MAX15003 Datasheet, PDF (5/32 Pages) Maxim Integrated Products – Triple-Output Buck Controller with Tracking/Sequencing

Triple-Output Buck Controller with
Tracking/Sequencing
Typical Operating Characteristics
(Figure 8, V_IN = 12V, C_REG = 2.2µF, T_A = +25°C, unless otherwise noted.)
CONVERTER 1 EFFICIENCY
vs. LOAD CURRENT
100
V_IN = 6V
90
80
V_IN = 12V
V_IN = 16V
70
60
50
40
0.1
V_OUT1 = 3.3V
f_SW = 600kHz
1
10
LOAD CURRENT (A)
CONVERTER 2 EFFICIENCY
vs. LOAD CURRENT
100
90 VIN = 6V
80
70
V_IN = 12V
60
50
V_IN = 16V
40
30
20
10
0
0.1
V_OUT2 = 2.5V
f_SW = 600kHz
1
10
LOAD CURRENT (A)
100
90
80
70
60
50
40
30
20
10
0
0.1
CONVERTER 3 EFFICIENCY
vs. LOAD CURRENT
V_IN = 6V
V_IN = 16V
V_IN = 12V
V_OUT3 = 1.2V
f_SW = 600kHz
1
10
LOAD CURRENT (mA)
CONVERTER 1 LOAD REGULATION
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
-1.00
0
V_OUT1 = 3.3V
500 1000 1500 2000 2500 3000
LOAD CURRENT (mA)
CONVERTER 2 LOAD REGULATION
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
-1.00
0
V_OUT2 = 2.5V
1000 2000 3000 4000 5000 6000
LOAD CURRENT (mA)
CONVERTER 3 LOAD REGULATION
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
-1.00
0
V_OUT3 = 1.2V
2000 4000 6000 8000 10,000
LOAD CURRENT (mA)
INTERNAL VOLTAGE REGULATION (REG)
5.00
4.99
4.98
4.97
4.96
4.95
4.94
4.93
4.92
4.91
4.90
0
V_IN = 12V
C_REG = 2.2µF
20
40
60
80 100
I_REG (mA)
CONVERTER_ SWITCHING FREQUENCY
vs. R_RT
10,000
1000
100
0
0 100 200 300 400 500 600
R_RT (kΩ)
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