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MAX5948BESA-T

更新时间： 2024-11-19 13:01:23
品牌 Logo 应用领域
美信 - MAXIM 控制器
页数 文件大小 规格书
18页 684K
描述
Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, 0.150 INCH, MS-012AA, SOIC-8

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MAX5948BESA-T 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP, SOP8,.25针数：8
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.32
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G8JESD-609代码：e0
长度：4.9 mm信道数量：1
功能数量：1端子数量：8
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：245
电源：48 V认证状态：Not Qualified
座面最大高度：1.75 mm子类别：Power Management Circuits
最大供电电流 (Isup)：2 mA最大供电电压 (Vsup)：80 V
最小供电电压 (Vsup)：20 V标称供电电压 (Vsup)：48 V
表面贴装：YES技术：BICMOS
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

MAX5948BESA-T 数据手册

 浏览型号MAX5948BESA-T的Datasheet PDF文件第2页浏览型号MAX5948BESA-T的Datasheet PDF文件第3页浏览型号MAX5948BESA-T的Datasheet PDF文件第4页浏览型号MAX5948BESA-T的Datasheet PDF文件第5页浏览型号MAX5948BESA-T的Datasheet PDF文件第6页浏览型号MAX5948BESA-T的Datasheet PDF文件第7页 
19-3473; Rev 0; 10/04  
-48V Hot-Swap Controllers  
with External R  
SENSE  
General Description  
Features  
The MAX5948A/MAX5948B are hot-swap controllers  
that allow a circuit card to be safely hot plugged into a  
live backplane. The MAX5948A/MAX5948B operate  
from -20V to -80V and are well-suited for -48V power  
systems. The MAX5948A is pin- and function-compati-  
ble with both the LT1640AL and LT1640L. The  
MAX5948B is pin- and function-compatible with both  
the LT1640AH and LT1640H.  
♦ Allow Safe Board Insertion and Removal from a  
Live -48V Backplane  
♦ Pin- and Function-Compatible with  
LT1640AL/LT1640L (MAX5948A)  
♦ Pin- and Function-Compatible with  
LT1640AH/LT1640H (MAX5948B)  
♦ Withstand -100V Input Transients with No  
The MAX5948A/MAX5948B provide a controlled turn-on  
to circuit cards preventing glitches on the power-supply  
rail and damage to board connectors and components.  
The MAX5948A/MAX5948B provide undervoltage, over-  
voltage, and overcurrent protection. These devices  
ensure the input voltage is stable and within tolerance  
before applying power to the load.  
External Components  
♦ Operate from -20V to -80V  
♦ Programmable Inrush and Short-Circuit Current  
Limits  
♦ Programmable Overvoltage Protection  
♦ Programmable Undervoltage Lockout  
♦ Power Up into a Shorted Load  
Both the MAX5948A and MAX5948B protect a system  
against overcurrent and short-circuit conditions by turning  
off the external MOSFET in the event of a fault condition.  
Both devices feature an open-drain power-good status  
output, PWRGD for MAX5948A or PWRGD for  
MAX5948B, that can be used to enable downstream  
converters.  
♦ Power-Good Control Output  
Ordering Information  
The MAX5948A/MAX5948B are available in an 8-pin SO  
package. Both devices are specified for the extended  
-40°C to +85°C temperature range.  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
8 SO  
MAX5948AESA  
MAX5948BESA  
8 SO  
Applications  
Selector Guide  
Central-Office Switching  
Network Switches/Routers  
Server Line Cards  
PART  
PWRGD POLARITY  
Active Low (PWRGD)  
Active High (PWRGD)  
MAX5948AESA  
Base-Station Line Cards  
MAX5948BESA  
Pin Configuration  
TOP VIEW  
PWRGD  
(PWRGD)  
1
2
3
4
8
7
6
5
V
DD  
OV  
UV  
DRAIN  
GATE  
MAX5948A  
MAX5948B  
V
SENSE  
EE  
SO  
( ) FOR MAX5948B.  
Typical Operating Circuit appears at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...18

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