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VLF10045 Datasheet(PDF) 7 Page - Richtek Technology Corporation

Part # VLF10045
Description  3A, 36V, 500kHz Synchronous Step-Down Converter
PDF  15 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

VLF10045 Datasheet(HTML) 7 Page - Richtek Technology Corporation

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RT7272B
7
DS7272B-01
January 2013
www.richtek.com
Copyright
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
©
Typical Operating Characteristics
Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0
0.5
1
1.5
2
2.5
3
Output Current (A)
VIN = 4.5V
VIN = 12V
VIN = 24V
VIN = 36V
VOUT = 3.3V
Reference vs. Temperature
0.790
0.795
0.800
0.805
0.810
-50
-25
0
25
50
75
100
125
Temperature (°C)
VOUT = 3.3V, IOUT = 0.3A
VIN = 4.5V
VIN = 12V
VIN = 24V
VIN = 36V
Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
Output Current (A)
VOUT = 3.3V
VIN = 4.5V
VIN = 12V
VIN = 24V
VIN = 36V
Output Voltage vs. Output Current
3.29
3.30
3.31
3.32
3.33
3.34
3.35
3.36
3.37
3.38
00.5
11.5
22.5
3
Output Current (A)
VOUT = 3.3V, IOUT = 0.1A to 3A
VIN = 4.5V
VIN = 12V
VIN = 24V
VIN = 36V
Switching Frequency vs. Input Voltage
450
455
460
465
470
475
480
485
490
495
500
4
8
12
16
20
24
28
32
36
Input Voltage (V)
VOUT = 3.3V, IOUT = 0.3A
Reference Voltage vs. Input Voltage
0.790
0.793
0.795
0.798
0.800
0.803
0.805
0.808
0.810
2
9.6
17.2
24.8
32.4
40
Input Voltage(V)
VIN = 4.5V to 36V, VOUT = 3.3V, IOUT = 0.3A



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