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RT7247C Datasheet(PDF) 7 Page - Richtek Technology Corporation

Part # RT7247C
Description  2A, 18V, 800kHz 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

RT7247C Datasheet(HTML) 7 Page - Richtek Technology Corporation

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RT7247C
7
DS7247C-02
September 2012
www.richtek.com
©
Copyright
2012 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Output Voltage vs. Output Current
3.20
3.22
3.24
3.26
3.28
3.30
3.32
3.34
3.36
3.38
3.40
0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
Output Current (A)
VIN = 12V
VIN = 17V
VOUT = 3.3V
Typical Operating Characteristics
Switching Frequency vs. Temperature
720
730
740
750
760
770
780
790
800
-50
-25
0
25
50
75
100
125
Temperature (°C)
VIN = 17V
VIN = 12V
VIN = 4.5V
VOUT = 3.3V, IOUT = 0A
Output Voltage vs. Temperature
3.26
3.27
3.28
3.29
3.30
3.31
3.32
3.33
3.34
-50-25
0
25
50
75100
125
Temperature (°C)
VIN = 12V, VOUT = 3.3V
Switching Frequency vs. Input Voltage
740
750
760
770
780
790
800
810
820
4
6
8
10
1214
1618
Input Voltage (V)
VIN = 4.5V to 17V, VOUT = 3.3V, IOUT = 0A
Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
00.5
11.5
2
Output Current (A)
VIN = 4.5V
VIN = 12V
VIN = 17V
VOUT = 3.3V
Output Voltage vs. Input Voltage
3.26
3.27
3.28
3.29
3.30
3.31
3.32
3.33
3.34
4
6
8
10
1214
1618
Input Voltage (V)
VIN = 4.5V to 17V



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