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MAX817LESA+

更新时间： 2024-12-01 13:01:23
品牌 Logo 应用领域
美信 - MAXIM 微处理器监控
页数 文件大小 规格书
16页 115K
描述
Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8

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MAX817LESA+ 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP, SOP8,.25针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.22Is Samacsys：N
其他特性：RESET THRESHOLD VOLTAGE IS 4.65V可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：4.9 mm
湿度敏感等级：1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）：260
电源：5 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)：0.06 mA最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：标称供电电压 (Vsup)：4.75 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
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

MAX817LESA+ 数据手册

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19-0494; Rev 1; 3/96  
+5 V Mic ro p ro c e s s o r S u p e rvis o ry Circ u it s  
7,AX819L/M*  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
The MAX817/MAX818/MAX819 microprocessor (µP)  
supervisory circuits simplify power-supply monitoring,  
battery control, and chip-enable gating in µP systems  
b y re d uc ing the numb e r of c omp one nts re q uire d .  
These devices are designed for use in +5V-powered  
systems. Low supply current (11µA typical) and small  
package size make these devices ideal for portable  
applications. The MAX817/MAX818/MAX819 are specif-  
♦ Precision Supply-Voltage Monitor:  
4.65V (MAX81_L)  
4.40V (MAX81_M)  
♦ 11µA Quiescent Supply Current  
♦ 200ms Reset Time Delay  
♦ Watchdog Timer with 1.6sec Timeout  
(MAX817/MAX818)  
ically designed to ignore fast transients on V . Other  
CC  
♦ Battery-Backup Power Switching; Battery Voltage  
supervisory functions include active-low reset, backup-  
battery switchover, watchdog input, battery freshness  
seal, and chip-enable gating. The Selector Guide below  
lists the specific functions available from each device.  
Can Exceed V  
CC  
♦ Battery Freshness Seal  
♦ On-Board, 3ns Gating of Chip-Enable Signals  
These devices offer two pretrimmed reset threshold volt-  
ages for ±5% or ±10% power supplies: 4.65V for the L  
versions and 4.40V for the M versions. The MAX817/  
MAX818/MAX819 are available in space-saving µMAX  
packages, as well as 8-pin DIP/SO.  
(MAX818)  
♦ Uncommitted Voltage Monitor for Power-Fail or  
Low-Battery Warning (MAX817/MAX819)  
♦ Manual Reset Input (MAX819)  
______________Ord e rin g In fo rm a t io n  
_____________________S e le c t o r Gu id e  
†
PART  
TEMP. RANGE  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
PIN-PACKAGE  
8 Plastic DIP  
8 SO  
MAX817 MAX818 MAX819  
FEATURE  
MAX817_CPA  
MAX817_CSA  
MAX817_CUA  
L/M  
✔
L/M  
✔
L/M  
✔
Active-Low Reset  
8 µMAX  
✔
✔
✔
Backup-Battery Switchover  
Power-Fail Comparator  
Watchdog Input  
Ordering Information continued on last page.  
✔
✔
—
✔
✔
†
These parts offer a choice of reset threshold voltage. From the  
table below, select the suffix corresponding to the desired  
threshold and insert it into the blank to complete the part number.  
✔
—
✔
✔
✔
Battery Freshness Seal  
Manual Reset Input  
Chip-Enable Gating  
—
—
—
✔
—
SUFFIX  
RESET THRESHOLD (V)  
8-DIP/SO/ 8-DIP/SO/ 8-DIP/SO/  
L
4.65  
4.40  
Pin-Package  
µMAX  
µMAX  
µMAX  
M
Low-Power, Pin-  
MAX690A/  
Compatible Upgrades for: MAX692A  
MAX703/  
MAX704  
—
_________________P in Co n fig u ra t io n s  
________________________Ap p lic a t io n s  
Battery-Powered Computers and Controllers  
Embedded Controllers  
TOP VIEW  
1
2
3
4
8
7
6
5
BATT  
RESET  
WDI  
OUT  
Intelligent Instruments  
V
CC  
MAX817  
Critical µP Monitoring  
GND  
PFI  
Portable Equipment  
PFO  
DIP/SO/µMAX  
Typical Operating Circuit appears at end of data sheet.  
Pin Configurations continued at end of data sheet.  
*Patents Pending  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800  
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MAX817LESA+ 替代型号

型号 品牌 替代类型 描述 数据表
MAX817LCSA+T MAXIM

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