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MAX6730UTMD4-T

更新时间： 2024-11-04 23:51:39
品牌 Logo 应用领域
美信 - MAXIM 监控
页数 文件大小 规格书
16页 243K
描述
Single-/Dual-/Triple-Voltage µ.P Supervisory Circuits with Independent Watchdog Output

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MAX6730UTMD4-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：SOT-23
包装说明：SOT-23, 6 PIN针数：6
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.27
其他特性：RESET THRESHOLD VOLTAGE IS 4.375V可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码：R-PDSO-G6
JESD-609代码：e0长度：2.9 mm
湿度敏感等级：1信道数量：1
功能数量：1端子数量：6
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：LSSOP
封装等效代码：TSOP6,.11,37封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：245
电源：1/5 V认证状态：Not Qualified
座面最大高度：1.45 mm子类别：Power Management Circuits
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：0.8 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：0.95 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：1.625 mmBase Number Matches：1

MAX6730UTMD4-T 数据手册

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19-2629; Rev 2; 1/03  
Single-/Dual-/Triple-Voltage µP Supervisory  
Circuits with Independent Watchdog Output  
General Description  
Features  
ꢀ V 1 (Primary Supply) Reset Threshold Voltages  
The MAX6730–MAX6735 single-/dual-/triple-voltage  
microprocessor (µP) supervisors feature a watchdog  
timer and manual reset capability. The MAX6730–  
MAX6735 offer factory-set reset thresholds for monitor-  
ing voltages from +0.9V to +5V and an adjustable reset  
input for monitoring voltages down to +0.63V. The com-  
bination of these features significantly improves system  
reliability and accuracy when compared to separate  
ICs or discrete components.  
CC  
from +1.575V to +4.63V  
ꢀ V 2 (Secondary Supply) Reset Threshold  
CC  
Voltages from +0.79V to +3.08V  
ꢀ Adjustable RSTIN Threshold for Monitoring  
Voltages Down to +0.63V (MAX6734/MAX6735 Only)  
ꢀ Six Reset Timeout Options  
ꢀ Watchdog Timer with Independent Watchdog Output  
35s (min) Initial Watchdog Startup Period  
The active-low reset output asserts and remains asserted  
for the reset timeout period after all the monitored volt-  
ages exceed their respective thresholds. Multiple factory-  
set reset threshold combinations reduce the number of  
external components required. The MAX6730/MAX6731  
monitor a single fixed voltage, the MAX6732/MAX6733  
monitor two fixed voltages, and the MAX6734/MAX6735  
monitor two fixed voltages and one adjustable voltage. All  
devices are offered with six minimum reset timeout peri-  
ods ranging from 1.1ms to 1120ms.  
1.12s (min) Normal Watchdog Timeout Period  
ꢀ Manual Reset Input  
(MAX6730/MAX6731/MAX6734/MAX6735)  
ꢀ Guaranteed Reset Valid down to  
V
1 or V 2 = +0.8V  
CC  
CC  
ꢀ Push-Pull RESET or Open-Drain RESET Output  
ꢀ Immune to Short V Transients  
CC  
The MAX6730–MAX6735 feature a watchdog timer with  
an independent watchdog output. The watchdog timer  
prevents system lockup during code execution errors.  
A watchdog startup delay of 54s after reset asserts  
allows system initialization during power-up. The watch-  
dog operates in normal mode with a 1.68s delay after  
initialization. The MAX6730/MAX6732/MAX6734 provide  
an active-low, open-drain watchdog output. The  
MAX6731/MAX6733/MAX6735 provide an active-low,  
push-pull watchdog output.  
ꢀ Low Supply Current: 14µA (typ) at +3.6V  
ꢀ Small 6-Pin and 8-Pin SOT23 Packages  
Ordering Information  
PART*  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
6 SOT23-6  
6 SOT23-6  
6 SOT23-6  
6 SOT23-6  
8 SOT23-8  
8 SOT23-8  
MAX6730UT_D_ -T  
MAX6731UT_D_ -T  
MAX6732UT_ _D_ -T  
MAX6733UT_ _D_ -T  
MAX6734KA_ _D_ -T  
MAX6735KA_ _D_ -T  
Other features include a manual reset input (MAX6730/  
MAX6731/MAX6734/MAX6735) and push-pull reset out-  
put (MAX6731/MAX6733/MAX6735) or open-drain reset  
output (MAX6730/MAX6732/MAX6734). The MAX6730–  
MAX6733 are offered in a tiny SOT23-6 package. The  
MAX6734/MAX6735 are offered in a space-saving  
SOT23-8 package. All devices are fully specified over  
the extended temperature range (-40°C to +85°C).  
*Note: Insert the threshold level suffixes for V 1 and V  
2
CC  
CC  
(Table 1) after “UT” or “KA.” For the MAX6730/MAX6731, insert  
Applications  
only the V 1 threshold suffix after the “UT.” Insert the reset  
CC  
timeout delay (Table 2) after “D” to complete the part number.  
Multivoltage Systems  
Telecom/Networking Equipment  
Computers/Servers  
For example, the MAX6732UTLTD3-T provides a V 1 threshold  
CC  
of +4.625V, a V 2 threshold of +3.075V, and a 210ms reset  
CC  
timeout period. Sample stock is generally held on standard ver-  
sions only (see the Standard Versions table). Standard versions  
have an order increment requirement of 2500 pieces.  
Nonstandard versions have an order increment requirement of  
10,000 pieces. Contact factory for availability.  
Portable/Battery-Operated Equipment  
Industrial Equipment  
Printer/Fax  
Set-Top Boxes  
Typical Operating Circuit and Pin Configurations appear 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.  
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