4
Sheet No.: OP06063
Fig.10 Dropout Voltage vs. Output Current
(Typical Value)
PQ1KAxx3MZPH Series
0 50 100 150 200 250 300
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Output current I
O
(mA)
Dropout voltage V
I-O
(V)
Ta=25
°C
,VC=1.8V,VIN=Input voltage when output
voltage falls 0.1V from that at VIN=VO(TYP.)+1.0V
-40 -20 0 20 40 60 10080 120 140
0
0.1
0.2
0.3
0.4
0.5
Fig.12 Output Peak Current vs. Junction
Temperature (Typical Value)
Junction temperature Tj (°C)
Output peak current IOP(A)
VIN=VO(TYP.)+1.0V
I
OP:Output current when output voltage
falls 0.3V from that at I
O=30mA.
■ Example of application
ON/OFF signal
High : Output ON
: Output OFFLow or Open
-40 -20 0 20 40 60 10080 120 140
-40
-50
-30
-20
-10
30
20
10
0
40
50
VIN=4.3V,VC=1.8V,
IO=30mA,
C
IN=CO=1μF(Ceramic capacitor)
C
N=0.01μF(Ceramic capacitor)
Fig.9
Output Voltage Deviation vs. Junction Temperature
(Typical Value) (PQ1KA333MZPH)
Junction temperature Tj (°C)
Output voltage deviation ΔV
O
(mV)
0 1 10 100
20
10
0
30
40
50
60
70
80
Ta=25
°C
,VIN=4.3V,VC=1.8V
IO=30mA,
C
O=1μF(Ceramic capacitor)
C
N=0.1μF(Ceramic capacitor)
Ripple rejection RR (dB)
Input ripple frequency f(kHz)
Fig.11
Ripple Rejection vs. Input Ripple Frequency
(Typical Value) (PQ1KA333MZPH)
1
2
4
6
3
VIN
CIN
0.01μF
C
Ｏ
Load
5
