Datasheet

8 Maxim Integrated
1V to 16V, Single-Channel, Hot-Swap Controllers
with Precision Current-Sensing Output
MAX5977A/MAX5977B
Functional Diagram
MUX
25µA
SLOW CB
50µA
CS AMPLIFIER
OVERDRIVE
DELAY
5µA
10µA 10µA
CSOUT
GATE
SOURCE
PG
FAULT
GND
AGND
IN
SENSE
CALSENSE
CAL
SCOMP
FCOMP
UV
OV
PWR
REG
BIAS
50ms
PG TIMER
S
1
0
MAX5977A
MAX5977B
OD DELAY/
CB TIMER
2MHz
OSCILLATOR
IN
IN - 100mV
GATE
PULLDOWN
CHARGE
PUMP
FAST CB
OVP
POR
S
R
AUTORETRY ENABLE
MAX5977B
ONLY
0.6V
0.59V
0.59V
REF/
BIAS
LDO
UVLO
UVP
RETRY TIMER
Q