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參數(shù)資料
| 型號： | STHS2376L |
| 廠商： | 意法半導體 |
| 英文描述： | IEEE 802.3af PoE Powered Device (PD) Interface Controller(IEEE802.3af PoE PD(受電設備)接口控制器) |
| 中文描述： | IEEE 802.3af標準的PoE供電設備（PD）接口控制器（IEEE802.3af標準的PoE（私隱受電設備）接口控制器） |
| 文件頁數(shù)： | 13/20頁 |
| 文件大?。?/td> | 187K |
| 代理商： | STHS2376L |
STHS237x
Electrical parameters STHS237xA, STHS237xL
13/20
DC characteristics
Table 6.
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
Detection
Offset current
DET open, V
VDD
= V
RTN
= 1.9V, measure
I
VDD
+ I
RTN
0.3
3
μA
Sleep current
DET open, V
VDD
= V
RTN
= 10.1V, measure
I
VDD
+ I
RTN
4
12
μA
I
IL(DET)
DET pin leakage current V
DET
= V
VDD
= 57V, measure I
DET
0.1
5
μA
I
DET
Detection current
V
RTN
= V
VDD
, R
DET
= 24.9k
Ω
,
measure I
VDD
+ I
RTN
+ I
DET
V
VDD
= 1.4V
53.7
56
58.3
μA
V
VDD
= 10.1V
395
410
417
μA
Classification
I
CLASS
Classification current
(1)
R
CLASS
= 4420
Ω
, V
VDD
= 13 to 21V
2.2
2.4
2.8
mA
R
CLASS
= 953
Ω
, V
VDD
= 13 to 21V
10.3
10.6
11.3
mA
R
CLASS
= 549
Ω
, V
VDD
= 13 to 21V
17.7
18.3
19.5
mA
R
CLASS
= 357
Ω
, V
VDD
= 13 to 21V
27.1
28.0
29.5
mA
R
CLASS
= 255
Ω
, V
VDD
= 13 to 21V
38.0
39.4
41.2
mA
V
CL(ON)
Classification lower
threshold
Regulator turns on, V
VDD
rising
10.2
11.3
13.0
V
V
CU(OFF)
Classification upper
threshold
Regulator turns off, V
VDD
rising
21
21.9
23
V
V
CU(H)
Hysteresis
0.5
0.78
1
V
I
IL(CLASS)
CLASS pin leakage
current
V
CLASS
= 0V, V
VDD
= 57V
1
μA
Pass device
R
DS(ON)
On resistance
I
RTN
= 300mA
0.72
1.0
Ω
I
RTN(L)
RTN pin leakage current
V
VDD
= V
RTN
= 30V (V
UVLO
= 0V for
STHS2376x)
15
μA
I
LIM(N)
Normal operation
current limit
V
RTN
= 1V
405
461
515
mA
I
LIM(I)
Inrush mode current
limit
V
RTN
= 2V, R
ILIM
= 178k
Ω
100
130
180
mA
Inrush current
termination
(2)
V
RTN
falling, R
ILIM
= 178k
Ω
, inrush mode to
normal operation mode
85
91
100
%
Current rise time to
inrush
(3)
R
ILIM
= 69.8k
Ω,
V
RTN-VSS
= 5V, I
RTN
= 30
→
300mA, V
VDD
increasing past upper UVLO
15
34
μs
I
IL(ILIM)
ILIM pin leakage current V
VDD
= 15V, V
UVLO
= 0V
1
μA
Power Good (PG)
V
RTN(LO R)
RTN latch off voltage,
rising
(4)
V
RTN
rising
9.5
10.0
10.5
V
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