SPX2954 Sipexoration, SPX2954 Datasheet - Page 11

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SPX2954

Manufacturer Part Number
SPX2954
Description
250 mA Low Drop Out Voltage Regulator
Manufacturer
Sipexoration
Datasheet

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APPLICATIONS HINTS
Figure 7. Open Circuit Detector for 4mA to 20mA
Current Loop
Rev. 3/6/03
Figure 6. System Over Temperature Protection
4
AUX SHUTDOW
ON
1N4001
0.1µF
20mA
INPUT
TEMP
SENSOR
OFF
SPX2954
GND
+V
4
IN
8
AS35
-
+
MIN VOLTAGE = 4V
V
3
OUT
FB
1N457
SD
7
1
GND
SPX2954
4
SP2954 250mA Low Dropout Voltage Regulator
+V
+V
IN
8
IN
2
360K
4.7mA
_______
ERROR
FB
+5V
V
7
8.2K
OUTPUT
OUT
5
1
11
10K
5 DEGREE SHUTDOWN FLAG
Figure 8. 300mA Regulator with 0.75V
UNREGULATED INPUT
.
.
EXTERNAL CIRCUIT
PROTECTED FROM
OVER TEMPERATURE
(V+ GOES OFF WHEN
TEMP > 125)
8
6
V
IN
TAP
FB
7
SPX2954
GND
SENSE
4
V
OUT
© Copyright 2003 Sipex Corporation
1
2
27kΩ
OR
330kΩ
+
4.7µF
LOAD
50mA
TO
300 mA
5V
OUTPUT
RELAY
2N5432
(2)

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