参数资料
型号: MIC59300-1.2WU TR
厂商: Micrel Inc
文件页数: 6/15页
文件大小: 0K
描述: IC REG LDO 1.2V 3A TO263-5
标准包装: 750
稳压器拓扑结构: 正,固定式
输出电压: 1.2V
输入电压: 最高 3.8V
电压 - 压降(标准): 0.205V @ 3A
稳压器数量: 1
电流 - 输出: 3A
电流 - 限制(最小): 3.3A
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: TO-263-6,D²Pak(5 引线+接片),TO-263BA
供应商设备封装: TO-263-5
包装: 带卷 (TR)
Micrel, Inc.
Typical Characteristics
MIC59300
Power Supply
Power Supply
Dropout Voltage
90
Rejection Ratio (V IN )
90
Rejection Ratio (V BIAS )
220
(V IN )
80
70
60
50
40
80
70
60
50
40
200
180
160
140
120
100
V IN = 1.8V
V OUT = 1V
I OUT = 1.5A
0.01
0.1 1 10 100
V IN = 1.8V
V OUT = 1V
I OUT = 1.5A
0.01
0.1 1 10 100
1.5
30 V BIAS = 3.3V
20
10
0
1000
30 V BIAS = 3.3V
20
10
0
1000
80
60
40
20
0
V BIAS = 3.3V
V OUT = 1V
1.8 2.1 2.4 2.7
3
FREQUENCY (kHz)
Dropout Voltage
FREQUENCY (kHz)
Dropout Voltage vs.
OUTPUT CURRENT (A)
Dropout Voltage vs.
1.2
(V BIAS )
350
Temperature (V IN )
1.2
Temperature (V BIAS )
1
0.8
0.6
300
250
200
150
1
0.8
0.6
0.4
0.2
V IN = 3V
V OUT = 2.5V
100
50
V BIAS = 5.5V
V OUT = 3.45V
I OUT = 3A
0.4
0.2
V IN = 3.8V
V OUT = 3.45V
I OUT = 3A
0
OUTPUT CURRENT (A)
Dropout Characteristics
0
TEMPERATURE (°C)
Load Regulation
0
TEMPERATURE (°C)
Bias Current
0
V IN = 1.5V
V OUT = 0.5V
I =3.0A
50
30 I =1.5A
3
2.5
2
1.5
1
0.5
0
1
(V BIAS )
10mA
3A
V IN = 3V
V OUT = 2.5V
2 3 4 5
1.010
1.009
1.008
1.007
1.006
1.005
1.004
1.003
1.002
1.001
1.000
0.999
0.998
0.997
0.996
0.995
V BIAS = 3.3V
V IN = 1.5V
V OUT = 1V
vs. Temperature
70
V BIAS = 3V
60
OUT
40
OUT
20
10 I OUT =100mA
0
BIAS VOLTAGE (V)
Bias Current
OUTPUT CURRENT (A)
Ground Current
TEMPERATURE (°C)
Feedback Voltage
35
vs. Output Current
1.5
vs. Bias Voltage
0.504
vs. Input Voltage
3
1.5
30
25
20
15
10
5
0
V BIAS = 3V
V IN = 1.5V
V OUT = 0.5V
OUTPUT CURRENT (A)
1.4
1.3
1.2
1.1
1
0.9
V IN = 1.8V
V OUT = 1V
3.5 4 4.5 5
BIAS VOLTAGE (V)
5.5
0.503
0.502
0.501
0.500
0.499
0.498
0.497
0.496
V BIAS = 3.3V
V OUT = 1V
1.9 2.3 2.7 3.1 3.5
INPUT VOLTAGE (V)
3.9
January 2009
6
M9999-010809-A
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