mic4782 Micrel Semiconductor, mic4782 Datasheet - Page 6

• Manufacturer Part Number: mic4782
• Description: 1.8 Mhz Dual 2a Integrated Switch Buck Regulator
• Manufacturer: Micrel Semiconductor

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