參數(shù)資料
型號: SXP2870U-5.0
英文描述: Analog IC
中文描述: 模擬IC
文件頁數(shù): 5/7頁
文件大小: 195K
代理商: SXP2870U-5.0
Rev. 10/30/00
SPX2870
TYPICAL APPLICATIONS
IN
OUT
ADJ
SPX2870
C
1
R1
V
OUT
Fig. 5 Typical Adjustable Regulator
V
IN
LOAD
ADJ
SPX2870
Fig. 4 6.5A Current output Regulator
V
IN
C
1
OUT
IN
R
2
C
2
V
OUT
= V
REF
(1 + R
2
) + I
ADJ
R
2
R
1
R
1
Note A: V
IN(MIN)
= (Intended V
OUT
) + (V
DROPOUT (MAX)
)
SPX2870
Fig. 6 Improving Ripple Rejection
V
IN
R
121
1%
R
2
150μF
10μF*
365
1%
+
+
10μF
C
*C
1
improves ripple rejection. Xc
should be ~ R
1
at ripple frequency.
5V
ADJ
IN
OUT
(Note A)
V
OUT
SPX2870
Fig.7 5V Regulator with Shutdown
V
IN
100μF
121
1%
365
1%
+
+
10μF
5V
ADJ
IN
OUT
(Note A)
1k
1k
TTL
Input
2N3904
Note A: V
IN(MIN)
= (Intended V
OUT
) + (V
DROPOUT (MAX)
)
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