Datasheet

MAX5920
-48V Hot-Swap Controller
with External R
SENSE
_______________________________________________________________________________________ 7
Timing Diagrams (continued)
DRAIN
PWRGD
V
PWRGD
- V
DRAIN
= 0V
PWRGD
DRAIN
V
EE
V
EE
V
EE
t
PHLDL
1V
1.4V
1.4V
t
PHLDL
1V
Figure 5a. DRAIN to PWRGD /PWRGD Timing
∆V
GATE
- V
GATE
= 0V
GATE
PWRGD
V
EE
V
EE
V
GATE
- V
GATE
= 0V
GATE
PWRGD
V
PWRGD
- V
DRAIN
= 0V
1.4V
1.4V
1V
1V
t
PHLGH
t
PHLGH
Figure 5b. GATE to PWRGD /PWRGD Timing
LOGIC
GATE
DRIVER
UVLO
V
CC
AND
REFERENCE
GENERATOR
REF
V
CC
REF
V
DL
V
EE
V
GH
∆V
GATE
50mV
V
DD
UV
OV
V
EE
SENSE GATE DRAIN
PWRGD
PWRGD
MAX5920A
MAX5920B
OUTPUT DRIVE
Block Diagram