MIC2130 Datasheet, PDF (6/20 Pages) Micrel Semiconductor – High Voltage Synchronous Buck Control IC with Low EMI Option

Micrel, Inc.
Typical Characteristics
Supply Current
vs. Temperature
5.4
5.2
5.0
4.8
4.6
4.4
4.2
24V
40V _42V
4.0
3.8 _12V
3.6
8V
3.4
20 40 60 80
TEMPERATURE (°C)
Shutdown Current
vs. Temperature
800
700
600
40V
500
42V
400
300
24V
200 12V
100
0 ^8V
20 40 60 80
TEMPERATURE (°C)
AV_DD
vs. Temperature
4.98
4.96
4.94 ^40V
42V
4.92
4.90 ^12V
24V
8V
4.88
4.86
4.84
4.82
20 40 60 80
TEMPERATURE (°C)
Efficiency V_OUT = 3.3V
@ +25°C
98
96 ^12V
8V
94
92
20V
10V
90
88
86
30V
24V
84
82
40V
80
4567
OUTPUT CURRENT (A)
April 2008
Enable Voltage On
vs. Temperature
1.22
1.20
1.18
1.16
1.14
1.12
1.10
20 40 60 80
TEMPERATURE (°C)
CS Current
vs. Temperature
210
24V
205
42V
200
40V
195 12V
190 ^8V
185
20 40 60 80
TEMPERATURE (°C)
P_GOOD Low @ I_PG = 1mA
vs. Temperature
0.30
0.25
0.20
0.15
0.10
0.05
0
20 40 60 80
TEMPERATURE (°C)
Dithered (Spread) Frequency
vs. Temperature
170
165
160
155
150
145
140
135
130
125
120
115
110
20 40 60 80
TEMPERATURE (°C)
6
MIC2130/1
1.14
1.12
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.702
0.700
0.698
0.696
Enable Voltage Off
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
V_FB
vs. Temperature
8V _24V
42V
12V
40V
0.694
0.692
20 40 60 80
TEMPERATURE (°C)
0.612
0.611
0.610
0.609
0.608
0.607
0.606
0.605
P_GOOD Threshold
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
Switch Frequency
vs. Temperature
155
V_COMP=1.1V
150
V_COMP=1.5V
145
140
V_COMP=2.1V
135
V_COMP>2.1V
130
125
20 40 60 80
TEMPERATURE (°C)
M9999-042108-C