KA7500C_09 Datasheet, PDF (3/8 Pages) Fairchild Semiconductor – SMPS Controller

Typical Application
VI =10V to 40V
KSA1010
1mH, 2A
V _O =5V
IO =1A
47 Ω
150 Ω
1MΩ
0.1µF
50µF
10V ⁺
12
VC _C
11
C2
8
3
-2
C1
COMP INPUT
5.1KΩ
VR _EF 14
KA7500C
5.1KΩ
- 15
D.T GND E1
4
7
9
E2
O.C
10
13
+1
150 Ω
+ 16
RT
CT
6
5
5.1KΩ
+
50µF
50V
+
47KΩ 0.001µF
+
500µF
10V
GND
0.1
Figure 2. Pulse-Width Modulated Step-Down Converter
© 2003 Fairchild Semiconductor Corporation
KA7500C • Rev. 1.0.2
3
www.fairchildsemi.com