参数资料
型号: MIC28500 2A EV
厂商: Micrel Inc
文件页数: 9/29页
文件大小: 0K
描述: BOARD EVAL FOR MIC28500 2A
标准包装: 1
系列: Hyper Speed Control™,SuperSwitcher II™
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 12V
电流 - 输出: 2A
输入电压: 30 ~ 75V
稳压器拓扑结构: 降压
频率 - 开关: 250kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: MIC28500
其它名称: 576-4019
Micrel, Inc.
Typical Characteristics (Continued)
MIC28500
Die Temperature* (V IN = 30V)
Die Temperature* (V IN = 48V)
Die Temperature* (V IN = 75V)
80
vs. Output Current
80
vs. Output Current
100
vs. Output Current
60
40
60
40
80
60
20
0
0
V IN = 30V
V OUT = 3.3V
V DD = 5V
f SW = 250kHz
1 2 3
OUTPUT CURRENT (A)
4
20
0
0
V IN = 48V
V OUT = 3.3V
V DD = 5V
f SW = 250kHz
1 2 3
OUTPUT CURRENT (A)
4
40
20
0
0
V IN = 75V
V OUT = 3.3V
V DD = 5V
f SW = 250kHz
1 2 3
OUTPUT CURRENT (A)
4
Efficiency (V IN = 30V)
Efficiency (V IN = 48V)
Efficiency (V IN = 75V)
100
vs. Output Current
100
vs. Output Current
100
vs. Output Current
90
80
70
60
50
V IN = 30V
f SW = 250kHz
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
0.8V
90
80
70
60
50
40
30
V IN = 48V
f SW = 250kHz
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
0.8V
90
80
70
60
50
40
30
V IN = 75V
f SW = 250kHz
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
0.8V
40
20
20
30
0
1
2
3
4
5
6
10
0
1
2
3
4
5
6
10
0
1
2
3
4
5
6
4
OUTPUT CURRENT (A)
Thermal Derating
4
OUTPUT CURRENT (A)
Thermal Derating
4
OUTPUT CURRENT (A)
Thermal Derating
3
2
V OUT = 5V
V OUT = 3.3V
V IN = 48V
f SW =250kHz
L=10uH
T j_MAX =125°C
V OUT = 2.5V
3
2
V OUT = 1.2V
V IN = 48V
f SW =250kHz
L=10uH
T j_MAX =125°C
V OUT = 0.8V
3
2
V IN = 48V
V OUT = 12V
f SW =250kHz
L=33 μ H
T j_MAX =125°C
1
1
1
0
25
40
55
70
85
100
0
25
40
55
70
85
100
0
25
40
55
70
85
100
Maximum Ambient Temperature (°C)
Maximum Ambient Temperature (°C)
Maximum Ambient Temperature (°C)
Die Temperature* : The temperature measurement was taken at the hottest point on the MIC28500 case mounted on a 5 square inch 4 layer, 0.62”,
FR-4 PCB with 2oz. finish copper weight per layer, see Thermal Measurement section. Actual results will depend upon the size of the PCB, ambient
temperature and proximity to other heat emitting components.
June 2011
9
M9999-060311-B
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