MIC22601 Datasheet, PDF (4/18 Pages) Micrel Semiconductor – 4 MHz, 6A Integrated Switch Synchronous Buck Regulator

Micrel, Inc.
Typical Characteristics
Shutdown Current
vs. Input Voltage
10
9
8
7
6
5
4
3
2
1
T_A = 25°C
00 _{0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5}
INPUT VOLTAGE (V)
Quiescent Current
vs. Temperature
1.0
0.9 ^{Not Switching FB = 1V}
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
V = 3.3V
IN
0
1.3
1.28
1.26
1.24
1.22
1.2
1.18
1.16
1.14
1.12
1.21.5
TEMPERATURE (°C)
Enable Level
vs. Input Voltage
T = 25°C
A
3 3.5 4 4.5 5 5.5
INPUT VOLTAGE (V)
Switching Frequency
vs. Temperature
4.8
4.6
4.4
4.2
4.0
3.8
3.6
3.4
V = 3.3V
IN
3.2
TEMPERATURE (°C)
May 2009
Shutdown Current
vs. Temperature
10
9
8
7
6
5
4
3
2
1
V_IN = 3.3V
0
TEMPERATURE (°C)
0.710
0.708
0.706
0.704
0.702
0.700
0.698
0.696
0.694
0.692
0.6920.5
Reference Voltage
vs. Input Voltage
T = 25°C
A
3 3.5 4 4.5 5 5.5 6
INPUT VOLTAGE (V)
Enable Voltage
vs. Temperature
1.30
1.28
1.26
1.24
1.22
1.20
1.18
1.16
1.14
1.12
1.10
V = 5.5V
IN
TEMPERATURE (°C)
P-Channel RDS
ON
vs. Input Voltage
45
40
35
30
25
20
15
10
5
T = 90°C
CASE
0
2.5 3 3.5 4 4.5 5 5.5
INPUT VOLTAGE (V)
4
MIC22601
Quiescent Current
vs. Input Voltage
1.2
Not Switching FB = 1V
1.0
0.8
0.6
0.4
0.2
20.5
T_A = 25°C
3.0 3.5 4.0 4.5 5.0 5.5
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 = 3.3V
IN
TEMPERATURE (°C)
Switching Frequency
vs. Input Voltage
4.8
4.6
4.4
4.2
4
3.8
3.6
3.4
3.22.5
T = 25°C
CASE
3 3.5 4 4.5 5 5.5
INPUT VOLTAGE (V)
Output Voltage
vs V
2.0
RC
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
V = 1.8V
OUT
0
0 0.2 0.4 0.6 0.8 1
V_RC (V)
M9999-050509-A