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LPS4012 Datasheet(PDF) 7 Page - Microchip Technology

Part # LPS4012
Description  24V Input, 1A/2A Output, High Efficiency Synchronous Buck Regulator with Power Good Indication
PDF  34 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LPS4012 Datasheet(HTML) 7 Page - Microchip Technology

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© 2011 Microchip Technology Inc.
DS22285A-page 7
MCP16321/2
2.0
TYPICAL PERFORMANCE CURVES
Note:
Unless otherwise indicated, VIN = 12V, EN = Floating (Internally pulled up), CIN =20 µF, COUT =2x22 µF,
L = 4.7 µH (XAL6060-472MEB), ILOAD =200 mA, TA =+25°C. MCP16321 maximum output current = 1A.
FIGURE 2-1:
5V VOUT Efficiency vs. IOUT.
FIGURE 2-2:
3.3V VOUT Efficiency vs.
IOUT.
FIGURE 2-3:
2.5V VOUT Efficiency vs.
IOUT.
FIGURE 2-4:
1.8V VOUT Efficiency vs.
IOUT.
FIGURE 2-5:
1.5V VOUT Efficiency vs.
IOUT.
FIGURE 2-6:
0.9V VOUT Efficiency vs.
IOUT.
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
50
55
60
65
70
75
80
85
90
95
100
0.0
0.4
0.8
1.2
1.6
2.0
I
OUT (A)
V
IN = 6V
V
IN = 24V
V
IN = 18V
V
IN = 12V
V
OUT = 5V
50
55
60
65
70
75
80
85
90
95
0
0.4
0.8
1.2
1.6
2
I
OUT (A)
V
IN = 24V
V
IN = 6V
V
IN = 18V
V
IN = 12V
V
OUT = 3.3V
40
50
60
70
80
90
100
0
0.4
0.8
1.2
1.6
2
I
OUT (A)
V
IN = 24V
V
IN = 6V
V
IN = 18V
V
IN = 12V
V
OUT = 2.5V
40
50
60
70
80
90
100
0
0.4
0.8
1.2
1.6
2
I
OUT (A)
V
IN = 6V
V
IN = 18V
V
IN = 12V
V
OUT = 1.8V
40
45
50
55
60
65
70
75
80
85
90
0
0.4
0.8
1.2
1.6
2
I
OUT (A)
V
IN = 6V
V
IN = 18V
V
OUT = 1.5V
V
IN = 12V
40
50
60
70
80
90
100
0
0.4
0.8
1.2
1.6
2
I
OUT (A)
V
IN = 10V
V
IN = 6V
V
IN = 8V
V
OUT = 0.9V



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