max5965a Maxim Integrated Products, Inc., max5965a Datasheet - Page 4

• Manufacturer Part Number: max5965a
• Description: High-power, Quad, Monolithic, Pse Controllers For Power Over Ethernet
• Manufacturer: Maxim Integrated Products, Inc.

High-Power, Quad, Monolithic, PSE Controllers
for Power over Ethernet
ELECTRICAL CHARACTERISTICS (continued)
(V
V
wise.) (Note 2)
4
SUPPLY MONITORS
V
V
Hysteresis
V
V
Hysteresis
V
V
V
V
V
Hysteresis
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
OUTPUT MONITOR
OUT_ Input Current
Idle Pullup Current at OUT_
PGOOD High Threshold
PGOOD Hysteresis
PGOOD Low-to-High Glitch
Filter
AGND
AGND
EE
EE
EE
EE
EE
DD
DD
DD
DD
_______________________________________________________________________________________
Undervoltage Lockout
Undervoltage Lockout
Overvoltage Lockout
Overvoltage Lockout
Undervoltage
Overvoltage
Undervoltage
Undervoltage Lockout
Undervoltage Lockout
= +48V, V
= 32V to 60V, V
PARAMETER
DGND
EE
= +48V, V
= 0V, V
DD
DD
V
SYMBOL
V
V
V
V
V
t
EEUVLOH
V
V
to V
T
PG
DDUVLO
PGOOD
EEUVLO
I
V
PG
DDHYS
T
DD_OV
DD_UV
= (V
EE_OV
EE_UV
BOUT
SHDH
I
OVH
SHD
DIS
HYS
TH
DGND
DGND
= +3.3V, all voltages are referenced to V
AGND - V
P or ts shut d ow n i f AGN D - V
V
V
AGND - V
V
V
V
V
V
decreasing
Device operates when V
V
Ports shut down and device resets if its
junction temperature exceeds this limit,
temperature increasing (Note 5)
Thermal hysteresis, temperature decreasing
(Note 5)
V
OUT_ discharge current, detection and
classification off, port shutdown, V
AGND - 2.8V
V
Minimum time PGOOD has to be high to set
bit in register 10h
+ 3.3V), T
E E U V L OH
EE_OV
E E _ U V
E E
DD_OV
DD_OV
DD_UV
DDUVLO
OUT_
OUT_
i ncr easi ng
= AGND, all modes
- V
event b i t i s set i f AGN D - V
; V
event bit sets and ports shut down if
is set if V
event bit is set if V
, V
EE
EE
EE
DD
A
DD
, OUT_ decreasing
, AGND - V
> V
= +25°C. Currents are positive when entering the pin and negative other-
increasing
increasing
CONDITIONS
EE_OV
DD
- V
, AGND increasing
EE
DGND
DD
increasing
DD
E E
- DGND >
> V
- V
< V
DGND
E E
DD_UV
U V L O
OUT_
< V
EE
>
-
E E _ U V
, V
=
, unless otherwise noted. Typical values are at
DD
,
MIN
200
1.5
+150
TYP
28.5
62.5
3.82
120
220
2.7
2.0
40
20
3
1
2
3
MAX
265
2.5
2
UNITS
mV
mV
ms
µA
µA
°C
°C
V
V
V
V
V
V
V
V
V