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MAX16021LTES+

更新时间： 2024-09-17 05:56:39
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理
页数 文件大小 规格书
21页 459K
描述
Power Management Circuit, BICMOS, PQCC16,

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MAX16021LTES+ 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：QCCN, LCC16,.16SQ,25
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：2.33JESD-30 代码：S-PQCC-N16
JESD-609代码：e3湿度敏感等级：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：QCCN封装等效代码：LCC16,.16SQ,25
封装形状：SQUARE封装形式：CHIP CARRIER
峰值回流温度（摄氏度）：225电源：1.5/5.5 V
认证状态：Not Qualified子类别：Power Management Circuits
最大供电电流 (Isup)：0.005 mA表面贴装：YES
技术：BICMOS温度等级：INDUSTRIAL
端子面层：MATTE TIN端子形式：NO LEAD
端子节距：0.635 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED

MAX16021LTES+ 数据手册

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19-4145; Rev 6; 11/11  
Low-Power µP Supervisory Circuits with  
Battery-Backup Circuit and Chip-Enable Gating  
/MAX6021  
General Description  
Features  
o System Monitoring for 5V, 3.3V, 3V, 2.5V, or 1.8V  
The MAX16016/MAX16020/MAX16021 supervisory cir-  
cuits monitor power supplies, provide battery-backup  
control, and chip-enable (CE) gating to write protect  
memory in microprocessor (µP)-based systems. These  
low-power devices improve system reliability by providing  
several supervisory functions in a small, single integrated  
solution.  
Power-Supply Voltages  
o 1.53V to 5.5V Operating Voltage Range  
o Low 1.2µA Supply Current (0.25µA in Battery-  
Backup Mode)  
o 145ms (min) Reset Timeout Period  
o Battery Freshness Seal  
The MAX16016/MAX16020/MAX16021 perform four  
basic system functions:  
o On-Board Gating of CE Signals, 1.5ns  
Propagation Delay (MAX16020/MAX16021)  
1) Provide a µP reset output during V  
supply power-  
CC  
o Debounced Manual Reset Input  
o Watchdog Timer, 1.2s (typ) Timeout  
up, power-down, and brownout conditions.  
2) Control V to battery-backup switching internally  
CC  
o Power-Fail Comparator and Low-Line Indicator for  
to maintain data or low-power operation for memo-  
ries, real-time clocks (RTCs), and other digital logic  
when the main power is removed.  
Monitoring Voltages Down to 0.6V  
o Battery-On, Battery-OK, and Battery Test  
Indicators  
3) Provide memory write protection through internal  
chip-enable gating during brownout.  
o Small 10-Pin TDFN or 16-Pin TQFN Packages  
o UL -Certified to Conform to IEC 60950-1  
®
4) Provide a combination of additional supervisory  
functions listed in the Features section.  
Ordering Information  
The MAX16016/MAX16020/MAX16021 operate from a  
1.53V to 5.5V supply voltage and offer fixed reset  
thresholds for monitoring 5V, 3.3V, 3V, 2.5V, and 1.8V  
systems. Each device is available with either a push-  
pull or open-drain reset output.  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX16016_TB_+T  
-40°C to +85°C  
10 TDFN-EP*  
The first placeholder “_” designates all output options. Letter  
“L” indicates push-pull outputs and letter “P” indicates open-  
drain outputs. The last placeholder “_” designates the reset  
threshold (see Table 1).  
T = Tape and reel.  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
The MAX16016/MAX16020/MAX16021 are available in  
small TDFN/TQFN packages and are fully specified for  
an operating temperature range of -40°C to +85°C.  
Applications  
Main/Backup Power for RTCs, CMOS Memories  
Ordering Information continued at end of data sheet.  
Selector Guide located at end of data sheet.  
Industrial Control  
Pin Configurations  
GPS Systems  
TOP VIEW  
Set-Top Boxes  
Point-of-Sale Equipment  
Portable/Battery Equipment  
16  
15  
14  
13  
BATT  
MR  
1
2
3
4
12 RESET  
11 GND  
10 PFO  
+
MAX16020  
PFI  
EP  
WDI  
9
WDO  
5
6
7
8
TQFN  
Pin Configurations continued at end of data sheet.  
UL is a registered trademark of Underwriters Laboratories, Inc.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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