MAX5921 Maxim, MAX5921 Datasheet - Page 7

• Manufacturer Part Number: MAX5921
• Description: -48V Hot-Swap Controllers with External RSENSE and High Gate Pulldown Current
• Manufacturer: Maxim

Figure 5a. DRAIN to PWRGD /PWRGD Timing
V
DCEN
- V
DRAIN
PWRGD
PWRGD
DRAIN
DRAIN
= 0V
UV
OV
-48V Hot-Swap Controllers with External
1.4V
_______________________________________________________________________________________
R
REF
SENSE
V
1.4V
EE
50mV
t
PHLDL
SENSE
t
PHLDL
and High Gate Pulldown Current
UVLO
1V
1V
LOGIC
V
V
V
EE
EE
EE
REFERENCE
GENERATOR
V
DD
V
DD
AND
DRIVER
GATE
GATE
Figure 5b. GATE to PWRGD /PWRGD Timing
V
REF
DD
V
V
DCEN
DL
∆V
∆V
- V
GATE
GATE
V
PWRGD
PWRGD
EE
DRAIN
Timing Diagrams (continued)
GATE
GATE
- V
- V
GATE
GATE
= 0V
MAX5921/MAX5939
DRAIN
= 0V
= 0V
OUTPUT
DRIVER
1.4V
1.4V
t
PHLGH
V
t
PHLGH
GH
1V
∆V
GATE
Block Diagram
PWRGD
PWRGD
1V
V
EE
V
EE
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