PQXXXFZ5MZ Datasheet, PDF (3/10 Pages) Sharp Electrionic Components – Low Voltage Operation Low Power-Loss Voltage Regulators (SC-63)

Low Power-Loss Voltage Regulators
PQxxxFZ5MZ Series/PQxxxFZ01Z Series
Fig.2 Test Circuit for Ripple Rejection
1
3
ei
VC
2
4
IO
eo
5
0.33 µF
VIN
1.8V
VB
3.3V
0.33µF
100 µF
2.7V
(50V Rated voltage) ^RL
f=120Hz(sine wave)
ei(rms)=0.1V
VIN=1.8V, VB=3.3V
IO=0.3A
RR=20log (ei(rms)/eo(rms))
Fig.3 Test Circuit for Ripple Rejection
1
3
I_O
0.33µF
2
V_C
4
eo
V_IN
1.8V
eb
5
V_B
3.3V
0.33µF
100µF
2.7V
(50V
R_L
Rated voltage)
f=120Hz(sine wave)
ei(rms)=0.1V
VIN=1.8V, VB=3.3V
I_O=0.3A
RR=20log (ei(rms)/eo(rms))
Fig.4 Power Dissipation vs. Ambient
Temperature
10
8 ^{PD : With infinite heat sink}
5
0
–25 –20 0 20 40 60 80
Ambient temperature T_a (°C)