RT7235/36/39/40
Typical Operating Characteristics
Efficiency vs. Output Current
Efficiency vs. Output Current
100
100
90
80
70
60
50
40
30
20
10
0
RT7235/39
90
RT7236/40
80
70
60
VIN = 5V
VIN = 12V
VIN = 18V
50
VIN = 5V
VIN = 12V
VIN = 18V
40
30
20
10
0
VOUT = 1.05V
10
VOUT = 1.05V
10
0.001
0.01
0.1
1
0.001
0.01
0.1
1
Output Current (A)
Output Current (A)
Feedback Threshold Voltage vs. Temperature
Output Voltage vs. Input Voltage
0.780
1.060
1.058
1.056
1.054
1.052
1.050
1.048
1.046
1.044
1.042
1.040
0.775
0.770
0.765
0.760
0.755
VIN = 4.5V to 18V, VOUT = 1.05V
10 12 14 16 18
VIN = 12V, VOUT = 1.05V, IOUT = 0A
0.750
-50
-25
0
25
50
75
100
125
4
6
8
Input Voltage (V)
Temperature (°C)
Output Voltage vs. Output Current
Output Voltage vs. Output Current
1.10
1.09
1.08
1.07
1.06
1.05
1.04
1.03
1.02
1.01
1.00
1.10
1.09
1.08
1.07
1.06
1.05
1.04
1.03
1.02
1.01
1.00
RT7235/39
RT7236/40
VIN = 18V
VIN = 12V
VIN = 5V
VIN = 18V
VIN = 12V
VIN = 5V
VOUT = 1.05V
3.5 4.5
VOUT = 1.05V
4.5 5
0
0.5
1
1.5
2
2.5
3
4
5
0
0.5
1
1.5
2
2.5
3
3.5
4
Output Current (A)
Output Current (A)
Copyright 2017 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS7235/36/39/40-08 January 2017
www.richtek.com
9
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