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参数资料
| 型号： | MAX5984AETI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/22页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR PD IEEE W/MOSFT 28TQFN |
| 标准包装： | 2,500 |
| 系列： | * |
______________________________________________________________________________________ 11
MAX5984
Single-Port, 40W, IEEE 802.3af/802.3at PSE
Controller with Integrated MOSFET
Pin Description
Pin Configuration
26
27
25
24
10
9
11
V EE
ILIM1
ILIM2
2-EVENT/PWMEN/LSCE
N
MIDSPAN
12
V EE
N.C.
LED
AGND
N.C.
I.C.
12
OUTP
45
67
20
21
19
17
16 15
OUT
VEE_DIG
I.C.
MAX5984
V EE
OSC
3
18
28
8
N.C.
I.C.
N.C.
23
13 LEGACY
DET
22
14 EN
*EXPOSED PAD, CONNECT TO AGND.
*EP
N.C.
THIN QFN
TOP VIEW
+
PIN
NAME
FUNCTION
1, 2, 3
VEE
Analog Low-Side Supply Input. Bypass with an external 100V, 47FF capacitor in parallel with a
100V, 0.1FF ceramic capacitance between AGND and VEE.
4
ILIM1
Class 5 Current-Limit Digital Adjust 1. Referenced to VEE. ILIM1 is internally pulled up to the digital
supply. Use ILIM1 with ILIM2 to enable Class 5 operation and to adjust the Class 5 current-limit
value. See the Electrical Characteristics table and Table 3 for details.
5
ILIM2
Class 5 Current-Limit Digital Adjust 2. Referenced to VEE. ILIM2 is internally pulled up to the digital
supply. Use ILIM2 with ILIM1 to enable Class 5 operation and to adjust the Class 5 current-limit
value. See the Electrical Characteristics table and Table 3 for details.
6
2-EVENT
(MAX5984A/
MAX5984B)
2-Event Classification Select. Referenced to VEE. 2-EVENT is internally pulled up to the digital
supply. Leave unconnected to disable 2-Event classification. Force low to enable the 2-Event
classification. See the 2-Event PD Classification section for more details. Change status of this
bit only when the part is in reset state. The MAX5984C/MAX5984D are enabled.
PWMEN
(MAX5984C)
PWM Control Logic Input. Referenced to VEE. PWMEN is internally pulled up to the digital supply.
Leave unconnected to enable the internal PWM to drive the LED pin. Force low to disable the
internal PWM. The MAX5984A/MAC5984B/MAX5984D are enabled.
LSCEN
(MAX5984D)
Load Stability Check Function Select. Referenced to VEE. LSCEN is internally pulled up to the
digital supply. Leave unconnected to enable the load stability check function. Force low to disable
the load stability check function. Change status of this bit only when the part is in reset state.
The MAX5984A is disabled but the MAX5984B/MAX5984C are enabled.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5984BETI+ | 制造商:Maxim Integrated Products 功能描述:SINGLE-PORT 40W IEEE 802.3AF/AT PSE CONTROLLER WITH INTEGRAT - Rail/Tube |
| MAX5984CETI+ | 制造商:Maxim Integrated Products 功能描述:SINGLE-PORT 40W IEEE 802.3AF/AT PSE CONTROLLER WITH INTEGRAT - Rail/Tube |
| MAX5984DETI+ | 功能描述:其他电源管理 1-Port 40W IEEE 802.3af/at PSE Ctlr RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel |
| MAX5984DETI+T | 功能描述:其他电源管理 1-Port 40W IEEE 802.3af/at PSE Ctlr RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel |
| MAX5986AETE+ | 功能描述:直流/直流开关转换器 IEEE802.3 af PD w/ DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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