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SPX2954U3-3.3 Datasheet(PDF) 5 Page - Sipex Corporation

Part # SPX2954U3-3.3
Description  250 mA Low Drop Out Voltage Regulator
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Manufacturer  SIPEX [Sipex Corporation]
Direct Link  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SPX2954U3-3.3 Datasheet(HTML) 5 Page - Sipex Corporation

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5
Rev. 3/6/03
SP2954 250mA Low Dropout Voltage Regulator
© Copyright 2003 Sipex Corporation
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
Comparator Sink Current
2.5
1.5
OUTPUT LOW VOLTAGE (V)
2.0
1.0
0.5
0.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
0.9
T
A = -55ºC
T
A = 25ºC
T
A = 125ºC
Line Transient Response
TIME(
µs)
100
0
200
400
600
800
4V
6V
8V
-50
0
50
~
~
mV
mV
mV
C
L = 1µF
I
L = 1mA
V
OUT = 5V
Error Comparator Output
8
6
0
INPUT VOLTAGE (V)
4
2
0
-2
12
3
4
5
V
OUT = 5V
PULLUP RESISTOR TO
SEPARATE 5V SUPPLY
HYSTERESIS
Output Impedance
10
0.5
0.1
0.02
10
100
1K
10K
100K
1M
FREQUENCY (Hz)
5
0.2
0.05
0.01
1
2
I
O = 100mA
I
O = 100µA
I
O = 1mA
V
OUT = 5V
C
L = 1µF
Ripple Rejection
90
70
60
40
10 1
10 2
10 3
10 4
10 5
10 6
FREQUENCY (Hz)
80
50
20
30
I
L = 100µA
I
L = 0
C
L = 1µF
V
IN = 6V
V
OUT = 5V
Ripple Rejection
FREQUENCY (Hz)
10 6
10 3
10 2
10 1
90
80
70
60
50
20
40
30
10 4
10 5
I
L = 10mA
I
L = 1mA
C
L= 1µF
V
IN = 6V
V
OUT = 5V
Drop-Out Voltage
400
300
40
-75 -50 -25
0
25
50
75 100 125 150
TEMPERATURE (ºC)
500
200
0
I
L = 150mA
I
L = 100µA
~
~
Drop-Out Voltage
T
J = 25ºC
OUTPUT CURRENT
100mA
10mA
1mA
100
µA
500
400
300
200
100
0
Short Circuit Current
240
220
200
180
-75 -50 -25
0
25
50
75 100 125 150
TEMPERATURE (ºC)
230
210
190
170
20


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