MIC24053 Datasheet, PDF (12/32 Pages) Micrel Semiconductor – 12V, 9A High-Efficiency Buck Regulator

MIC24053
14
12
1.8V
10
8
3.3V
6
4
VIN = 5V
2 ^{VOUT = 1.8, 2.5, 3.3V}
0
-50 -25
0
25 50 75 100 125
AMBIENT TEMPERATURE (°C)
FIGURE 2-31:
Thermal Derating vs.
Ambient Temperature (Note 1).
14
12
0.8V
10
8
1.8V
6
4 _{VIN = 12V}
2 ^{VOUT = 0.8, 1.2, 1.8V}
0
-50 -25
0
25 50 75 100 125
AMBIENT TEMPERATURE (°C)
FIGURE 2-32:
Thermal Derating vs.
Ambient Temperature (Note 1).
14
12
2.5V
10
5V
8
6
4 _{VIN = 12V}
2 ^{VOUT = 2.5, 3.3, 5V}
0
-50 -25
0
25 50 75 100 125
AMBIENT TEMPERATURE (°C)
FIGURE 2-33:
Thermal Derating vs.
Ambient Temperature (Note 1).
V_IN
(10V/div)
V_SW
(10V/div)
V_OUT
(2V/div)
I_L
(10A/div)
FIGURE 2-34:
V_IN = 12V
V_OUT = 1.8V
I_OUT = 9A
Time (2ms/div)
V_IN Soft Turn-On.
V_IN
(10V/div)
V_SW
(10V/div)
V_OUT
(2V/div)
I_L
(10A/div)
FIGURE 2-35:
V_IN = 12V
V_OUT = 1.8V
I_OUT = 9A
Time (1ms/div)
V_IN Soft Turn-Off.
V_EN
(2V/div)
V_OUT
(1V/div)
I_L
(10A/div)
FIGURE 2-36:
Rise Time.
V_IN = 12V
V_OUT = 1.8V
I_OUT = 9A
Time (1ms/div)
Enable Turn-On Delay and
DS20005668A-page 12
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