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MAX6383LT20D7-T

产品描述Supervisory Circuits Single uPower Reset Circuit
产品类别半导体    电源管理   
文件大小311KB,共10页
制造商Maxim(美信半导体)
官网地址https://www.maximintegrated.com/en.html
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MAX6383LT20D7-T概述

Supervisory Circuits Single uPower Reset Circuit

MAX6383LT20D7-T规格参数

参数名称属性值
Product AttributeAttribute Value
制造商
Manufacturer
Maxim(美信半导体)
产品种类
Product Category
Supervisory Circuits
RoHSDetails
类型
Type
Voltage Supervisory
安装风格
Mounting Style
SMD/SMT
封装 / 箱体
Package / Case
UDFN-6
阈值电压
Threshold Voltage
1.8 V to 5 V
被监测输入数
Number of Inputs Monitored
1 Input
输出类型
Output Type
Active Low, Open Drain
人工复位
Manual Reset
No Manual Reset
看门狗计时器
Watchdog Timers
No Watchdog
Battery Backup SwitchingNo Backup
Reset Delay Time2400 ms
电源电压-最大
Supply Voltage - Max
5.5 V
最大工作温度
Maximum Operating Temperature
+ 125 C
最小工作温度
Minimum Operating Temperature
- 40 C
系列
Packaging
Reel
高度
Height
0.75 mm
长度
Length
1.5 mm
宽度
Width
1 mm
过电压阈值
Overvoltage Threshold
2.05 V
欠电压阈值
Undervoltage Threshold
1.95 V
Chip Enable SignalsNo Chip Enable
工作电源电流
Operating Supply Current
7 uA
Pd-功率耗散
Pd - Power Dissipation
167.7 mW
Power Fail DetectionNo
工厂包装数量
Factory Pack Quantity
2500
电源电压-最小
Supply Voltage - Min
1 V

文档预览

下载PDF文档
19-1839; Rev 5; 7/12
SC70/µDFN, Single/Dual Low-Voltage,
Low-Power µP Reset Circuits
General Description
The MAX6381–MAX6390 microprocessor (µP) supervisory
circuits monitor power-supply voltages from +1.8V to
+5.0V while consuming only 3µA of supply current at
+1.8V. Whenever V
CC
falls below the factory-set reset
thresholds, the reset output asserts and remains assert-
ed for a minimum reset timeout period after V
CC
rises
above the reset threshold. Reset thresholds are available
from +1.58V to +4.63V, in approximately 100mV incre-
ments. Seven minimum reset timeout delays ranging
from 1ms to 1200ms are available.
The MAX6381/MAX6384/MAX6387 have a push-pull
active-low reset output. The MAX6382/MAX6385/
MAX6388 have a push-pull active-high reset output,
and the MAX6383/MAX6386/MAX6389/MAX6390
have an open-drain active-low reset output. The
MAX6384/MAX6385/MAX6386 also feature a
debounced manual reset input (with internal pullup
resistor). The MAX6387/MAX6388/MAX6389 have an
auxiliary input for monitoring a second voltage. The
MAX6390 offers a manual reset input with a longer V
CC
reset timeout period (1120ms or 1200ms) and a shorter
manual reset timeout (140ms or 150ms).
The MAX6381/MAX6382/MAX6383 are available in
3-pin SC70 and 6-pin µDFN packages and the
MAX6384–MAX6390 are available in 4-pin SC70 and
6-pin µDFN packages.
Features
o
Factory-Set Reset Threshold Voltages Ranging
from +1.58V to +4.63V in Approximately 100mV
Increments
o
±2.5% Reset Threshold Accuracy Over
Temperature (-40°C to +125°C)
o
Seven Reset Timeout Periods Available: 1ms,
20ms, 140ms, 280ms, 560ms, 1120ms,
1200ms (min)
o
3 Reset Output Options
Active-Low Push-Pull
Active-High Push-Pull
Active-Low Open-Drain
o
Reset Output State Guaranteed Valid
Down to V
CC
= 1V
o
Manual Reset Input (MAX6384/MAX6385/MAX6386)
o
Auxiliary RESET IN (MAX6387/MAX6388/MAX6389)
o
V
CC
Reset Timeout (1120ms or 1200ms)/Manual
Reset Timeout (140ms or 150ms) (MAX6390)
o
Negative-Going V
CC
Transient Immunity
µ
o
Low Power Consumption of 6µA at +3.6V
µ
and 3µA at +1.8V
o
Pin Compatible with
MAX809/MAX810/MAX803/MAX6326/MAX6327/
MAX6328/MAX6346/MAX6347/MAX6348,
and MAX6711/MAX6712/MAX6713
o
Tiny 3-Pin/4-Pin SC70 and 6-Pin
µ
DFN Packages
MAX6381–MAX6390
Applications
Computers
Controllers
Intelligent Instruments
Critical µP and µC
Power Monitoring
Portable/Battery-
Powered Equipment
Dual Voltage Systems
Ordering Information
PART
MAX6381LT_
_D_+T
MAX6381XR_ _D_+T
MAX6381XR_ _D_/V+T
MAX6382LT_
_D_+T
MAX6382XR_ _D_+T
TEMP RANGE
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
PIN-
PACKAGE
6 µDFN
3 SC70
3 SC70
6 µDFN
3 SC70
Pin Configurations
TOP VIEW
GND
6
GND 1
N.C.
5
V
CC
4
RESET
(RESET) 2
MAX6381
MAX6382
MAX6383
3
V
CC
MAX6381
MAX6382
MAX6383
1
RESET
(RESET)
2
N.C.
3
N.C
SC70
( ) IS FOR MAX6382
Note:
Insert reset threshold suffix (see Reset Threshold table)
after "XR", "XS", or "LT." Insert reset timeout delay (see Reset
Timeout Delay table) after "D" to complete the part number.
Sample stock is generally held on standard versions only (see
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 of nonstandard versions.
+Denotes
a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
Ordering Information continued at end of data sheet.
Typical Operating Circuit appears at end of data sheet.
Selector Guide appears at end of data sheet.
1
µDFN
Pin Configurations continued at end of data sheet.
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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