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MAX15048

Triple-Output Buck Controllers with Tracking/Sequencing

Maxim Integrated 

MAX15048/MAX15049

Triple-Output Buck Controllers

with Tracking/Sequencing

Typical Operating Characteristics (continued)

(VIN = 12V, VDREG_ = VREG, VPGND_ = 0V, CREG = 2.2FF, RRT = 39.2kI, TA = +25NC, unless otherwise noted. See Figure 10.)

COINCIDENT SHUTDOWN (MAX15048)

MAX15048 toc19

VEN1

VOUT1

5V/div

0V

VOUT2

VOUT3

WITH FIGURE 10 CONFIGURED

FOR COINCIDENT TRACKING

1ms/div

1V/div

0V

VOUT2

VOUT1

CHANNEL 2 SHORT CIRCUIT

(COINCIDENT TRACKING)

MAX15048 toc21

WITH FIGURE 10 CONFIGURED

FOR COINCIDENT TRACKING

1V/div

0V

VOUT3

1ms/div

1V/div

0V

SEQUENCING SHUTDOWN

MAX15048 toc23

VEN1

2V/div

0V

VOUT1

VOUT2

VOUT3

FULL LOAD

100µs/div

1V/div

0V

VOUT1

CHANNEL 1 SHORT CIRCUIT

(COINCIDENT TRACKING)

MAX15048 toc20

1V/div

VOUT2

VOUT3

WITH FIGURE 10 CONFIGURED

FOR COINCIDENT TRACKING (MAX15048)

1ms/div

0V

1V/div

0V

SEQUENCING STARTUP

(MAX15049)

MAX15048 toc22

2V/div

VOUT1

VEN1

0V

VOUT2

1V/div

VOUT3

0V

IOUT1 = IOUT2 = IOUT3 = 0.1A

1ms/div

VOUT1

CHANNEL 1 SHORT CIRCUIT

(SEQUENCING)

MAX15048 toc24

1V/div

VOUT2

VOUT3

IOUT2 = IOUT3 = 0.1A

400µs/div

0V

1V/div

0V

Maxim Integrated

  7

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