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MIC2128 Datasheet(PDF) 9 Page - Microchip Technology

Part # MIC2128
Description  75V, Synchronous Buck Controller Featuring Adaptive On-Time Control with External Soft Start
PDF  32 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MIC2128 Datasheet(HTML) 9 Page - Microchip Technology

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 2016 Microchip Technology Inc.
DS20005620A-page 9
MIC2128
Note:
Unless otherwise indicated, VVIN =12V, fSW =300 kHz, RILIM =1.5 k, L = 10 µH, VEXTVDD =VOUT, TA =+25°C
(refer to the Typical Application circuit).
FIGURE 2-19:
Efficiency vs. Output
Current (Input Voltage=12V).
FIGURE 2-20:
Efficiency vs. Output
Current (Input Voltage = 24V).
FIGURE 2-21:
Efficiency vs. Output
Current (Input Voltage = 36V).
FIGURE 2-22:
Efficiency vs. Output
Current (Input Voltage = 48V).
FIGURE 2-23:
Efficiency vs. Output
Current (Input Voltage = 60V).
FIGURE 2-24:
Efficiency vs. Output
Current (Input Voltage = 75V).
0
10
20
30
40
50
60
70
80
90
100
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
Output Current (A)
VOUT=5V
VOUT=3.3V
VOUT=2.5V
VOUT=1.8V
VOUT=1.5V
VOUT=1.2V
VOUT=1.0V
V
OUT = 3.3V
V
OUT = 5V
V
OUT = 2.5V
V
OUT = 1.8V
V
OUT = 1.5V
V
OUT = 1.2V
V
OUT = 1.0V
0
10
20
30
40
50
60
70
80
90
100
00.511.5
2
2.533.5
4
4.5
5
Output Current (A)
VOUT=5V
VOUT=3.3V
VOUT=2.5V
VOUT=1.8V
VOUT=1.5V
VOUT=1.2V
VOUT=1.0V
V
OUT = 3.3V
V
OUT = 5V
V
OUT = 2.5V
V
OUT = 1.8V
V
OUT = 1.5V
V
OUT = 1.2V
V
OUT = 1.0V
0
10
20
30
40
50
60
70
80
90
100
0
0.511.5
2
2.5
33.544.5
5
Output Current (A)
VOUT=5V
VOUT=3.3V
VOUT=2.5V
VOUT=1.8V
VOUT=1.5V
VOUT=1.2V
VOUT=1.0V
V
OUT = 3.3V
V
OUT = 5V
V
OUT = 2.5V
V
OUT = 1.8V
V
OUT = 1.5V
V
OUT = 1.2V
V
OUT = 1.0V
0
10
20
30
40
50
60
70
80
90
100
00.511.5
2
2.533.5
4
4.5
5
Output Current (A)
VOUT=5V
VOUT=3.3V
VOUT=2.5V
VOUT=1.8V
VOUT=1.5V
VOUT=1.2V
VOUT=1V
V
OUT = 3.3V
V
OUT = 5V
V
OUT = 2.5V
V
OUT = 1.8V
V
OUT = 1.5V
V
OUT = 1.2V
V
OUT = 1.0V
0
10
20
30
40
50
60
70
80
90
100
00.511.5
2
2.533.5
4
4.5
5
Output Current (A)
VOUT=5V
VOUT=3.3V
VOUT=2.5V
VOUT=1.8V
VOUT=1.5V
VOUT=1.2V
VOUT=1.0V
V
OUT = 3.3V
V
OUT = 5V
V
OUT = 2.5V
V
OUT = 1.8V
V
OUT = 1.5V
V
OUT = 1.0V
V
OUT = 1.2V
0
10
20
30
40
50
60
70
80
90
100
00.511.5
2
2.533.5
4
4.5
5
Output Current (A)
VOUT=5V
VOUT=3.3V
VOUT=2.5V
VOUT=1.8V
VOUT=1.5V
VOUT=1.2V
VOUT=1.0V
V
OUT = 5V
V
OUT = 2.5V
V
OUT = 1.8V
V
OUT = 1.5V
V
OUT = 1.2V
V
OUT = 1.0V
V
OUT = 3.3V



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