参数资料
型号: LP2950CN-L-3-3/TR
厂商: Exar Corporation
文件页数: 6/16页
文件大小: 0K
描述: IC REG LDO 3.3V .1A TO92-3
标准包装: 2,000
稳压器拓扑结构: 正,固定式
输出电压: 3.3V
输入电压: 最高 30V
电压 - 压降(标准): 0.38V @ 100mA
稳压器数量: 1
电流 - 输出: 100mA
工作温度: -40°C ~ 125°C
安装类型: 通孔
封装/外壳: TO-226-3、TO-92-3(TO-226AA)成形引线
供应商设备封装: TO-92-3
包装: 带卷 (TR)
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2.3
2.1
1.9
20
10
0
-10
-20
50
0
-50
-100
-150
-200
PIN 7 DRIVEN BY EXTERNAL
SOURCE (REGULATOR RUN
OPEN LOOP)
TA=1 25oC
T A = 25oC
T A = 55oC
1.7
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE
-30
-75 -50 -25 0 25 50 75 100 125 150
TEMPEATURE (oC)
-250
-2.0
-1.5 -1.0 -0.5 0 0.5
FEEDBACK VOLTAGE (V)
1.0
LP2951 Minimum Operating Voltage
LP2951 Feedback Bias Current
LP2951 Feedback Pin Current
250
200
150
100
50
80
60
40
20
0
7
6
5
4
3
C L = 1μF
μ A
0
-50
-100
100
mA
100
μ A
~ ~
C L = 1 μ F
V OUT = 5V
-20
-40
-60
100
100
μ A
~
~
C L = 10 μ F
V OUT = 5V
2
1
0
2
0
-2
C L = 10μF
I L = 10mA
V IN = 8V
V OUT = 5V
0
1
2
TIME (ms)
3
4
5
0
4
8 12
TIME (ms)
16
20
-100 0 100 200 300 400 500 600 700
TIME (us)
Load Transient Response
120
TO-92 PACKAGE
Load Transient Response
400
Enable Transient
120
8-PIN
MOLDED
100
80
0.25" LEADS SOLDERED
TO PC BOARD
Vout=5V
300
100
80
DIP SOLDERED
TO PC BOARD
T JMAX = 125o C
V OUT = 5V
60
T JMAX = 125 oC
200
60
T A = 25oC
40
T A =25 oC
40
T A = 50oC
100
20
0
T A = 85 oC
0
20
0
T A = 85oC
0
5
10 15 20
INPUT VOLTAGE (V)
25
30
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE (oC)
0
5
10 15 20
INPUT VOLTAGE (V)
25
30
LP2950 Maxium Rated Output
LP2951 Divider Resistance
LP2950 Maxium Rated Output Current
Rev G
LP2950-5  Low Dropout Linear Regulator s
6
? 2008 Exar Corporation
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