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MAX1259EWE-T

更新时间： 2024-11-27 19:55:55
品牌 Logo 应用领域
美信 - MAXIM 光电二极管
页数 文件大小 规格书
7页 164K
描述
Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDSO16, SOP-16

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MAX1259EWE-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, SOP16,.4针数：16
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.31
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码：R-PDSO-G16JESD-609代码：e0
长度：10.3 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：16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：SOP16,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：245认证状态：Not Qualified
座面最大高度：2.65 mm子类别：Power Management Circuits
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：4.5 V
标称供电电压 (Vsup)：5 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn85Pb15)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：7.5 mm
Base Number Matches：1

MAX1259EWE-T 数据手册

 浏览型号MAX1259EWE-T的Datasheet PDF文件第2页浏览型号MAX1259EWE-T的Datasheet PDF文件第3页浏览型号MAX1259EWE-T的Datasheet PDF文件第4页浏览型号MAX1259EWE-T的Datasheet PDF文件第5页浏览型号MAX1259EWE-T的Datasheet PDF文件第6页浏览型号MAX1259EWE-T的Datasheet PDF文件第7页 
19-4638; Rev 2; 11/05  
Battery Manager  
MAX1259  
General Description  
Features  
♦ Switches to Backup Battery if Power Fails  
♦ Consumes Less than 100nA of Battery Current  
The MAX1259 battery manager provides backup-battery  
switching for CMOS RAM, microprocessors, or other  
low-power logic ICs. It automatically switches to the  
backup battery when the primary power supply is inter-  
rupted. Low-loss switches guarantee an input-to-output  
differential of only 200mV while supplying 250mA from  
the primary power supply or 15mA from the battery.  
♦ Power-Fail Output Signals Primary  
Power-Supply Loss  
♦ Battery Monitor Indicates Low Battery  
♦ Battery Can Be Disconnected to Prevent  
Discharge During Shipping  
Battery discharge during shipping does not occur in the  
MAX1259, since the backup battery can be disconnect-  
ed by strobing the RST input.  
♦ Battery Automatically Reconnected when  
V
CC  
is Applied  
♦ Pin-Compatible with the DS1259  
♦ Supply Current Three Times Lower than DS1259  
A battery-fail output signal indicates when the backup  
battery is below +2V, and a power-fail output signal indi-  
cates when the primary power supply is low. The  
MAX1259 monitors the backup battery, warns of  
impending power failures, and switches the memory to  
the battery when failures occur. The MAX1259 is pin-  
compatible with the DS1259, but consumes three times  
less supply current. Commercial, extended, and military  
temperature range devices are available.  
♦ Available in Extended-Industrial and Military  
Temperature Ranges  
Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX1259C/D  
0°C to +70°C  
Dice*  
MAX1259CPE  
MAX1259CWE  
MAX1259EPE  
MAX1259EWE  
MAX1259MJE  
0°C to +70°C  
0°C to +70°C  
16 PDIP  
16 Wide SO  
16 PDIP  
Applications  
Battery Backup for CMOS RAM  
Uninterruptible Power Supplies  
Computers  
-40°C to +85°C  
-40°C to +85°C  
-55°C to +125°C  
16 Wide SO  
16 CERDIP  
Controllers  
*Contact factory for dice specifications.  
Automotive Systems  
Devices in PDIP and SO packages are available in both leaded  
and lead-free packaging. Specify lead free by adding the + sym-  
bol at the end of the part number when ordering. Lead free not  
available for CERDIP package.  
Functional Diagram  
V
V
Pin Configuration  
CCO  
CCI  
TOP VIEW  
V
V
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
N.C.  
CCI  
CCI  
V
BATT  
V
BATT  
BF  
MAX1259  
RESET  
LOGIC  
RST  
N.C.  
V
N.C.  
BAT  
RST  
GND  
GND  
CCO  
PF  
BF  
V
CCO  
PF  
N.C.  
N.C.  
REF  
MAX1259  
BAT  
GND  
DIP/SO  
________________________________________________________________ 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

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