VDD
參數(shù)資料
型號(hào)： TPS2371DG4
廠商： Texas Instruments
文件頁(yè)數(shù)： 13/19頁(yè)
文件大?。?/td> 0K
描述： IC PWR INTRFCE SW FOR POE 8-SOIC
標(biāo)準(zhǔn)包裝： 75
應(yīng)用： 用于以太網(wǎng)供電（PoE）設(shè)備的電源接口開(kāi)關(guān)
接口： IEEE 802.3af
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 8-SOIC
包裝： 管件
安裝類型： 表面貼裝
TPS2371
SLUS566A JULY 2003 REVISED NOVEMBER 2003
3
www.ti.com
ELECTRICAL CHARACTERISTICS
VDD = 48 V; TA = 0°C to 70°C; all voltages and currents are with respect to VEE; (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY
Offset current
VDD = 1.8 V, DET = OPEN
3
IDD
Sleep current
1.8 V
≤ VDD < 10 V, DET = OPEN
5
12
A
IDET
Detection load current
RDET = 24.9 k, VDD = 1.8 V
70
73
76
A
IDET
Detection load current
RDET = 24.9 k, VDD = 9.5 V
380
390
400
Classification current threshold
Turn on
10.0
12.5
14.0
V
Classification current threshold
Turn off
21.5
22.5
23.5
V
VDD current class 0
0.44 W
≤ PPoE ≤ 12.95 W,
15 V
≤ VDD ≤ 20 V, RCLASS = 4.42 k
2.2
2.5
2.8
VDD current class 1
0.44 W
≤ PPoE ≤ 3.84 W,
15 V
≤ VDD ≤ 20 V, RCLASS = 953
10.4
10.8
11.5
VDD current class 2
3.84 W
≤ PPoE ≤ 6.49 W,
15 V
≤ VDD ≤ 20 V, RCLASS = 549
18.1
18.6
19.5
mA
VDD current class 3
6.49 W
≤ PPoE ≤ 12.95 W,
15 V
≤ VDD ≤ 20 V, RCLASS = 357
27.7
28.4
29.9
VDD current class 4
Reserved for future use,
15 V
≤ VDD ≤ 20 V, RCLASS = 255
38.5
39.6
42.0
VDD quiescent current
30 V
≤ VDD ≤ 57 V, RCLASS = 255
500
800
A
Input UVLO threshold
Turn on
33.9
35.0
36.1
Input UVLO threshold
Turn off
29.5
30.5
31.5
V
UVLO hysteresis
4.3
4.5
V
UVLO off-time delay
CDELAY = 180 nF
18
ms
EN_DC sink current
40
80
200
A
RTN threshold for EN_DC
1.2
1.5
1.8
V
DMOS RDS(on)
IRTN = 200 mA
0.15
0.30
0.60
Full load current limit
VRTN < 1.5 V
405
455
505
mA
ILIM current limit programming
RLIM = 125 k, VRTN > 1.5 V during startup
180
250
300
mA
Thermal shutdown temperature
144
°C
Thermal shutdown hysteresis
20
°C
1
2
3
4
8
7
6
5
ILIM
CLASS
DET
VEE
VDD
DELAY
EN_DC
RTN
D OR PW PACKAGE
(TOP VIEW)
ORDERING INFORMATION
TA
PACKAGE(1)
PART NUMBER
0
°C to 70°C
Plastic TSSOP (PW)
TPS2371PW
0
°C to 70°C
Plastic SOIC (D)
TPS2371D
(1)
The PW and D packages are also available taped and reeled. Add an R suffix to the device type (i.e., TPS2371PWR).
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS2371DR 功能描述:熱插拔功率分布 Legacy/IEEE802.3af Comp Pwr InterfSw 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
TPS2371DRG4 功能描述:熱插拔功率分布 Legacy/IEEE802.3af Comp Pwr InterfSw 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
TPS2371PW 功能描述:熱插拔功率分布 Legacy/IEEE802.3af Comp Pwr InterfSw 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
TPS2371PWG4 功能描述:熱插拔功率分布 Legacy/IEEE802.3af Comp Pwr InterfSw 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
TPS2371PWR 功能描述:熱插拔功率分布 Legacy/IEEE802.3af Comp Pwr InterfSw 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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