參數(shù)資料
型號(hào): PQ1CZ41H2ZSERIES
英文描述: CHOPPER REGULATOR
中文描述: 斬波調(diào)壓器
文件頁數(shù): 4/8頁
文件大小: 74K
代理商: PQ1CZ41H2ZSERIES
Chopper Regulators
PQ1CZ1
Fig.10 Oscillation Frequency Fluctuation vs.
Junction Temperature
5
4
3
25
0
Junction temperature T
j
(
C)
25
50
75
100
125
5
1
2
1
0
3
4
2
V
IN
=12V
Vo=5V
O
(
Fig.11
Overcurrent Detecting Level
Fluctuation vs. Junction Temperature
15
O
(
25
0
Junction temperature T
j
(
C)
25
50
75
100
125
15
5
10
5
0
10
Fig.12 Threshold Voltage vs. Junction
Temperature
4.5
T
T
V
T
V
T
(
50
0.5
2
4
3.5
3
2.5
1
1.5
V
THH
V
THL
V
IN
=12V
V
TH(ON)
25
0
50
25
100
75
125
Junction temperature T
j
(
C)
Fig.13 Operating Dissipation Current vs.
Input Voltage
10
O
Q
'
(
0
5
7
9
8
6
10
Input voltage V
IN
(V)
20
30
40
Io=0.2A
Io=1A
No load
T
j
=25
C
Vo=5V
Fig.14 Power Dissipation vs. Ambient
Temperature (Typical Value)
3
PWB
Material
Size
Cu thickness : 35
μ
m
: Glass-cloth epoxy resin
: 50 X 50 X 1.6mm
PWB
Cu
Cu area 740mm
2
Cu area 180mm
2
Cu area 100mm
2
Cu area 70mm
2
Cu area 36mm
2
Ambient temperature T
a
(
C)
P
D
(
20
0
0
1
2
20
40
60
80
100
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