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MAX15003 Datasheet, PDF (8/32 Pages) Maxim Integrated Products – Triple-Output Buck Controller with Tracking/Sequencing
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Triple-Output Buck Controller with
Tracking/Sequencing
Typical Operating Characteristics (continued)
(Figure 8, VIN = 12V, CREG = 2.2µF, TA = +25°C, unless otherwise noted.)
VIN
VOUT1
CHANNEL 1 OUTPUT SHORT CIRCUIT
(SEQUENCING MODE)
MAX15003 toc23
10V/div
2V/div
0V
VRESET
RESET AT STARTUP
(SEQUENCING MODE)
MAX15003 toc24
5V/div
0V
VOUT2
0V
1V/div
1V/div
1V/div
VOUT3
0V
1V/div
0V
400µs/div
SEL = GND
EN/TRACK2 = PGOOD1
EN/TRACK3 = PGOOD2
RESET AT SHUTDOWN
(SEQUENCING MODE)
MAX15003 toc25
VRESET
5V/div
0V
1V/div
VOUT1, 2, 3
0V
SEL = GND
20ms/div
EN/TRACK2 = PGOOD1
EN/TRACK3 = PGOOD2
CONVERTER 1 SHORT-CIRCUIT CONDITION
(HICCUP MODE)
MAX15003 toc26
VOUT1
IOUT1
500mV/div
10A/div
VOUT1
VOUT2
VOUT3
1V/div
1V/div
1V/div
0V
SEL = GND
400µs/div
EN/TRACK2 = PGOOD1
EN/TRACK3 = PGOOD2
CONVERTER 1 OUTPUT SHORT-CIRCUIT
(SEQUENCING MODE)
MAX15003 toc27
VIN
VOUT1
VOUT2
SEL = GND
10V/div
2V/div
0V
1V/div
VLX1
10V/div
VDL1
VPGOOD1
1ms/div
5V/div
1V/div
CONVERTER 2 OUTPUT SHORT-CIRCUIT
(SEQUENCING MODE)
MAX15003 toc28
VIN
VOUT2
SEL = GND
10V/div
0V
2V/div
0V
VOUT1
2V/div
VOUT3
0V
1V/div
VOUT3
0V
400µs/div
EN/TRACK2 = PGOOD1
EN/TRACK3 = PGOOD2
400µs/div
EN/TRACK2 = PGOOD1
EN/TRACK3 = PGOOD2
8 _______________________________________________________________________________________
1V/div
0V
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