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RT7232 Datasheet(PDF) 8 Page - Richtek Technology Corporation

Part # RT7232
Description  4A, 18V, 650kHz, ACOTTM Synchronous Step-Down Converter
PDF  18 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT7232 Datasheet(HTML) 8 Page - Richtek Technology Corporation

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RT7231/32/33/34
8
DS7231/32/33/34-00
March 2013
www.richtek.com
©
Copyright
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Typical Operating Characteristics
Output Voltage vs. Output Current
1.00
1.01
1.02
1.03
1.04
1.05
1.06
1.07
1.08
1.09
1.10
0
0.5
1
1.5
2
2.5
3
3.5
4
Output Current (A)
VIN = 18V
VIN = 12V
VIN = 5V
VOUT = 1.05V
RT7232/34
Output Voltage vs. Output Current
1.00
1.01
1.02
1.03
1.04
1.05
1.06
1.07
1.08
1.09
1.10
0
0.5
1
1.5
2
2.5
3
3.5
4
Output Current (A)
VIN = 18V
VIN = 12V
VIN = 5V
VOUT = 1.05V
RT7231/33
Feedback Threshold Voltage vs. Temperature
0.750
0.755
0.760
0.765
0.770
0.775
0.780
-50
-25
0
25
50
75
100
125
Temperature (°C)
VIN = 12V, VOUT = 1.05V, IOUT = 0A
Output Voltage vs. Input Voltage
1.040
1.042
1.044
1.046
1.048
1.050
1.052
1.054
1.056
1.058
1.060
4
6
8
1012
1416
18
Input Voltage (V)
VIN = 4.5V to 18V, VOUT = 1.05V
Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0.001
0.01
0.1
1
10
Output Current (A)
VIN = 5V
VIN = 12V
VIN = 18V
VOUT = 1.05V
RT7231/33
Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0.001
0.01
0.1
1
10
Output Current (A)
VIN = 5V
VIN = 12V
VIN = 18V
VOUT = 1.05V
RT7232/34



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