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MAX705MJA-

产品描述Supervisory Circuits
产品类别半导体    电源管理   
文件大小146KB,共16页
制造商Maxim(美信半导体)
官网地址https://www.maximintegrated.com/en.html
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MAX705MJA-概述

Supervisory Circuits

MAX705MJA-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
类型
Type
Voltage Supervisory
安装风格
Mounting Style
Through Hole
封装 / 箱体
Package / Case
CDIP-Narrow-8
阈值电压
Threshold Voltage
4.65 V
被监测输入数
Number of Inputs Monitored
1 Input
输出类型
Output Type
Active Low, Push-Pull
人工复位
Manual Reset
Manual Reset
看门狗计时器
Watchdog Timers
Watchdog
Battery Backup SwitchingNo Backup
Reset Delay Time280 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
- 55 C
高度
Height
3.3 mm
长度
Length
10.29 mm (Max)
宽度
Width
7.87 mm
过电压阈值
Overvoltage Threshold
4.75 V
欠电压阈值
Undervoltage Threshold
4.5 V
Chip Enable SignalsNo Chip Enable
NumOfPackaging1
工作电源电流
Operating Supply Current
500 uA
Pd-功率耗散
Pd - Power Dissipation
640 mW
Power Fail DetectionYes
电源电压-最小
Supply Voltage - Min
1.2 V

文档预览

下载PDF文档
19-1306; Rev 0; 10/97
EVALUATION KIT
AVAILABLE
Serial-to-Parallel/Parallel-to-Serial Converters and
Load-Switch Controllers with SMBus Interface
________________General Description
The MAX1661/MAX1662/MAX1663 serial-to-parallel/
parallel-to-serial converters are intended to control external
power MOSFETs in power-plane switching applications.
These small, low-cost devices can be used on a system
motherboard to control point-of-load switching from a 2-
wire SMBus™ serial interface. Each device has three high-
voltage open-drain outputs that double as TTL-level logic
inputs, giving them bidirectional capabilities. The I/O pins
can withstand +28V, so they can control battery voltage-
distribution switches in notebook computers.
The MAX1661 is intended for driving N-channel MOSFETs
and its outputs are low upon power-up. The MAX1662/
MAX1663 are intended for P-channel MOSFETs, and their
outputs are high-impedance upon power-up. This ensures
that the MOSFETs are off at power-up, so the system can
enforce power-plane sequencing.
The
SMBSUS
control input selects control data between
two separate data registers. This feature allows the system
to select between two different power-plane configurations
asynchronously, eliminating latencies introduced by the
serial bus. Other features include thermal-overload and
overcurrent protection, ultra-low supply current, and both
hardware and software interrupt capabilities. These
devices are available in the space-saving 10-pin µMAX
package.
____________________________Features
o
Performs Serial-to-Parallel and Parallel-to-Serial
Conversions
o
Three General-Purpose Digital Input/Output Pins
(withstand +28V)
o
SMBus 2-Wire Serial Interface
o
Supports
SMBSUS
Asynchronous Suspend Mode
o
3µA Supply Current
o
+2.7V to +5.5V Supply Range
o
Space-Saving, Low-Cost 10-Pin µMAX Package
MAX1661/MAX1662/MAX1663
______________Ordering Information
PART
MAX1661EUB
MAX1662EUB
MAX1663EUB
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
10 µMAX
10 µMAX
10 µMAX
__________________Pin Configuration
TOP VIEW
V
CC
1
I/O1
2
3
4
5
10
ALERT
9
SMBCLK
SMBDATA
SMBSUS
ADD
________________________Applications
Power-Plane Switching
Point-of-Load Power-Bus Switching
Notebook and Subnotebook Computers
Desktop Computers
Smart Batteries
I/O2
I/O3
GND
MAX1661
MAX1662
MAX1663
8
7
6
µMAX
Typical Operating Circuits appear at end of data sheet.
______________________________________________________________Selector Guide
PART
x
MAX1661
POWER-ON-
RESET STATE
Outputs Low
INTENDED
APPLICATION
N-Channel MOSFETs
SMBus ADDRESS
ADDRESS PIN
GND
High-Z
V
CC
GND
High-Z
V
CC
GND
High-Z
V
CC
ADDRESS
0100000
0111100
1001000
0100001
0111101
1001001
0100010
0111110
1001010
MAX1662
Outputs High
(high-Z state)
Outputs High
(high-Z state)
P-Channel MOSFETs
MAX1663
P-Channel MOSFETs
SMBus is a trademark of Intel Corp.
________________________________________________________________
Maxim Integrated Products
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
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