Rainbow-electronics MAX17031 Manual de usuario descargar pdf (Pagina 15)

MAX17031

Dual Quick-PWM Step-Down Controller with Low-

Power LDO and RTC Regulator for MAIN Supplies

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GND

AGND

REF

INTEGRATOR

ANALOG

SOFT-START/

SOFT-STOP

Q TRIG

OFF(MIN)

ONE-SHOT

Q TRIG

ONE-SHOT

ON-TIME

COMPUTE

Q TRIG

ULTRASONIC

DL DRIVER

TON

ONE-SHOT

*RESET DOMINATE

NEG CURRENT

LIMIT

VALLEY

CURRENT LIMIT

ZERO

CROSSING

ULTRASONIC

THRESHOLD

AGND

ILIM

REFIN

SKIP

GND

SLOPE COMP

∆ FB

DH DRIVER

REFIN

INT PRESET

OR EXT ADJ

THREE-LEVEL

DECODE

Figure 3. Functional Diagram—Quick-PWM Core

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 23 24

MAX17031 1

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Rainbow-electronics MAX17031 Manual de usuario Pagina 15

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