Rainbow Electronics MAX17031 - Manual (Page 15)

MAX17031
Dual Quick-PWM Step-Down Controller with Low-
Power LDO and RTC Regulator for MAIN Supplies
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GND
GND
AGND
REF INTEGRATOR
ANALOG
SOFT-START/
SOFT-STOP
Q TRIG
t OFF(MIN)
ONE-SHOT
Q TRIG
t ON
ONE-SHOT
ON-TIME
COMPUTE
Q TRIG
ULTRASONIC
DL DRIVER
TON
IN
ONE-SHOT
S
R*
*RESET DOMINATE
Q
S
R
Q
NEG CURRENT
LIMIT
VALLEY
CURRENT LIMIT
ZERO
CROSSING
ULTRASONIC
THRESHOLD
AGND
LX
ILIM
FB
REFIN
SKIP
V CC
GND
SLOPE COMP
∆ FB
DH DRIVER
ON
REFIN
FB
INT PRESET
OR EXT ADJ
THREE-LEVEL
DECODE
Figure 3. Functional Diagram—Quick-PWM Core