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參數資料
| 型號： | MAX5986AETE+ |
| 廠商： | Maxim Integrated |
| 文件頁數： | 3/23頁 |
| 文件大小： | 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： | 是 |
| 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
3
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. V
CLASS2
= 0V, V
MPS
= 0V (except for
MAX5986A). 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
V
DD
Turn-On Voltage
V
ON
V
DD
rising
MAX5986A/B/C
34.3
35.7
37.6
V
MAX5987A
37.2
38.7
40
V
DD
Turn-Off Voltage
V
OFF
V
DD
falling
30
31.4
V
V
DD
Turn-On/Off Hysteresis
V
HYST_UVLO
(Note 6)
MAX5986A/B/C
3.4
4.2
V
MAX5987A
7.2
V
DD
Deglitch Time
t
OFF_DLY
V
DD
falling from
40V to 20V
(Note 5)
MAX5986A
116
Fs
MAX5986B/C/
MAX5987A
150
Inrush to Operating Mode Delay
t
DELAY
t
DELAY
= time from
a (V
DD
- V
CC
) 1.5V
to 0V
MAX5986A
90
ms
MAX5986B/C/
MAX5987A
123
Isolation Power MOSFET
On-Resistance
R
ON_ISO
I
VCC
= 100mA
T
J
= +25NC
1.2
I
T
J
= +85NC
1.5
MAINTAIN POWER SIGNATURE (MPS = VDRV)
PoE MPS Current Rising Threshold I
MPS_RISE
MAX5986B/MAX5986C/MAX5987A only
18
28.7
40
mA
PoE MPS Current Falling
Threshold
I
MPS_FALL
MAX5986B/MAX5986C/MAX5987A only
14
24
35
mA
PoE MPS Current Threshold
Hysteresis
I
MPS_HYS
MAX5986B/MAX5986C/MAX5987A only
4.3
mA
PoE MPS Output Average Current
I
MPS_AVE
MAX5986B/MAX5986C/MAX5987A only
4.8
mA
PoE MPS Peak Output Current
I
MPS_PEAK
MAX5986B/MAX5986C/MAX5987A only
10
12.6
mA
PoE MPS Time High
t
MPS_HIGH
MAX5986B/MAX5986C/MAX5987A only
95
ms
PoE MPS Time Low
t
MPS_LOW
MAX5986B/MAX5986C/MAX5987A only
190
ms
CURRENT LIMIT
Inrush Current Limit
I
INRUSH
During initial turn-on period,
V
DD
- V
CC
= 4V, measured at V
CC
39
49
60
mA
Current Limit During Normal
Operation
I
LIM
After inrush completed,
V
CC
= V
DD
1.5V,
measured at V
CC
MAX5986A
175
201
226
mA
MAX5986B/C/
MAX5987A
290
323
360
WAD Detection Rising Threshold
V
WAD_RISE
(Note 9)
8.8
V
WAD Detection Falling Threshold
V
WAD_FALL
(Note 9)
5.8
V
WAD Detection Hysteresis
0.6
V
WAD Input Current
I
WAD
V
WAD
= 24V
125
FA
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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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