参数资料
型号: MIC2176-1YMM TR
厂商: Micrel Inc
文件页数: 7/31页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 10-MSOP
标准包装: 2,500
系列: Hyper Speed Control™
PWM 型: 混合物
输出数: 1
频率 - 最大: 125kHz
占空比: 96%
电源电压: 4.5 V ~ 75 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 带卷 (TR)
Micrel, Inc.
Typical Characteristics (Continued)
MIC2176
V DD Operating Supply Current
V DD Shutdown Current
V DD UVLO Threshold
10
vs. Temperature
1
vs. Temperature
4.2
vs. Temperature
Rising
8
0.8
4.0
3.8
6
MIC2176-2
0.6
3.6
4
V IN = 48V
V OUT = 3.3V
0.4
V IN = 48V
I OUT = 0A
3.4
2
I OUT = 0A
V DD = 5V
SWITCHING
0.2
V DD = 5V
V EN = 0V
3.2
Falling
V IN = 48V
0
-50
-20
10
40
70
100
130
0
-50
-20
10
40
70
100
130
3.0
-50
-20
10
40
70
100
130
22
20
18
TEMPERATURE (°C)
V IN Operating Supply Current
vs. Temperature
30
25
20
TEMPERATURE (°C)
V IN Shutdown Current
vs. Temperature
20
15
TEMPERATURE (°C)
Current Limit
vs. Temperature
16
MIC2176-2
15
10
V IN = 48V
14
12
V OUT = 3.3V
I OUT = 0A
V DD = 5V
SWITCHING
10
5
V IN = 48V
V DD = 5V
I OUT = 0A
5
V IN = 48V
V OUT = 3.3V
V DD = 5V
10
-50
-20
10
40
70
100
130
0
-50
-20
10
40
70
100
130
0
-50
-20
10
40
70
100
130
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
0.808
0.806
0.804
0.802
Feedback Voltage
vs. Temperature
V IN = 48V
V OUT = 3.3V
I OUT = 0A
V DD = 5V
1.0%
0.8%
0.6%
Load Regulation
vs. Temperature
V IN = 48V
V OUT = 3.3V
V DD = 5V
I OUT = 0A to 5A
1.0%
0.8%
0.6%
Line Regulation
vs. Temperature
V IN = 6V to 70V
V OUT = 3.3V
I OUT = 0A
V DD = 5V
0.800
0.798
0.796
0.794
0.792
0.4%
0.2%
0.0%
-0.2%
0.4%
0.2%
0.0%
-0.2%
-50
-20
10
40
70
100
130
-50
-20
10
40
70
100
130
-50
-20
10
40
70
100
130
240
TEMPERATURE (°C)
Switching Frequency
vs. Temperature
MIC2176-1
100
TEMPERATURE (°C)
EN Bias Current
vs. Temperature
TEMPERATURE (°C)
220
V IN = 48V
V OUT = 3.3V
I OUT = 0A
V DD = 5V
80
60
200
40
180
160
20
0
V IN = 48V
V EN = 0V
V DD = 5V
-50
-20
10
40
70
100
130
-50
-20
10
40
70
100
130
TEMPERATURE (°C)
TEMPERATURE (°C)
November 2010
7
M9999-111710-A
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