Chopper Regulators
PQ1CG2032FZ/PQ1CG2032RZ
Fig.4 Efficiency vs. Input Voltage
Fig.5 Output Saturation Voltage vs.
Switching Current
1.6
100
Tj=25°C
VO=12V, IO=1A
Tj=25°C
1.4
1.2
1
VO=12V, IO=3A
90
80
70
0.8
0.6
0.4
VO=5V, IO=1A VO=5V, IO=3A
60
50
0.2
0
0
10
20
30
40
0
1
2
3
4
Input voltage VIN (V)
Switching current ISW (A)
Fig.6 Stand-by Current vs. Intput Voltage
Fig.7 Reference Voltage Fluctuation vs.
Junction Temperature
250
2
VIN=12V
VO=5V
200
150
100
1
0
−1
−2
50
0
0
5
10
15
20
25
30
35
40
−25
0
25
50
75
100
125
Intput voltage VIN (V)
Junction temperature Tj (°C)
Fig.8 Load Regulation vs. Output Current
Fig.9 Line Regulation vs. Input Voltage
1
1
Tj=25°C
VIN=12V
VO=5V
0.5
0.5
0
0
Tj=25°C
VO=5V
IO=0.5A
−0.5
−0.5
0
0.5
1
1.5
2
2.5
3
3.5
0
5
10
15
20
25
30
35
40
Output current IO (A)
Input voltage VIN (V)
SHARP [ SHARP ELECTRIONIC COMPONENTS ]
