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参数资料
| 型号： | MIC2937A-12BT |
| 厂商： | Micrel Inc |
| 文件页数： | 6/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 12V .75A TO-220-3 |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 12V |
| 输入电压： | 最高 26V |
| 电压 - 压降（标准）： | 0.37V @ 750mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 750mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-3 |
| 供应商设备封装： | TO-220-3 |
| 包装： | 管件 |
MIC2937A/29371/29372
Typical Characteristics
Micrel, Inc.
500
400
300
200
100
Dropout Voltage
vs. Output Current
700
600
500
400
300
200
100
Dropout Voltage
vs. Temperature
I LOAD = 750mA
6
5
4
3
2
1
Dropout
Characteristics
I LOAD = 5mA
I LOAD = 750mA
0
0
200 400 600
OUTPUT CURRENT (mA)
800
0
-60 -30 0 30 60 90 120 150
(
TEMPERATURE °C)
0
0
1 2 3 4 5
INPUT VOLTAGE (V)
6
30
Ground Current
vs. Output Current
200
Ground Current
vs. Supply Voltage
30
Ground Current
vs. Supply Voltage
10
150
100
25
20
15
1
50
FIXED 5V VERSION
I LOAD = 5mA
10
5
FIXED 5V
I LOAD = 750mA
0.1
1
10 100 1000
OUTPUT CURRENT (mA)
0
0
1
2 3 4 5 6 7
SUPPLY VOLTAGE (V)
8
0
0
2 4 6 8
INPUT VOLTAGE (V)
10
0.25
0.20
0.15
0.10
0.05
Ground Current
vs. Temperature
I LOAD = 5mA
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
Ground Current
vs. Temperature
I LOAD = 100mA
30
25
20
15
10
5
Ground Current
vs. Temperature
I LOAD = 750mA
0.00
-60 -30 0 30 60 90 120 150
(
TEMPERATURE °C)
0.0
-60 -30 0 30 60 90 120 150
(
TEMPERATURE °C)
0
-60 -30 0 30 60 90 120 150
(
TEMPERATURE °C)
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
Fixed 3.3V Output Voltage
vs. Temperature
1.4
1.2
1.0
0.8
0.6
0.4
0.2
Short Circuit and Maximum
Current vs. Temperature
V OUT = V NOMINAL – 0.5V
V OUT = 0V
FIXED 5V
VERSION
500
400
300
200
100
0
Ground Current
vs. Input Voltage
R LOAD = 100?
3.20
-60 -30 0 30 60 90 120 150
(
TEMPERATURE °C)
MIC2937A/29371/29372
0.0
-60 -30 0 30 60 90 120 150
(
TEMPERATURE °C)
6
-100
-30 -20 -10 0 10 20
INPUT VOLTAGE (V)
30
May 2006
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