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參數(shù)資料
型號(hào): MAX5986AETE+
廠商: Maxim Integrated
文件頁(yè)數(shù): 5/23頁(yè)
文件大小: 843K
描述: IC POE SWITCH PSE 16TQFN
標(biāo)準(zhǔn)包裝: 60
類型: 以太網(wǎng)供電控制器 PD 開(kāi)關(guān)(PoE)
應(yīng)用: 供電設(shè)備(PSE)
內(nèi)部開(kāi)關(guān):
電流限制: 201mA
電源電壓: 8.7 V ~ 60 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-WQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 16-TQFN-EP(5x5)
包裝: 管件
MAX5986AMAX5986C/MAX5987A
IEEE 802.3af-Compliant, High-Efficiency, Class 1/
Class 2, PDs with Integrated DC-DC Converter
  5
Maxim Integrated
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
 = 48V, R
SIG
 = 24.9k? LED, V
CC
, SL, ULP, WK, RESET, LDO_OUT unconnected, WAD = LDO_EN = LDO_IN = PGND = GND,
C1 = 68nF, C2 = 10礔, C3 = 1礔 (see Figure 3), V
FB
 = V
AUX
 = 0V, LX unconnected. All voltages are referenced to GND, unless
otherwise noted. T
A
 = T
J
 = -40癈 to +85癈, unless otherwise noted. Typical values are at T
A
 = +25癈.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LDO (MAX5987A)
Input Voltage Range
Inferred from line regulation
4.5
14
V
Output Voltage
LDO_FB = V
DRV
3.3
V
Max Output Voltage Setting
With external divider to LDO_FB
5.5
V
LDO FB Regulation Voltage
1.2
1.227
1.25
V
LDO FB Leakage Current
?
FA
Dropout
V
LDO_IN
= 5V, V
LDO_FB
 = V
DRV
,
I
LOAD
 = 80mA
300
mV
Load Regulation
I
LOAD
 from 1mA to 80mA
0.5
mV/mA
Line Regulation
VLDO_IN from 4.5V to 14V
1.4
mV/V
Overcurrent Protection Threshold
I
OVC
85
mA
LDO_FB Rising Threshold
3.2
3.7
V
LDO_FB Hysteresis
2.3
2.4
V
DC-DC CONVERTER INPUT SUPPLY
V
DD
Voltage Range
V
DD,RISING
V
CC
 = V
DD
 =
V
WAD
 - 0.3V,
rising
MAX5986A
8.7
60
V
MAX5986B/C/
MAX5987A
8
60
V
DD,FALLING
V
CC
 = V
DD
 =
V
WAD
 - 0.3V,
falling
MAX5986A
7.3
60
MAX5986B/C/
MAX5987A
7.7
60
POWER MOSFETs
High-Side pMOS On-Resistance
R
DSON-H
I
LX
 = 0.5A (sourcing)
0.54
I
Low-Side nMOS On-Resistance
R
DSON-L
I
LX
 = 0.5A (sinking)
0.16
I
LX Leakage Current
I
LX-LKG
V
DD
 = V
CC
 = 28V,
V
LX
 = (V
PGND
 + 1V) to (V
CC
 - 1V)
-5
+5
FA
SOFT-START (SS)
Soft-Start Time
t
SS-TH
MAX5986A
7.45
ms
MAX5986B/MAX5986C/MAX5987A
10
FEEDBACK (FB)
FB Regulation Voltage
V
FB-RG
1.203
1.225    1.252
V
FB Input Bias Current
I
FB
V
FB
 = 1.224V
10
200
nA
OUTPUT VOLTAGE
Output Voltage Range
V
OUT
MAX5986A/MAX5987A
3.0
5.6
V
MAX5986B/MAX5986C
5.4
14
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX5986AETE+ 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 IEEE802.3 af PD w/ DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX5986AETE+T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 IEEE802.3 af PD w/ DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX5986BETE+ 功能描述:以太網(wǎng) IC IEEE802.3 AF HI EFFICIENCY PD RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
MAX5986BETE+T 功能描述:PMIC 解決方案 IEEE802.3 AF HI EFFICIENCY PD RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
MAX5986EVKIT# 功能描述:電源管理IC開(kāi)發(fā)工具 MAX5986 Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
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