RT2660
Typical Operating Characteristics
Efficiency vs. Output Current
Output Voltage vs. Input Voltage
95
0.63
0.62
0.61
0.60
0.59
0.58
0.57
90
85
80
IOUT = 0A
IOUT = 100mA
IOUT = 3A
VIN = 2.5V
IOUT = 6A
75
VIN = 1.2V
70
65
60
55
50
45
40
PWM = 1MHz, VPP = 2.5V, VOUT = 0.603V
4.75 5.25 5.5
VOUT = 0.603V
5
0
1
2
3
4
6
4.5
5
Output Current (A)
Input Voltage (V)
Current Limit vs. V5IN
Output Voltage vs. Output Current
10
9
0.615
0.610
0.605
0.600
0.595
0.590
0.585
8
7
VIN = 2.5V
VIN = 1.2V
6
5
VOUT = 0.603V
5 6
VOUT = 0.603V, Valley
5.1 5.2 5.3 5.4 5.5
4
4.5 4.6 4.7 4.8 4.9
5
0
1
2
3
4
V5IN (V)
Output Current (A)
Frequency vs. Output Current
Frequency vs. Temperature
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
VIN = 2.5V, VOUT = 0.603V, IOUT = 0A to 6A
VIN = 2.5V, VOUT = 0.603V, F = 1MHz
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
-50
-25
0
25
50
75
100
125
Output Current (A)
Temperature (°C)
Copyright 2018 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS2660-01 March 2018
www.richtek.com
11
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