PQ035ZN1HZPH
Fig.3 Test Circuit for Ripple Rejection (2)
1
3
VIN
1.8V
VB
eb
1μF
~
2
4
5
1μF
3.3V
Fig.4 Power Dissipation vs. Ambient
Temperature
10
PD:With infinite heat sink
8
5
0
-40 -20 0 25 50 75 85 100 125 150
Ambient temperature Ta (°C)
Note) Oblique line portion:Overheat protection may operate in this area.
Fig.6 Output Voltage Adjustment
Characteristics(Typical Value)
3.5
3.4 R1=1kΩ
3.2
3
2.8
2.6
2.4
2.2
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
00
1000
2000 3000
R2(Ω)
4000 5000
+
R2
Vref
R1
1kΩ
10μF
IO
eo
V~
RL
f=120Hz(sine wave)
eb(rms)=0.1V
VIN=1.8V
VB=3.3V
VO=1.2V(R1=1kΩ)
IO=0.3A
RR=20log(eb(rms)/eo(rms))
Fig.5 Overcurrent Protection Characteristics
1.2
VIN=3.3V
1.0
VIN=1.7V
VIN=5.5V
0.8
VIN=2.5V
0.6
0.4 VB=3.3V
R1=R2=1kΩ
(VO=1.2V)
0.2 CIN=CB=1μF
CO=10μF
0 Ta=Room temp.
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Output current IO (A)
Sheet No.: OP06078
3