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LM2574 Datasheet(PDF) 6 Page - Micrel Semiconductor

Part # LM2574
Description  52kHz Simple 0.5A Buck Regulator
Download  5 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

LM2574 Datasheet(HTML) 6 Page - Micrel Semiconductor

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LM2574
Micrel
M9999-122303
6
December 2003
Typical Performance Characteristics (continued)
Normalized
Feedback Voltage*
JUNCTION TEMPERATURE (˚C)
25
20
15
10
5
0
-5
-10
-15
-20
-25
-75 -50 -25 0
25 50 75 100 125 150
VIN = 12V
ILOAD = 100mA
Normalized to TJ = 25˚C
Feedback Voltage
vs Duty Cycle*
DUTY CYCLE (%)
20
15
10
5
0
-5
-10
-15
-20
ILOAD = 100 mA
VIN = 40V
VIN = 7V
0
20
40
60
80
100
* Adjustable version only


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