PQ6CU12X2APQ Datasheet, PDF (3/4 Pages) Sharp Electrionic Components – CMOS Step-up Chopper Regulator

Fig.4 Oscillation Frequency Fluctuation vs.
Junction Temperature
20
VIN=VC=5V
15
VO=30V
CIN=2.2μF
CO=1μF
10
L=56μH
IO=10mA
5
ROSC=130kΩ
0
-5
-10
-15
-20
-50 -25
0 25 50 75 100 125
Junction temperature Tj (°C)
Fig.6 On-resistance vs. Junction
Temperature
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-50 -25
VIN=VC=5V
ISW=200mA
CIN=2.2μF
CO=1μF
fO=500kHz
0 25 50 75 100 125
Junction temperature Tj (°C)
Fig.8 ON-state Current for Control vs.
Junction Temperature
60
VIN=VC=5V
VO=30V
50
IO=10mA
CIN=2.2μF
CO=1μF
L=56μH
40
fO=500kHz
30
20
10
0
-50 -25
0 25 50 75 100 125
Junction temperature Tj (°C)
PQ6CU12X2APQ
Fig.5 Oscillation Frequency vs.Resistance
(ROSC)
1000
900
800
700
600
VIN=VC=5V
VO=30V
CIN=2.2μF
CO=1μF
L=56μH
IO=10mA
Tj=25˚C
500
400
300
200
100
0
50 100 150 200 250 300
ROSC(kΩ)
Fig.7 ON-state Voltage for Control vs.
Junction Temperature
1.0
VIN=VC=5V
VO=30V
0.9
IO=10mA
CIN=2.2μF
CO=1μF
0.8
L=56μH
fO=500kHz
0.7
0.6
0.5
0.4
0.3
-50 -25 0 25 50 75 100 125
Junction temperature Tj (°C)
Sheet No.: OP06066
3