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RT8288A Datasheet(PDF) 6 Page - Richtek Technology Corporation

Part # RT8288A
Description  4A, 21V 500kHz Synchronous Step-Down Converter
PDF  14 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8288A Datasheet(HTML) 6 Page - Richtek Technology Corporation

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RT8288A
6
DS8288A-03
June 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
1.200
1.205
1.210
1.215
1.220
1.225
1.230
1.235
1.240
00.5
11.522.5
33.5
4
Output Current (A)
VIN = 12V, VOUT = 1.22V, IOUT = 0A to 4A
Reference Voltage vs. Input Voltage
0.790
0.795
0.800
0.805
0.810
0.815
0.820
0.825
0.830
4
6
8
10
12
14
16
18
20
22
Input Voltage (V)
Reference Voltage vs. Temperature
0.76
0.77
0.78
0.79
0.80
0.81
0.82
0.83
0.84
-50
-25
0
25
50
75
100
125
Temperature (°C)
Typical Operating Characteristics
Switching Frequency vs. Temperature
350
375
400
425
450
475
500
525
550
-50-25
0
25
50
75100
125
Temperature (°C)
VIN = 12V, VOUT = 1.22V, IOUT = 1A
Switching Frequency vs. Input Voltage
350
375
400
425
450
475
500
525
550
4
6
8
10
12
14
16
18
20
22
Input Voltage (V)
VOUT = 1.22V, IOUT = 0.8A
Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
00.5
11.5
22.533.5
4
Output Current (A)
VIN = 12V
VIN = 21V
VOUT = 1.22V, IOUT = 0A to 4A



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