参数资料
型号: MAX5965BUAX+T
厂商: Maxim Integrated
文件页数: 4/54页
文件大小: 1334K
描述: IC PSE CTRLR FOR POE 36SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1,000
类型: 以太网供电控制器(PoE)
应用: IP 电话,LAN 网络供电,网络路由器和交换机
内部开关:
电源电压: 2.4 V ~ 3.6 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 36-BSOP(0.295",7.50mm 宽)
供应商设备封装: 36-SSOP
包装: 带卷 (TR)
High-Power, Quad, Monolithic, PSE Controllers
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
V
DD
 Overvoltage
V
DD_OV
V
DD_OV
 event bit is set if V
DD
 - V
DGND
 >
V
DD_OV
; V
DD
 increasing
3.82
V
V
DD
 Undervoltage
V
DD_UV
V
DD_UV
 is set if V
DD
 - V
DGND
 < V
DD_UV
,
V
DD
 decreasing
2.7
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 5)
+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
Idle Pullup Current at OUT_
I
DIS
OUT_ discharge current, detection and
classification off, port shutdown, V
OUT_
 =
AGND - 2.8V
200
265
PGOOD High Threshold
PG
TH
V
OUT_
 - V
EE
, V
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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