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參數(shù)資料
| 型號： | TPS23841_07 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | HIGH-POWER, WIDE VOLTAGE RANGE, QUAD-PORT ETHERNET POWER SOURCING EQUIPMENT MANAGER |
| 中文描述： | 大功率，寬電壓范圍，四端口以太網(wǎng)供電設(shè)備管理器 |
| 文件頁數(shù)： | 4/52頁 |
| 文件大?。?/td> | 1011K |
| 代理商： | TPS23841_07 |
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ELECTRICAL CHARACTERISTICS
V48 = 48 V, R
T
= 124 k
, C
T
= 220 pF, C
INT
= 0.027
μ
F (low leakage), –40
°
C to 125
°
C and T
A
= T
J
(unless otherwise noted)
TPS23841
SLUS745–NOVEMBER 2006
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Power Supply
V48 quiescent current
V48 quiescent current
V10, internal analog supply
V3.3, internal digital supply
V3.3 short circuit current
V6.3, internal supply
V2.5, internal reference supply
V
UVLO_R
, V48 UVLO
V
UVLO_F
, V48 UVLO
V
HYSUV
, UVLO hysteresis
Internal POR time out(I
2
C)
Internal POR time out (Port)
Off mode (all ports)
Powered mode (all ports)
I
LOAD
= 0
I
LOAD
= 0 to 3 mA
V = 0
I
LOAD
= 0
I
LOAD
= 0
Input voltage rising
Input voltage falling
4
9
12
14
mA
10
9.75
10.5
3.3
11.5
3.7
12
V
3
3
5
mA
6.3
2.5
7
2.46
16.0
14
0.2
2.54
21.5
21
2.0
V
1.0
After all supplies are good I
2
C activity is valid
After all supplies are good Port active to I
2
C
commands
8
Clock
Pulses
66000
Port Discovery
Port off #P to #N input resistance
Discovery open circuit voltage
Discovery 1 voltage loop control
Discovery 2 voltage loop control
Discovery current limit
Auto-mode discovery resistance
acceptance Band
Auto-mode discovery resistance low
end rejection
Auto-mode discovery resistance high
end rejection
Discovery1,2 A/D conversion scale
factor
Discovery1,2 A/D conversion time
Port Classification
Classification voltage loop control
Classification current limit
Class 0 to 1 detection threshold
Class 1 to 2 detection threshold
Class 2 to 3 detection threshold
Class 3 to 4 detection threshold
Class 4 to 0 detection threshold
Classification A/D conversion scale
factor
Classification A/D conversion time
400
600
22
4.4
8.8
k
30
70
μ
A < I
PORT
< 3 mA
70
μ
A < I
PORT
< 3 mA
P = N = 48 V
2.8
V
10
3
4
5
mA
19
26.5
0
15
k
33
100
μ
A < I
PORT
< 3 mA
5.30
6.10
6.75 count/
μ
A
I
PORT
= 120
μ
A
ms
100
μ
A < I
PORT
< 50 mA
P = N = 48 V
15
50
5.5
13
21
31
45
375
17.5
60
6.5
14.5
23
33
48
424
20
100
7.5
16
25
35
51
475
V
mA
Count/m
A
ms
I
PORT
= 50 mA
18
22
4
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| TPS23841PAPG4 | 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS23841PAPR | 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS23841PAPRG4 | 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS23841PJD | 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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