MIC24045 Datasheet, PDF (9/46 Pages) Microchip Technology – I2C Programmable, 4.5V-19V Input, 5A Step-Down Converter

MIC24045
Note: Unless otherwise indicated, V_IN = 12V, f_S = 660 kHz, I_LIM = I_{LIM_LS3}, L = 2.2 µH, T_A = +25°C.
1.802
1.801
1.8
1.799
1.798
1.797
1.796
-40 -25 -10
V_OUT = 1.8V
I_OUT = 0 mA
f_s = 660 kHz
5 20 35 50 65 80 95 110 125
Temperature (°C)
FIGURE 2-7:
Temperature.
OUTSNS Voltage vs.
60
50
High Side
40
30
Low Side
20
10
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
FIGURE 2-10:
R_DS(on) vs. Temperature.
3.305
3.304
3.303
3.302
3.301
3.3
3.299
3.298
3.297
-40 -25 -10
5 20 35 50 65
Temperature (°C)
V_OUT = 3.3V
I_OUT = 0 mA
f_s = 660 kHz
80 95 110 125
FIGURE 2-8:
OUTSNS Voltage
vs.Temperature.
1.5
1.4
1.3
1.2
1.1
1
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
FIGURE 2-11:
Error Amplifier
Transconductance vs. Temperature.
5.014
5.013
5.012
5.011
5.01
5.009
5.008
5.007
5.006
5.005
5.004
5.003
5.002
5.001
-40 -25 -10
5 20 35 50 65
Temperature (°C)
V_OUT = 5.0V
I_OUT = 0 mA
f_s = 660 kHz
80 95 110 125
FIGURE 2-9:
OUTSNS Voltage
vs.Temperature.
600
400
Sinking
200
0
-200
-400
Sourcing
-600
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
FIGURE 2-12:
Error Amplifier Output
Current vs. Temperature.
 2016 Microchip Technology Inc.
DS20005568A-page 9