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| 型號： | TPS2383 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Power Over Ethernet Switch Side Manager |
| 中文描述： | 以太網(wǎng)供電開關(guān)側(cè)管理器 |
| 文件頁數(shù)： | 5/27頁 |
| 文件大小： | 394K |
| 代理商： | TPS2383 |
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SLUS559B APRIL 2003 REVISED JULY 2004
5
www.ti.com
ELECTRICAL CHARACTERISTICS
VV48= 48 V, RT = 120 k
, 0°
C to 70
°
C, and TA = TJ (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
LOW-SIDE CURRENT-SENSE
Overload threshold voltage
165
187
207
mV
Peak current threshold voltage
175
213
250
Overload timout
50
100
ms
Maximum swing, CINT
9
11
V
Reset voltage, CINT
10
100
mV
Maximum swing, CR
4.5
6.0
V
μ
A
Input leakage,
n
RS
10
ANALOG-TO-DIGITAL CONVERTER
A/D resistive scaling(1)
RRD = 1 k
Referenced to port
#1
RRS = 0.5
RRS = 0.5
72
count/k
Port-to-port resistance variation
A/D classificatin scaling(1)
A/D load current scaling(1)
A/D load voltage scaling(1)
5%
0%
5%
35
count/mA
4.72
33.6
count/V
A/D load current conversion
ILOAD = 50 mA,
ILOAD = 300 mA, RRS = 0.5
VPORT = 5 V
VPORT = 45 V
RRS = 0.5
236
1416
count
A/D port voltage conversion
168
1512
DIGITAL I/O
Logic input threshold voltage, SCL,
SDA_I, A1 through A5, EN, PORB
1.5
V
Input hysteresis, SCL, SDA_I
250
mV
Input hysteresis, EN, PORB
150
Input pull-down resistance, EN, PORB
50
k
Pull-up current, A0, A1, A2, A3, A4, A5
10
25
Logic high leakage, SDA_O
Drain = 6 V
10
μ
A
Logic low output voltage, SDA_O
ISINK = 3 mA
Drain = 6 V
200
mV
μ
A
mV
Logic high leakage, INTB
10
Logic low output voltage, INTB
DIGITAL I/O TIMING I2C CHARACTERISTICS
ISINK = 3 mA
200
Clock frequency, SCL
0
400
kHz
Pulse duration
SCL high
1.3
SCL low
0.6
μ
s
Rise time, SCL, SDA(1)
Fall time, SCL, SDA(1)
300
300
ns
Setup time SDA to SCL
250
Hold time SCL to SDA
0
Bus free time between startup and stop
1.3
Setup time SCL to start condition
0.6
Hold time start condition to SCL
0.6
μ
s
Setup time, SCL to stop condition
NOTE: (1) Ensured by design. Not production tested.
0.6
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS2383APM | 功能描述:熱插拔功率分布 Octal Pwr Sourcing Equip Pwr Manager 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 |
| TPS2383APMG4 | 功能描述:熱插拔功率分布 Octal Pwr Sourcing Equip Pwr Manager 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 |
| TPS2383APMR | 功能描述:熱插拔功率分布 Octal Pwr Sourcing Equip Pwr Manager 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 |
| TPS2383APMRG4 | 功能描述:熱插拔功率分布 Octal Pwr Sourcing Equip Pwr Manager 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 |
| TPS2383BPM | 功能描述:熱插拔功率分布 Octal Power Sourcing Equipment Mngr 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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