MIC4782 Datasheet, PDF (6/23 Pages) Micrel Semiconductor – 1.8 MHz Dual 2A Integrated Switch Buck Regulator

Micrel, Inc.
Typical Characteristics (continue)
Feedback Voltage
0.6080
0.6078
0.6076
0.6074
0.6072
0.6070
0.6068
0.6066
0.6064
0.6062
0.6060
3
3.6
4.2
4.8
5.4
6
SUPPLY VOLTAGE (V)
0.610
0.609
0.608
0.607
0.606
0.605
0.604
0.603
0.602
0.601
0.600
-20
Feedback Voltage
vs. Temperature
0 20 40 60 80 100 120
TEMPERATURE (°C)
Feedback Voltage
vs. Supply Voltage
0.8
Quiescent Current
vs. Supply Voltage
1.6
0.6
1.2
0.4
0.8
0.2
0.4
0.0
0
1
2
3
4
5
6
SUPPLY VOLTAGE (V)
Rdson
vs. Temperature
200
190
180
170
160
150
140
130
120
-20 0 20 40 60 80 100 120
TEMPERATURE (°C)
0.0
0
1
2
3
4
5
6
SUPPLY VOLTAGE (V)
Enable Threshold
vs. Supply Voltage
1.20
1.00
0.80
0.60
0.40
0.20
0.00
3
3.6
4.2
4.8
5.4
6
SUPPLY VOLTAGE (V)
MIC4782
Frequency
vs. Temperature
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
-20 0 20 40 60 80 100 120
TEMPERATURE (°C)
190
180
170
160
150
140
130
120
110
3
Rdson
vs. Supply Voltage
3.6
4.2
4.8
5.4
6
SUPPLY VOLTAGE (V)
Enable Threshold
vs. Temperature
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-20 0 20 40 60 80 100 120
TEMPERATURE (°C)
August 2009
6
M9999-081709-D