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SPX2954AT-3-3(2005) データシートの表示(PDF) - Signal Processing Technologies
部品番号
コンポーネント説明
メーカー
SPX2954AT-3-3
(Rev.:2005)
250mA Low Dropout Voltage Regulator
Signal Processing Technologies
SPX2954AT-3-3 Datasheet PDF : 17 Pages
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APPLICATIONS HINTS
+V
IN
AUX SHUTDOW
INPUT
OFF
ON
3
SD
8
+V
IN
_______ 5
ERROR
SPX2954
1
V
OUT
10K
Ω
.
5 DEGR
.
EE SHUTDOWN FLAG
GND
+
4
TEMP
SENSOR
AS35
-
FB
7
8.2K
Ω
EXTERNAL CIRCUIT
PROTECTED FROM
OVER TEMPERATURE
(V+ GOES OFF WHEN
TEMP > 125)
Figure 6. System Over Temperature Protection
OR
RELAY
4
20mA
1N4001
0.1
µ
F
+5V
4.7mA
8
+V
IN
1
V
OUT
SPX2954
7
FB
OUTPUT
2
GND
4
1N457
MIN VOLTAGE = 4V
360K
Ω
Figure 7. Open Circuit Detector for 4mA to 20mA
Current Loop
UNREGULATED INPUT
8
IN
1
V
OUT
SPX2954
6
V
TAP
FB
7
2
SENSE
GND
4
330k
Ω
27k
Ω
+
4.7
µ
F
2N5432
(2)
5V
OUTPUT
LOAD
50mA
TO
300 mA
Figure 8. 300mA Regulator with 0.75V
Date: 12/9/05
SPX2954, 250mA Low Dropout Voltage Regulator
11
© Copyright 2005 Sipex Corporation
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