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參數資料
| 型號： | MC33365 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Isolated Flyback Switching Regulator with 9V Output |
| 中文描述： | 隔離反激式開關穩壓9V輸出 |
| 文件頁數： | 5/12頁 |
| 文件大小： | 233K |
| 代理商： | MC33365 |
MC33365
5
MOTOROLA ANALOG IC DEVICE DATA
1.0
160
0
2.0
0
–50
32
0
0
CO
VDS, DRAIN–SOURCE VOLTAGE (V)
VCC = 20 V
TA = 25
°
C
Ip
VCC, POWER SUPPLY VOLTAGE (V)
VPin 1 = 400 V
TA = 25
°
C
IC
VCC, SUPPLY VOLTAGE (V)
RD
TA, AMBIENT TEMPERATURE (
°
C)
ID = 200 mA
Vr
Figure 9. Regulator Output Voltage
Change versus Source Current
Ireg, REGULATOR SOURCE CURRENT (mA)
Figure 10. Peak Startup Current
versus Power Supply Voltage
VCC = 20 V
RT = 10 k
CPin 8 = 1.0
μ
F
TA = 25
°
C
Figure 11. Power Switch Drain–Source
On–Resistance versus Temperature
Figure 12. Power Switch
Drain–Source Capacitance versus Voltage
Figure 13. Supply Current versus Supply Voltage
3.2
Pulse tested with an on–time of 20
μ
s to 300
μ
s
at < 1.0% duty cycle. The on–time is adjusted at
Pin 1 for a maximum peak current out of Pin 3.
Pulse tested at 5.0 ms with < 1.0% duty cycle
so that TJ is as close to TA as possible.
COSS measured at 1.0 MHz with 50 mVpp.
10
RT = 10 k
Pin 1 = Open
Pin 4, 5, 10, 11,
12, 13 = Gnd
TA = 25
°
C
–20
–40
–60
–80
24
16
8.0
0
2.4
1.6
0.8
0
1.0
0
120
40
80
0
4.0
8.0
12
16
20
2.0
4.0
6.0
8.0
10
12
14
–25
0
25
50
75
150
100
100
1000
10
20
30
40
125
0.01
100
RJ
t, TIME (s)
Figure 14. DW and P Suffix Transient
Thermal Resistance
J
°
0.1
1.0
10
100
10
1.0
L = 12.7 mm of 2.0 oz. copper.
Refer to Figure 15.
CT = 2.0 nF
CT = 390 pF
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