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參數(shù)資料
| 型號： | MAX5986AETE+ |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 11/23頁 |
| 文件大?。?/td> | 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 開關(guān)（PoE） |
| 應(yīng)用： | 供電設(shè)備（PSE） |
| 內(nèi)部開關(guān)： | 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(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
11
Maxim Integrated
Pin Description
Pin Configurations
PIN
NAME
FUNCTION
MAX5986A
MAX5986B/
MAX5986C
MAX5987A
1
1
1
AUX
Auxiliary Voltage Input. Auxiliary input to the internal regulator (VDRV).
Connect AUX to the output of the buck converter if the output voltage is
greater than 4.75V to back bias the internal circuitry and increase efficiency.
Connect to a clean ground when not used.
2
2
2
LX
Inductor Connection. Inductor connection for the internal DC-DC converter.
3
3
LED
LED Driver Output. In sleep mode, LED sources a periodic current (I
LED
) at
250Hz with 25% duty cycle.
3
LDO_IN
LDO Input Voltage. Connect LDO_IN to output when used, otherwise connect to
GND. Connect a minimum 1FF bypass capacitor between LDO_IN and GND.
4
4
WK
Wake Mode Enable Input. WK has an internal 50kI pullup resistor to the
internal 5V bias rail. A falling edge on WK brings the device out of sleep mode
and into the normal operating mode (wake mode).
4
LDO_OUT
LDO Output Voltage. Connect a minimum 1FF output capacitor between
LDO_OUT and GND.
5
5
5
FB
Feedback. Feedback input for the DC-DC buck converter. Connect FB to a
resistive divider from the output to GND to adjust the output voltage.
15
16
14
13
6
5
7
8
1
2
V
CC
4
12
11
9
PGND
RREF
*EP
*EP
*EXPOSED PAD, CONNECT TO GND
( ) Applies to MAX5986B/MAX5986C
*EXPOSED PAD, CONNECT TO GND
SL
VDRV
GND
FB
+
3
10
V
DD
TQFN
MAX5986A
MAX5986B
MAX5986C
TOP VIEW
15
16
14
13
6
5
7
8
1
2
V
CC
4
12
11
9
PGND
RREF
LDO_FB
VDRV
GND
FB
+
3
10
V
DD
TQFN
MAX5987A
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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 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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