5V)
70
65 PQ018EH01ZxH(VIN=3.8V)
60
PQ025EH01ZxH (VIN=4.5V)
55
50
ei (rms) =0.5V
45 V C=2.7V
I O=0.3A
40 CO=47μF
T a=R oom temp.
35
0.1
1
10
100
Input ripple frequency f (kHz)
Sheet No.: OP06029
5
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