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參數(shù)資料
| 型號： | SPX2930N-L-3.5 |
| 元件分類： | 固定正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | 3.5 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PBCY3 |
| 封裝： | LEAD FREE, TO-92, 3 PIN |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 221K |
| 代理商： | SPX2930N-L-3.5 |
4
Date: 03/03/05
SPX2930 150mA Low Dropout Voltage Regulator
Copyright 2005 Sipex Corporation
Figure 7. Maximum Power Dissipation (SOT89)
Figure 8. Maximum Power Dissipation (TO-92)
Figure 9. Output Impedance
Figure 10. Operation During Load Dump
0.0
010 20
40
70 80
AMBIENT TEMPERATURE (C)
POWER
DISSIP
ATION
(W)
30
50 60
90
0.4
0.8
1.2
1.6
2.0
1.0
0
20
40
50 60
AMBIENT TEMPERATURE (C)
POWER
DISSIP
ATION
(W)
0.9
0.8
0.7
0.6
0.5
0.4
0.1
0.3
0.2
0
10
30
70
80
90
0.125" LEAD LENGTH
FROM PC BOARD
0.4" LENGTH
FROMPC BOARD
10
1
0.1
0
30
60
90
120
150
FREQUENCY (Hz)
0.01
5.0V
I
O = 10mA
OUTPUT
IMPEDANCE
(
)
OPERATION DURING LOAD DUMP
TIME (ms)
OUTPUT
VOL
TAGE
(V)
400
200
100
-100
30
10
0
6
4
-2
2
0
300
~
20
40
50
60
70
500
OUTPUT
VOL
TAGE
(V)
~
C
O
= 100F
R
L
= 500
APPLICATION INFORMATION
The SPX2930 requires an output capacitor for
device stability. The value required varies greatly
depending upon the application circuit and other
factors. The high frequency characteristics of
electrolytic capacitors depend greatly on the
type and also on the manufacturer. Sometimes
only bench testing is the only means to deter-
mine the proper capacitor type and value. The
high quality 100
F aluminum electrolytic cov-
ers all general application circuits, this stability
can be obtained with a tantalum electrolytic
value of 47
F.
Another critical point of electrolytic character-
istics is its performance over temperature. The
SPX2930 is designed to operate starting at -
40
°C which may not be true in the case of
electrolytic. Higher temperatures generally no
problem. The electrolytic. type in aluminum
will freeze around -30
°C. This could cause an
oscillation at output of regulator. At a lower
temperature requirement by many applications
the capacitor should maintain its performance.
So as a result, for an application which regulator
junction temperature does not exceed 25
°C, the
TYPICAL PERFORMANCE CHARACTERISTICS
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SPX2930S-3.0 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:150 mA Low Dropout Voltage Regulator |
| SPX2930S-3.3 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:150 mA Low Dropout Voltage Regulator |
| SPX2930S-3.5 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:150 mA Low Dropout Voltage Regulator |
| SPX2930S-4.0 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:150 mA Low Dropout Voltage Regulator |
| SPX2930S-4.5 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:150 mA Low Dropout Voltage Regulator |
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