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MIC2131 Datasheet(PDF) 6 Page - Micrel Semiconductor

Part # MIC2131
Description  High Voltage Synchronous Buck Control IC with Low EMI Option
PDF  20 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC2131 Datasheet(HTML) 6 Page - Micrel Semiconductor

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Micrel, Inc.
MIC2130/1
April 2008
6
M9999-042108-C
Typical Characteristics
3.4
5.4
3.6
3.8
4.0
4.2
4.8
5.0
5.2
Supply Current
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
4.4
4.6
24V
8V
12V
40V
42V
1.10
1.12
1.14
1.16
1.18
1.20
1.22
Enable Voltage On
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
0.94
0.96
0.98
1.00
1.02
1.04
1.06
1.08
1.10
1.12
1.14
Enable Voltage Off
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
0
100
200
300
400
500
600
700
800
Shutdown Current
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
24V
8V
12V
40V
42V
185
190
195
200
205
210
CS Current
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
24V
8V
12V
40V
42V
0.692
0.694
0.696
0.698
0.700
0.702
VFB
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
24V
8V
12V
40V
42V
4.82
4.84
4.86
4.88
4.90
4.92
4.94
4.96
4.98
AVDD
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
24V
8V
12V
40V
42V
0
0.05
0.10
0.15
0.20
0.25
0.30
PGOOD Low @ IPG = 1mA
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
0.605
0.606
0.607
0.608
0.609
0.610
0.611
0.612
PGOOD Threshold
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
80
82
84
86
88
90
92
94
96
98
Efficiency VOUT = 3.3V
@ +25°C
4 567
OUTPUT CURRENT (A)
30V
20V
24V
12V
10V
8V
40V
110
115
120
125
130
135
140
145
150
155
160
165
170
Dithered (Spread) Frequency
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
125
130
135
140
145
150
155
Switch Frequency
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
VCOMP>2.1V
VCOMP=1.5V
VCOMP=2.1V
VCOMP=1.1V



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