MIC22200 Datasheet, PDF (6/22 Pages) Micrel Semiconductor – 2A Integrated Switch Synchronous Buck Regulator with Frequency Programmable from 800kHz to 4MHz

Micrel, Inc.
Typical Characteristics (Continued)
Channel RDSON
vs. Temperature
225
215
205
195
185
175
165
155
145
02 55 07 5 100 125
TEMPERATURE (°C)
Frequency
vs. CF
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
CF CAPICITOR (pF)
Channel RDSON
vs. Temperature
140
135
130
125
120
115
110
105
100
95
90
02 55 07 5 100 125
TEMPERATURE (°C)
Efficiency VOUT=1.8V
100
95 ^{VIN = 3.3V}
90
85
V_IN = 5.0V
80
75
70
65
600
0.5
1
1.5
2
OUTPUT CURRENT (A)
MIC22200
Efficiency VOUT=3.3V
100
95
90
85
80
75
V_IN = 5V
700
0.5
1
1.5
2
OUTPUT CURRENT (A)
Efficiency VOUT=1.2V
100
95
V_IN = 3.3V
90
85
80
V_IN = 5.0V
75
70
65
600
0.5
1
1.5
2
OUTPUT CURRENT (A)
December 2010
6
M9999-120310-C