MIC22600 Datasheet, PDF (4/17 Pages) Micrel Semiconductor – 1MHz 6A Integrated Switch Synchronous Buck Regulator

Micrel, Inc.
Typical Characteristics
Shutdown Current
vs. Input Voltage
10
8
6
25°C
4
2
0
0123456
INPUT VOLTAGE (V)
Operating Current
vs. Temperature
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
V_IN = 3.3V
Not switching FB = 1V
0
TEMPERATURE (°C)
Enable Voltage
vs. Input Voltage
1.30
1.25
1.20
1.15
25°C
1.102
1100
1080
1060
1040
1020
1000
980
960
940
920
900
3
4
5
6
INPUT VOLTAGE (V)
Frequency
vs. Temperature
TEMPERATURE (°C)
September 2007
Shutdown Current
vs. Temperature
10
8
6
4
2
V_IN = 3.3V
0
TEMPERATURE (°C)
Reference Voltage
0.710
vs. Input Voltage
0.708
0.706
0.704
0.702
0.700
25°C
0.698
0.696
0.694
0.692
0.690
2
3
4
5
6
INPUT VOLTAGE (V)
Enable Voltage
vs. Temperature
1.30
1.25
1.20
1.15
1.10
TEMPERATURE (°C)
P-Channel RDS_ON
vs. Input Voltage
50
45
40
35
90°C
30
25
20
15
10
5
02 _{2.5 3 3.5 4 4.5 5 5.5}
INPUT VOLTAGE (V)
4
MIC22600
Operating Current
vs. Input Voltage
1.2
1.0
0.8
25°C
0.6
0.4
0.2
Not switching FB = 1V
02
3
4
5
6
INPUT VOLTAGE (V)
0.710
0.708
0.706
0.704
0.702
0.700
0.698
0.696
0.694
0.692
0.690
Reference Voltage
vs. Temperature
V_IN = 3.3V
TEMPERATURE (°C)
Enable Hystersis
vs. Temperature
24
20
16
12
V_IN - 5V
8
4
V_IN - 3V
0
TEMPERATURE (°C)
Output Voltage
vs. Ramp Control Voltage
2.0
1.8
1.6
V_IN - 5V
1.4
1.2
1.0
0.8
0.6
V_IN - 2.5V
0.4
0.2
00 _{0.2 0.4 0.6 0.8 1.0 1.2}
RAMP CONTROL VOLTAGE (V)
M9999-092007-A