Rainbow Electronics MAX5079 - Manual (Page 9)

MAX5079
ORing MOSFET Controller with
Ultra-Fast 200ns Turn-Off
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AUXIN TO GATE
DIRECT CONNECTION
IN/AUXIN/BUS
SWITCHOVER
IN/AUXIN CHARGE-PUMP
SWITCHOVER
IN/AUXIN SUPPLY
SWITCHOVER
CHARGE
PUMP
0.6V
REFERENCE
IN
AUXIN
BUS
V SUPPLY
UVLO
OVI
PGOOD
LOGIC
OV
LOGIC
INTERNAL
UVLO
OVP PGOOD
0.9ms
DELAY
TOP LOGIC
V SUPPLY
CPOFF
UVLO OVI
N
PGND
CXP CXN GATE
PULLDOWN
REG
DRIVER
2A
PULLDOWN
PGOOD
GND
GATE TARGET SELECTOR
COMPARATOR V SUPPLY
V SUPPLY
V SUPPLY V SUPPLY
STH
20 µA
G M
HYSTERESIS
CONTROL
FTH
BUS
IN
MAX5079
Figure 1. Block Diagram
Block Diagram