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AZ34063P View Datasheet(PDF) - American Accurate Components, Inc.

Part Name
Description
View to exact match
AZ34063P
AAC
American Accurate Components, Inc. AAC
AZ34063P Datasheet PDF : 13 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
0.8A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER
Typical Applications (Continued)
Data Sheet
AZ34063
8
Vin 25V
7
Rsc
00..343
6
+ C1
100PF
5
R2
1.2k
B
SQ
A
R
IIpPkK
OSC CT
1.25V
+
Reference
Regulator
-
U1 AZ34063
R1 3.6k
1
2
D1
1N5819
3
CT
470 pF
L1
222200PH
4
Vout
5V/500mA
+
C2
470 PF
L2 1.0 PH
Optional
Filter
Vout
+
C3
100 PF
Figure 11. Step-Down converter (Note 6)
Note 6: This is a typical step-down converter configuration. The working process in the steady state is similar to
step-up converter, Vpin5 = VOUT * R2/(R1+R2) = 1.25 (V), the output voltage can be decided by VOUT = 1.25 *
(R1+R2)/R2 (V).
Apr. 2005 Rev. 2. 1
BCD Semiconductor Manufacturing Limited
9
 

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