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參數資料
型號: MAX5986AETE+
廠商: Maxim Integrated
文件頁數: 6/23頁
文件大?。?/td> 843K
描述: IC POE SWITCH PSE 16TQFN
標準包裝: 60
類型: 以太網供電控制器 PD 開關(PoE)
應用: 供電設備(PSE)
內部開關:
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
供應商設備封裝: 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
  6
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
Cycle by Cycle Overvoltage
Protection
V
OUT-OV
Rising (Note 7)
100.5
100.3
108
%
Falling (Note 7)
98.5
INTERNAL COMPENSATION NETWORK
Compensation Network Zero-
Resistance
R
ZERO
200
kI
Compensation Network Zero-
Capacitance
C
ZERO
150
pF
CURRENT LIMIT
Peak Current-Limit Threshold
I
PEAK-LIMIT
MAX5986A
1.45
1.64
A
MAX5986B/
MAX5986C
CLASS2 = GND
0.75
0.81
CLASS2 = VDRV
0.85
0.94
MAX5987A
CLASS2 = GND
1.45
1.64
CLASS2 = VDRV
1.66
1.79
Runaway Current-Limit Threshold
I
RUNAWAY-
LIMIT
MAX5986A
1.9
A
MAX5986B/
MAX5986C
CLASS2 = GND
0.93
CLASS2 = VDRV
1.07
MAX5987A
CLASS2 = GND
1.9
CLASS2 = VDRV
2.2
Valley Current-Limit Threshold
I
VALLEY-
LIMIT
MAX5986A/MAX5987A
1.5
A
MAX5986B
0.75
ZX Threshold
I
ZX
25
mA
TIMINGS
Switching Frequency
f
SW
MAX5986A
245
275
305
kHz
MAX5986B/MAX5987A
190
215
238
MAX5986C
380
430
475
Frequency Foldback
f
SW-FOLD
MAX5986A
122.5
137.5    152.5
kHz
MAX5986B/MAX5987A
95
107.5
119
MAX5986C
195
215
238
Consecutive ZX Events for
Entering Foldback
8
Events
Consecutive ZX Events for Exiting
Foldback
8
Events
V
OUT
 Undervoltage Trip Level to
Cause HICCUP
V
OUT-HICF
After soft-start completed (Note 7)
55
60
65
%
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相關代理商/技術參數
參數描述
MAX5986AETE+ 功能描述:直流/直流開關轉換器 IEEE802.3 af PD w/ DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX5986AETE+T 功能描述:直流/直流開關轉換器 IEEE802.3 af PD w/ DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX5986BETE+ 功能描述:以太網 IC IEEE802.3 AF HI EFFICIENCY PD RoHS:否 制造商:Micrel 產品:Ethernet Switches 收發器數量:2 數據速率: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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
MAX5986EVKIT# 功能描述:電源管理IC開發工具 MAX5986 Eval Kit RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
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