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RT7274 Datasheet(PDF) 13 Page - Richtek Technology Corporation

Part # RT7274
Description  2A, 18V, 700kHz ACOTTM Synchronous Step-Down Converter
PDF  22 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT7274 Datasheet(HTML) 13 Page - Richtek Technology Corporation

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RT7274/79/80/81
13
DS7274/79/80/81-01 February 2013
www.richtek.com
©
Copyright 2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
UVLO Threshold vs. Temperature
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4.0
-50
-25
0
25
50
75
100
125
Temperature (°C)
Falling
Rising
Enable Voltage vs. Temperature
1.0
1.1
1.2
1.3
1.4
1.5
1.6
-50
-25
0
25
50
75
100
125
Temperature (°C)
Falling
Rising
Switching Frequency vs. Input Voltage
630
640
650
660
670
680
690
700
46
8
10
12
14
16
18
Input Voltage (V)
VIN = 12V, VOUT = 1.05V, IOUT = 0.7A
Switching Frequency vs. Temperature
600
610
620
630
640
650
660
670
680
690
700
-50
-25
0
25
50
75
100
125
Temperature (°C)
VIN = 12V, VOUT = 1.05V, IOUT = 0.7A
Current Limit vs. Temperature
2.0
2.5
3.0
3.5
4.0
4.5
5.0
-50
-25
0
255075
100
125
Temperature (°C)
VIN = 12V, VOUT = 1.05V
RT7281
RT7280
RT7279
RT7274
Current Limit vs. Input Voltage
2.0
2.5
3.0
3.5
4.0
4.5
5.0
4
6
8
1012
1416
18
Input Voltage (V)
VIN = 12V, VOUT = 1.05V
RT7281
RT7280
RT7279
RT7274



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