PQ1CG2032RZ View Datasheet(PDF) - Sharp Electronics
Part Name
Description
Manufacturer
PQ1CG2032RZ Datasheet PDF : 6 Pages
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Chopper Regulators
PQ1CG2032FZ/PQ1CG2032RZ
Fig.10 Oscillation Frequency Fluctuation vs.
Junction Temperature
5
0
−5
−10
−25
VIN=12V
VO=5V
0
25 50 75 100 125
Junction temperature Tj (°C)
Fig.12 Threshold Voltage vs. Junction
Temperature
3
VTH(H)
VIN=12V
2.5
2
VTH(L)
1.5
1
0.5
0
−25
VTH(ON)
0
25 50 75 100 125
Junction temperature Tj (°C)
Fig.14 Block Diagram
1 VIN
Fig.11 Overcurrent Detecting Level
Fluctuation vs. Junction Temperature
6
4
2
0
−2
−4
−6
−8
−25
0
25 50 75 100 125
Junction temperature Tj (°C)
Fig.13 Operating Dissipation Current vs.
Input Voltage
10
Tj=25°C
VO=5V
9
IO=1A
8
7
IO=3A
6
No load
5
0
10
20
30
40
Input voltage VIN (V)
2 VOUT
Overcurrent
detection
circuit
Overheat
detection
circuit
Voltage
regulator
ON/OFF
circuit
PWM COMP.
_
+
Q
F/F R
S
3 COM
_ ERROR AMP.
+
Vref
5 ON/OFF
4 OADJ
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