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参数资料
| 型号： | MAX5922BEUI+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 11/21页 |
| 文件大小： | 437K |
| 描述： | IC NETWORK PWR SW +48V 28-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 以太网供电开关（PoE） |
| 应用： | 远程外设（工业控制，相机，数据访问） |
| 内部开关： | 是 |
| 电源电压： | 32 V ~ 60 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 28-TSSOP |
| 包装： | 管件 |
+48V, Single-Port Network Power Switch
For Power-Over-LAN
______________________________________________________________________________________ 11
PIN
NAME
FUNCTION
21
ZC_EN
Zero-Current-Detection Enable Logic Input. Referenced to DGND. Connect ZC_EN to a logic high to
enable the zero-current detection circuitry. Connect ZC_EN to a logic low to disable this function.
22
EN
ON/OFF Control-Logic Input. Referenced to DGND. Connect to a logic high to enable the device.
Connect to a logic low to disable the device and reset a latched-off condition.
23
V
DIG
Digital Supply Voltage. V
DIG
is the supply voltage for the internal digital logic circuity. EN, LATCH,
CLASS, DET_DIS, DCA, and ZC_EN input logic thresholds are automatically scaled to the voltage on
V
DIG
. See the Typical Application Circuit for proper filtering.
24
CLASS
Classification Enable Digital Input. Connect to DGND to disable the classification function. Connect to
V
DIG
to enable the classification function.
DET_DIS
PD Detection Disable Logic Input. When DET_DIS is connected to a logic high, the part skips the
detection and classification (regardless of the status of CLASS) phases and powers on immediately
after EN = high (MAX5922B/MAX5922C only).
25
DCA
Detection Collision Avoidance Logic Input. Connect to a logic high to activate the detection collision
avoidance circuitry for midspan system. Connect to DGND to disable this function. (MAX5922A only).
See the Detection Collision Avoidance section.
27, 28
OUT
Output Voltage
Pin Description (continued)
CLASS
POK
VDIG
EN
LATCH
ZC_EN
DCA
CL2
CL1
CL0
DGND
N
N
N
N
N
N
ZC
FAULT
LOGIC-
LEVEL
TRANSLATOR
LOGIC
CONTROL
ANALOG
CONTROL
VOLTAGE
REGULATOR
OSC
DETECTION
AND
CLASSIFICATION
CIRCUITRY
CHARGE
PUMP
N
IN
CSP
DRAIN
OUT
UVLO
RCL
RDT
AGND
MAX5922
Figure 1. MAX5922 Block Diagram
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5922BEUI+ | 功能描述:热插拔功率分布 48V Single-Port Network Power Switch RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5922BEUI+T | 功能描述:热插拔功率分布 48V Single-Port Network Power Switch RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5922BEUI-T | 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5922CEUI | 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5922CEUI+ | 功能描述:热插拔功率分布 48V Single-Port Network Power Switch RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
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