MIC7401 Datasheet, PDF (15/68 Pages) Micrel Semiconductor – Configurable PMIC, Five-Channel Buck Regulator plus One-Boost with HyperLight Load®, I2C Control, and Enable

Micrel, Inc.
Typical Characteristics
Buck Efficiency (LDCR = 0mΩ)
vs. Output Current
100
90
80
70
60
50
40
30
0.0001
0.8V
1.0V
1.2V
1.5V
1.8V
0.001
0.01
V_IN = 3.3V
L = 2.2µH
T_A = 25°C
0.1
13
OUTPUT CURRENT (A)
Buck Efficiency (LDCR = 0mΩ)
vs. Output Current
100
90
80
70
60
50
40
30
0.0001
0.8V
1.0V
1.2V
1.5V
1.8V
2.5V
3.3V
V_IN = 5.0V
L = 2.2µH
T_A = 25°C
0.001
0.01
0.1
13
OUTPUT CURRENT (A)
MIC7401
Boost Efficiency (12V)
vs. Output Current
100
90
80
70
60
50
40
30
0.0001
L = 2.2µH
DCR = 116mΩ
SAMSUNG
3.3V
CIG22H2R2MNE
5.0V
T_A = 25°C
0.001
0.01
OUTPUT CURRENT (A)
0.1 0.2
Buck Efficiency (LDCR = 40mΩ)
vs. Output Current
100
90
80
70
60
50
40
30
0.0001
0.8V
1.0V
1.2V
1.5V
1.8V
V_IN = 5.0V
L = 1.0µH
DCR = 40mΩ
SAMSUNG
CIGW252010GM1R0MNE
T_A = 25°C
0.001
0.01
0.1
OUTPUT CURRENT (A)
13
Buck Efficiency (LDCR = 40mΩ)
vs. Output Current
100
90
80
70
60
50
40
30
0.0001
0.8V
1.0V
1.2V
1.5V
1.8V
2.5V
3.3V
V_IN = 5.0V
L = 1.0µH
DCR = 40mΩ
SAMSUNG
CIGW252010GM1R0MNE
T_A = 25⁰C
0.001
0.01
0.1
13
OUTPUT CURRENT (A)
Output Voltage
vs. Output Current
2.0%
1.5%
1.0%
V_IN = 3.3V
V_OUT4 = 1.05V
0.5%
0.0%
-0.5%
-1.0%
-1.5%
-2.0%
0.0001
-40°C
25°C
85°C
125°C
0.001 0.01
0.1
1
10
OUTPUT CURRENT (A)
Buck Efficiency (LDCR = 116mΩ)
vs. Output Current
100
90
80
70
60
50
40
30
0.0001
0.8V
1.0V
1.2V
1.5V
1.8V
0.001
V_IN = 3.3VL = 2.2µH
DCR = 116mΩ
SAMSUNG
CIG22H2R2MNE
T_A = 25°C
0.01
0.1
1
OUTPUT CURRENT (A)
Buck Efficiency (LDCR = 116mΩ)
vs. Output Current
100
90
80
70
60
V_IN = 5.0V
L = 2.2µH
50 _{DCR = 116mΩ}
SAMSUNG
40 ^CIG22H2R2MNE
T_A = 25°C
30
0.0001
0.001
0.01
0.8V
1.0V
1.2V
1.5V
1.8V
2.5V
3.3V
0.1
1
OUTPUT CURRENT (A)
Output Voltage
vs. Temperature
1.0%
0.5%
0.0%
-0.5%
V_IN = 3.3V
V_OUT4 = 1.05V
I_OUT4 = 2.5A
-1.0%
-50 -25 0
25 50 75 100 125
TEMPERATURE (°C)
March 16, 2015
15
Revision 1.0