参数资料
型号: MIC2941AWT
厂商: Micrel Inc
文件页数: 5/11页
文件大小: 0K
描述: IC REG LDO ADJ 1.25A TO220-5
标准包装: 50
稳压器拓扑结构: 正,可调式
输出电压: 1.24 V ~ 26 V
输入电压: 2 V ~ 26 V
电压 - 压降(标准): 0.4V @ 1.25A
稳压器数量: 1
电流 - 输出: 1.25A
工作温度: -40°C ~ 125°C
安装类型: 通孔
封装/外壳: TO-220-5
供应商设备封装: TO-220-5
包装: 管件
产品目录页面: 1096 (CN2011-ZH PDF)
其它名称: 576-1138
Micrel, Inc.
Typical Characteristics
MIC2940A/2941A
Dropout Voltage
Dropout Voltage
Dropout
500
vs. Output Current
1000
vs. Temperature
6
Characteristics
400
800
5
300
600
4
I LOAD = 5mA
3
200
400
2
100
200
I LOAD = 1.25A
1
I LOAD = 1.25A
0
0.00
0.25 0.50 0.75 1.00
OUTPUT CURRENT (A)
1.25
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
0
0
1 2 3 4 5
INPUT VOLTAGE (V)
6
Ground Current
Ground Current
Ground Current
40
vs. Output Current
400
vs. Supply Voltage
50
vs. Supply Voltage
10
300
40
30
200
1
20
100
FIXED 5V
I LOAD = 5mA
10
FIXED 3.3V DEVICE
I LOAD = 1.25A
0.1
11
0 100 1000
10A
10000
0
0
1
2 3 4 5 6 7
8
0
0
2 4 6 8
10
OUTPUT CURRENT (mA)
Ground Current
SUPPLY VOLTAGE (V)
Ground Current
INPUT VOLTAGE (V)
Ground Current
0.40
0.30
vs. Temperature
2.0
1.8
1.6
1.4
vs. Temperature
50
40
vs. Temperature
I LOAD = 1.25A
1.2
30
0.20
1.0
0.8
I LOAD = 100mA
20
0.10
I LOAD = 5mA
0.6
0.4
0.2
10
I LOAD = 100mA
0.00
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
Fixed 3.3V Output Voltage
0.0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
Short Circuit and Maximum
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
Ground Current
3.40
3.38
3.36
vs. Temperature
2.0
1.8
1.6
Current vs. Temperature
V OUT = V NOMINAL – 0.5V
1000
800
vs. Input Voltage
R LOAD = 100
3.34
3.32
3.30
1.4
1.2
1.0
600
400
3.28
3.26
3.24
3.22
0.8
0.6
0.4
0.2
V OUT = 0V
FIXED 3.3V
VERSION
3 SAMPLES
200
0
3.20
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
0.0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
-200
-30
-20 -10 0 10 20
INPUT VOLTAGE (V)
30
July 2007
5
M9999-071307
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