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SPX1202 데이터시트(PDF) 6 Page - Sipex Corporation

부품명 SPX1202
상세설명  600mA Low Dropout Voltage Regulator
PDF  12 Pages
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제조업체  SIPEX [Sipex Corporation]
홈페이지  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SPX1202 데이터시트(HTML) 6 Page - Sipex Corporation

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6
Mar3-07
SPX202 600 mA Low Dropout Linear Regulator
© 2007 Sipex Corporation
PACKAGE PINOUTS
1
3
2
SOT-223 (M3)
Top View
TO-263-3 (T)
1
2
3
Front View
TO-220-3 (U)
1
2
3
Front View
TO-252 (R)
ADJ/GND
V
OUT
1
2
3
V
IN
ADJ/GND
V
OUT
V
IN
ADJ/GND
V OUT V
IN
ADJ/GND
V
OUT
V
IN
Top View
Figure 11. 5V Regulator with Shutdown
SPX1202
V
IN
R
1
R
2
10F
10F*
1kΩ,
330Ω
1%
+
+
4.7F
C
1
*C
1
improves ripple rejection.
Z
Cshould be ~ R1 at ripple frequency
5V
ADJ
IN
OUT
(Note A)
V
OUT
Note A: V
IN(MIN) = (Intended VOUT
) + (V DROPOUT (MAX))
1%
SPX1202
V
IN
10F
1kΩ
1%
330Ω
1%
+
+
4.7F
5V
ADJ
IN
OUT
(Note A)
1k
1k
TTL
Input
2N3904
DROPOUT (MAX)
Note A: V
IN(MIN)
= (Intended V
OUT
) + (V
)
Figure 10. Improving Ripple Rejection
Figure 12. Recommended Connections for Best Results
SPX1202
V
IN
R 2
R 1
Connect R
2 to Load
R L
Connect R1 to
Case of Regulator
RPParasitic Line
Resistance
VOUT
ADJ
LAYOUT CONSIDERATIONS
Parasitic line resistance can degrade load regulation. In order not to affect the behavior of the regulator,
it is best to connect R
1 to the case as illustrated in Figure 12. For the same reason, R2 should be
connected to the negative side of the load.



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