MC33503(2002) Просмотр технического описания (PDF) - ON Semiconductor
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Компоненты Описание
производитель
MC33503 Datasheet PDF : 16 Pages
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MC33501, MC33503
15 V
5.0 V
Vref
15
2
3
13
16
4
FB
1
11
Output A
MC34025
14
Output B
4.7
4.7
22 k 5
8
12
6
10
0.1
470 pF
7
9
100 k
+
MC33502
-
3320
1.0 k
1.0 k
From
Current Sense
Provides current sense
amplification and eliminates
leading edge spike.
Figure 35. Power Supply Application
VO
R1
1.0 k
IO
Rsense
1.0 V
R3
1.0 k
+
-
R4
1.0 k
R5
VL
2.4 k
RL
IL
75
IO
435 mA
212 mA
IL
463 mA
492 mA
DIO/DIL
–120 x 10–6
For best performance, use low tolerance resistors.
R2
3.3 k
Figure 36. 1.0 V Current Pump
http://onsemi.com
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