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LP2950 数据表(PDF) 6 Page - Sipex Corporation

部件名 LP2950
功能描述  100 mA Low Dropout Voltage Regulators
PDF  13 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  SIPEX [Sipex Corporation]
网页  http://www.sipex.com
标志 SIPEX - Sipex Corporation

LP2950 数据表(HTML) 6 Page - Sipex Corporation

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Rev. 8/10/01
LP2950/51 100mA Low Dropout Voltage Regulators
©Copyright 2001 Sipex Corporation
6
LP2951 Feedback Bias Current
-30
-75
TEMPEATURE (ºC)
-50
0
50
75 100
150
-20
-10
0
10
20
-25
25
125
LP2951 Feedback Pin Current
-150
-250
-2.0
-0.5
1.0
FEEDBACK VOLTAGE (V)
-200
-100
-50
0
50
-1.5
-1.0
0
0.5
T
A = 25ºC
T
A = 55ºC
TA=1 25ºC
PIN 7 DRIVEN BY EXTERNAL
SOURCE (REGULATOR RUN
OPEN LOOP)
LP2951 Minimum Operating Voltage
TEMPERATURE
2.3
2.1
1.9
1.7
-75
0
75
150
-50 -25
25
50
100 125
Load Transient Response
250
100
-50
100
0
1
2
3
4
5
TIME (ms)
µA
~
~
mA
-100
0
50
150
200
C
L = 1µF
V
OUT = 5V
100
Load Transient Response
80
20
-40
100
0
4
8
12
16
20
TIME (ms)
µA
100
-60
-20
0
40
60
µA
C
L = 10µF
V
OUT = 5V
~
~
LP2950 Maxium Rated Output
120
80
0
0
10
20
30
INPUT VOLTAGE (V)
25
15
5
T
A = 85 ºC
T
A=25 ºC
T
JMAX = 125 ºC
0.25" LEADS SOLDERED
TO-92 PACKAGE
TO PC BOARD
100
60
40
20
Vout=5V
LP2950 Maxium Rated Output Current
120
100
60
40
0
INPUT VOLTAGE (V)
80
20
0
5
10
15
20
25
30
T
JMAX = 125º C
V
OUT
= 5V
T
A = 25ºC
T
A = 50ºC
T
A = 85ºC
8-PIN
MOLDED
TO PC BOARD
DIP SOLDERED
Enable Transient
7
6
4
-100
0 100 200 300 400 500 600 700
TIME (us)
3
2
1
0
2
-2
0
5
OUT = 5V
V
IN = 8V
I
L = 10mA
V
LP2951 Divider Resistance
400
200
100
0
-75
0
75
150
TEMPERATURE (ºC)
-50 -25
25
50
100 125
300
C
L = 1µF
C
L = 10µF
LP2950/LP2951
TYPICAL PERFORMANCE CHARACTERISTICS (continued)



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