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ZXCT1032N8TA

更新时间： 2024-11-29 03:07:19
品牌 Logo 应用领域
捷特科 - ZETEX 电源电路电源管理电路光电二极管电子控制器
页数 文件大小 规格书
10页 333K
描述
High-side inrush controller and electronic fuse

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中文翻译

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ZXCT1032N8TA 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：SOP-8Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.31Is Samacsys：N
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G8JESD-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
电源：20 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)：2.5 mA最大供电电压 (Vsup)：21 V
最小供电电压 (Vsup)：9.5 V标称供电电压 (Vsup)：20 V
表面贴装：YES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
宽度：3.9 mmBase Number Matches：1

ZXCT1032N8TA 数据手册

 浏览型号ZXCT1032N8TA的Datasheet PDF文件第2页浏览型号ZXCT1032N8TA的Datasheet PDF文件第3页浏览型号ZXCT1032N8TA的Datasheet PDF文件第4页浏览型号ZXCT1032N8TA的Datasheet PDF文件第5页浏览型号ZXCT1032N8TA的Datasheet PDF文件第6页浏览型号ZXCT1032N8TA的Datasheet PDF文件第7页 
ZXCT1032  
High-side inrush controller and electronic fuse  
Description  
The ZXCT1032 is a high-side current monitor While in this mode the internal current monitor  
that drives a PMOS or PNP transistor to continually checks the output current and  
provide in-rush current limit and over-current compares it to the trip-current level determined  
protection. The ZXCT1032 includes a high by V  
accuracy high-side current monitor, a start-up  
.
ISET  
Over-current disconnect/fuse  
timer and a re-try inhibit timer.  
If the trip current limit is exceeded at any time the  
ZXCT1032 enters its Over-current disconnect  
mode. The drive pin is driven high, turning the  
pass MOSFET off; the flag output goes low  
indicating a fault.  
The ZXCT1032 takes the voltage developed  
across a current shunt resistor and compares  
this with an externally set trip point. It works  
in three modes:  
•
•
•
Linear soft-start  
The drive and flag outputs are latched in these  
states for a period determined by C , V  
Over-current detector  
Over-current disconnect/fuse  
and the  
T
ISET  
internally set discharge current (3µA typical). After  
has discharged to 80mV the ZXCT1032 will  
C
Linear soft-start  
T
restart into its linear soft-start mode.  
Upon power up the ZXCT1032 enters a linear  
soft-start mode. During which the output  
current ramps up from zero to a maximum  
user defined trip point. The trip point is set by  
The C charge and discharge times have been  
T
ratioed to so that the power dissipation in the  
pass MOSFET should allow indefinite operation  
in the event of a continuous load failure.  
the voltage on I  
pin and R  
.
SET  
SENSE  
The ramp rate is determined by capacitor C .  
T
Pin 3 description:  
The soft start ensures that capacitive loads are  
smoothly charged without causing excessive  
power supply startup transients.  
Determines the load current trip level or  
constant current level. ISET can be left open  
circuit (internal 2.1V reference) or driven via a  
DC voltage or µC PWM output. Its source  
Over-current detectior  
When external capacitor CT has charged up impedance is 50k⍀.  
above the V  
the ZXCT1032 switches from its  
ISET  
soft-start mode to its over-current detection  
mode. During this mode the external MOSFET  
will be fully enhanced reducing the its voltage  
drop and power dissipation.  
Features  
Applications  
•
•
Accurate high-side current sensing  
•
•
•
•
Electronic fuse  
User defined and dynamically adjustable  
trip current  
Short circuit protected supply feed  
Hot swap  
•
•
•
•
•
Load switch control  
Fault flag logic output  
User defined ramp and inhibit timers  
SO8 package  
Temperature range -40 to 85°C  
Power over twisted pair  
Ordering information  
Order code  
Pack  
Part mark  
Reel size  
Tape width  
Quantity per reel  
ZXCT1032N8TA  
SO8  
1032  
7”  
12mm  
500  
Issue 3 - April 2007  
© Zetex Semiconductors plc 2007  
1
www.zetex.com  
1234567...10

中文翻译

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