参数资料
型号: PQ1CG41H2RZ
英文描述: CHOPPER REGULATOR
中文描述: 斩波调压器
文件页数: 4/6页
文件大小: 67K
代理商: PQ1CG41H2RZ
Chopper Regulators
PQ1CG2032FZ/PQ1CG2032RZ
Fig.10 Oscillation Frequency Fluctuation vs.
Junction Temperature
Fig.11 Overcurrent Detecting Level
Fluctuation vs. Junction Temperature
Fig.12 Threshold Voltage vs. Junction
Temperature
Fig.13 Operating Dissipation Current vs.
Input Voltage
Fig.14 Block Diagram
Oscillation
frequency
fluctuation
(%)
10
5
0
5
25
0
25
50
75
100
125
Junction temperature Tj (°C)
VIN=12V
VO=5V
Overcurrent
detecting
level
fluctuation
(%)
8
6
4
2
0
2
4
6
25
0
25
50
75
100
125
Junction temperature Tj (°C)
Threshold
voltage
V
TH
(ON)
,V
TH
(L)
,V
TH
(H)
(V)
0
0.5
1
1.5
2
2.5
3
0
50
100
25
75
125
Junction temperature Tj (°C)
VTH(L)
VTH(H)
VTH(ON)
VIN=12V
Operating
dissipation
current
I
Q'
(mA)
Input voltage VIN (V)
5
6
7
8
9
10
0
10203040
Tj
=25°C
VO=5V
IO=3A
No load
IO=1A
Voltage
regulator
Overcurrent
detection
circuit
Overheat
detection
circuit
ON/OFF
circuit
Q
R
S
F/F
Oscillator
Soft
start
2
5
4
1
3
COM
PWM COMP.
VIN
VOUT
ON/OFF
OADJ
Vref
ERROR AMP.
_
+
_
+
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