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參數(shù)資料
| 型號(hào)： | SPX2870U-5.0 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 6.5A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response |
| 中文描述： | 6.5A低壓差穩(wěn)壓器可調(diào)節(jié) |
| 文件頁(yè)數(shù)： | 5/7頁(yè) |
| 文件大小： | 195K |
| 代理商： | SPX2870U-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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