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参数资料
| 型号： | MAX5965AEAX+ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | High-Power, Quad, Monolithic, PSE Controllers for Power over Ethernet; Package: SSOP;36 pin;163 mm² ; Temperature: -40°C to +85°C |
| 中文描述： | 4-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO36 |
| 封装： | ROHS COMPLIANT, SSOP-36 |
| 文件页数： | 45/54页 |
| 文件大小： | 1525K |
| 代理商： | MAX5965AEAX+ |
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MAX5965A/MAX5965B
High-Power, Quad, Monolithic, PSE Controllers
for Power over Ethernet
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(VAGND = 32V to 60V, VEE = 0V, VDD to VDGND = +3.3V, all voltages are referenced to VEE, unless otherwise noted. Typical values are at
VAGND = +48V, VDGND = +48V, VDD = (VDGND + 3.3V), TA = +25°C. Currents are positive when entering the pin and negative other-
wise.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LOAD DISCONNECT
DC Load Disconnect
Threshold
VDCTH
Minimum VSENSE_ allowed before disconnect
(DC disconnect active), VOUT_ = 0V
2.5
3.75
5.0
mV
AC Load Disconnect
Threshold
IACTH
Current into DET_, for I < IACTH the port
powers off, ACD_EN_ bit = H; VOSC = 2.2V,
MAX5965B (Note 6)
285
320
360
μA
Oscillator Buffer Gain
AOSC
VDET_/VOSC, ACD_EN_ bit = H, MAX5965B
2.9
3.0
3.1
V/V
OSC Fail Threshold
VOSC_FAIL
Port does not power on if VOSC < VOSC_FAIL
and ACD_EN_ bit is high, MAX5965B (Note 7)
1.8
2.2
V
OSC Input Impedance
ZOSC
OSC input impedance when all the ACD_EN_
are active, MAX5965B
100
k
Ω
Load Disconnect Timer
tDISC
Time from VSENSE_ < VDCTH to gate shutdown
(Note 8)
300
400
ms
DETECTION
Detection Probe Voltage
(First Phase)
VDPH1
VAGND - VDET_ during the first detection
phase
3.8
4
4.2
V
Detection Probe Voltage
(Second Phase)
VDPH2
VAGND - VDET_ during the second detection
phase
9.0
9.3
9.6
V
Current-Limit Protection
IDLIM
VDET_ = VAGND, during detection, measure
current through DET_
1.5
1.8
2.2
mA
Short-Circuit Threshold
VDCP
If VAGND - VOUT_ < VDCP after the first
detection phase a short circuit to AGND is
detected
1V
Open-Circuit Threshold
ID_OPEN
First point measurement current threshold for
open condition
12.5
μA
Resistor Detection Window
RDOK
(Note 9)
19.0
26.5
k
Ω
Detection rejects lower values
15.2
Resistor Rejection Window
RDBAD
Detection rejects higher values
32
k
Ω
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相关代理商/技术参数 |
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|---|---|
| MAX5965AEAX+ | 功能描述:热插拔功率分布 Quad PSE Controller for POE RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5965AEAX+T | 功能描述:热插拔功率分布 Quad PSE Controller for POE RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5965AUAX+ | 功能描述:热插拔功率分布 Quad PSE Controller for POE RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5965AUAX+T | 功能描述:热插拔功率分布 Quad PSE Controller for POE RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5965BCAX+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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