PQXXXEZ1HZXH Datasheet, PDF (3/8 Pages) Sharp Electrionic Components – Low Voltage Operation Low Power-Loss Voltage Regulators

Fig.1 Test Circuit
VIN
+
0.33μF
PQxxxEZ1HZxH Series
1
3
2
5
A ^Iq
VC
A IC
+
47μF
VO
A IO
V
RL
Fig.2 Test Circuit for Ripple Rejection
ei ^~
VIN
1
3
+
0.33μF
VC
2
5
2.7V
+
47μF
+
IO
eo
V_~
RL
f=120Hz(sine wave)
ei(rms)=0.5V
VIN= VO(TYP)+2V
I_O=0.3A
RR=20log(ei(rms)/eo(rms))
Fig.3 Power Dissipation vs. Ambient
Temperature
10
PD : With infinite heat sink
8
5
0
－40 －20 0 20 40 60 80
Ambient temperature Ta (°C)
Note) Oblique line portion:Overheat protection may operate in this area.
Fig.4 Overcurrent Protection Characteristics
(PQ015EZ1HZxH)
1.5
V IN =2.35V
V IN =2.5V
V IN =3V
1
V IN =3.3V
V IN =5V
0.5
0
0
0.5
1
1.5
2
Output current IO (A)
Sheet No.: OP06018
3