参数资料
型号: MAX5952CUAX+T
厂商: Maxim Integrated
文件页数: 3/50页
文件大小: 1006K
描述: IC PSE CNTRLR FOR POE 36-SSOP
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: 远程外设(工业控制,相机,数据访问)
内部开关:
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, PSE Controller
for Power-Over-Ethernet
_______________________________________________________________________________________   3
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
CURRENT LIMIT
IVEE = 00
202
212
220
IVEE = 01
192
202
212
IVEE = 10
186
190
200
Current-Limit Clamp Voltage
V
SU_LIM
Maximum V
SENSE_
 allowed
during current limit, V
OUT_
= 0V
(ICUT = 000) (Note 3)
IVEE = 11
170
180
190
mV
ICUT = 000
(Class 0/3)
177
186
196
ICUT =110
(Class 1)
47
55
62
ICUT = 111
(Class 2)
86
94
101
ICUT = 001
265
280
295
ICUT = 010
310
327
345
ICUT = 011
355
374
395
ICUT = 100
398
419
440
Overcurrent Threshold After
Startup
V
FLT_LIM
Overcurrent V
SENSE_
 threshold
allowed for t d t
FAULT
 after
startup; V
OUT_
= 0V,
(IVEE = 00)
ICUT =101
443
466
488
mV
ICUT = 000,
ICUT = 110,
ICUT = 111
28
Foldback Initial OUT_ Voltage
V
FLBK_ST
V
OUT_
 - V
EE
, above which the
current-limit trip voltage starts
folding back, IVEE = 00
ICUT =
001&101
10
V
Foldback Final OUT_ Voltage
V
FLBK_END
IVEE = 00, ICUT = 000, V
OUT
 - V
EE
above
which the current-limit trip voltage reaches
V
TH_FB
50
V
Minimum Foldback
Current-Limit Threshold
V
TH_FB
V
OUT_
 = V
AGND
 = 60V, IVEE = 00, ICUT = 000
64
mV
SENSE_ Input Bias Current
V
SENSE_
 = V
EE
-2
+2
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