參數(shù)資料
型號: MAX5952CUAX+
廠商: Maxim Integrated
文件頁數(shù): 4/50頁
文件大小: 1006K
描述: IC PSE CNTRLR FOR POE 36-SSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 30
類型: 以太網(wǎng)供電控制器(PoE)
應(yīng)用: 遠程外設(shè)(工業(yè)控制,相機,數(shù)據(jù)訪問)
內(nèi)部開關(guān):
工作溫度: 0°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 36-BSOP(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 36-SSOP
包裝: 管件
High-Power, Quad, PSE Controller
for Power-Over-Ethernet
4  _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
AGND
= 32V to 60V, V
EE
= 0V, V
DD
to V
DGND
= +3.3V, all voltages are referenced to V
EE
, unless otherwise noted. Typical values are at
V
AGND
= +48V, V
DGND
= +48V, V
DD
= (V
DGND
+ 3.3V), T
A
= +25癈. Currents are positive when entering the pin and negative other-
wise.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY MONITORS
V
EE
 Undervoltage Lockout
V
EEUVLO
V
AGND
 - V
EE
, V
AGND
 - V
EE
 increasing
28.5
V
V
EE
 Undervoltage Lockout
Hysteresis
V
EEUVLOH
P or ts shut d ow n i f V
AGND
 -
 V
E E
< V
U V L O
 -
V
E E
U V
L OH
3
V
V
EE
 Overvoltage Lockout
V
EE_OV
V
EE_OV
 event bit sets and ports shut down if
V
AGND
 - V
EE
> V
EE_OV
, V
AGND
 increasing
62.5
V
V
EE
 Overvoltage Lockout
Hysteresis
V
OVH
1
V
V
EE
 Undervoltage
V
EE_UV
V
E E
_ U V
 event b i t i s set i f V
AGND
 -
 V
E E
 <
 V
E E _ U V
,
V
E E
 i ncr easi ng
40
V
MAX5952A
3.82
V
DD
 Overvoltage
V
DD_OV
V
DD_OV
 event bit is set if
V
DD
 - V
DGND
 > V
DD_OV
;
V
DD
 increasing
MAX5952C
5.7
V
MAX5952A
2.7
V
DD
 Undervoltage
V
DD_UV
V
DD_OV
 is set if V
DD
 - V
DGND
> V
DD_UV
, V
DD
 decreasing
MAX5952C
4.2
V
V
DD
 Undervoltage Lockout
V
DDUVLO
Device operates when V
DD
 - V
DGND
 >
V
DDUVLO
, V
DD
 increasing
2
V
V
DD
 Undervoltage Lockout
Hysteresis
V
DDHYS
120
mV
Thermal Shutdown Threshold
T
SHD
Ports shut down and device resets if its
junction temperature exceeds this limit,
temperature increasing (Note 4)
150
Thermal Shutdown Hysteresis
T
SHDH
Thermal hysteresis, temperature decreasing
(Note 5)
20
OUTPUT MONITOR
OUT_ Input Current
I
BOUT
V
OUT
 = V
AGND
, all modes
2
礎(chǔ)
Idle Pullup Current at OUT_
I
DIS
OUT_ discharge current, detection and
classification off, port shutdown,
V
OUT_
 = V
AGND
 - 2.8V
200
260
礎(chǔ)
PGOOD High Threshold
PG
TH
V
OUT_
 - V
EE
, OUT_ decreasing
1.5
2.0
2.5
V
PGOOD Hysteresis
PG
HYS
220
mV
PGOOD Low-to-High Glitch
Filter
t
PGOOD
Minimum time PGOOD has to be high to set
bit in register 10h
3
ms
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