参数资料
型号: LP3875ET-ADJ/NOPB
厂商: National Semiconductor
文件页数: 5/20页
文件大小: 0K
描述: IC REG LDO ADJ 1.5A TO220-5
标准包装: 45
稳压器拓扑结构: 正,可调式
输出电压: 可调
输入电压: 2.5 V ~ 7 V
电压 - 压降(标准): 0.38V @ 1.5A
稳压器数量: 1
电流 - 输出: 1.5A(最小值)
工作温度: -40°C ~ 125°C
安装类型: 通孔
封装/外壳: TO-220-5 成形引线
供应商设备封装: TO-220-5
包装: 管件
其它名称: *LP3875ET-ADJ
*LP3875ET-ADJ/NOPB
LP3875ET-ADJ

SNVS247D – SEPTEMBER 2003 – REVISED APRIL 2013
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise specified: T J = 25°C, C OUT = 10μF, C IN = 10μF, S/D pin is tied to V IN , V OUT = 2.5V, V IN = V O(NOM) + 1V, I L =
10mA
Ground Curren vs Output Voltage
Dropout Voltage vs Output Load Current
600
500
6
5
I L = 1.5A
5 C
400
12
o
o
25
C
4
300
3
- 40
200
100
0
o C
2
1
0
0
0.5
1
1.5
1.8
2.3
2.8
3.3
3.8
4.3
4.8
OUTPUT LOAD CURRENT (A)
OUTPUT VOLTAGE (V)
Figure 5.
Shutdown I Q vs Junction Temperature
10
Figure 6.
DC Load Reg. vs Junction Temperature
3
2.5
1
2
0.1
1.5
1
0.01
0.5
0.001
0
-40 -20
0
20
40
60
80
100
125
-40
-20
0
20
40
60
80
100 125
JUNCTION TEMPERATURE ( C)
TEMPERATURE ( o C)
Figure 7.
DC Line Regulation vs Temperature
3
2.5
2
1.5
1
0.5
0
3.000
2.500
2.000
1.500
1.000
0.500
0.000
o
Figure 8.
Noise vs Frequency
IL = 100mA
C IN = C OUT = 10 P F
-40
-20
0
20
40
60
80
100 125
100
1k
10k
100k
JUNCTION TEMPERATURE ( C)
Figure 9.
o
FREQUENCY (Hz)
Figure 10.
Copyright ? 2003–2013, Texas Instruments Incorporated
Product Folder Links: LP3875-ADJ
5
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