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A8178LLT PDF预览

A8178LLT

更新时间: 2024-02-28 04:01:18
品牌 Logo 应用领域
急速微 - ALLEGRO 线性稳压器IC调节器电源电路输出元件
页数 文件大小 规格书
4页 52K
描述
LOW-DROPOUT, 7.7 V PREREGULATOR

A8178LLT 技术参数

生命周期:Obsolete包装说明:,
Reach Compliance Code:compliant风险等级:5.84

A8178LLT 数据手册

 浏览型号A8178LLT的Datasheet PDF文件第2页浏览型号A8178LLT的Datasheet PDF文件第3页浏览型号A8178LLT的Datasheet PDF文件第4页 
8178  
PRODUCT PREVIEW  
(Subject to change without notice)  
April 5, 1996  
LOW-DROPOUT,  
7.7 V PREREGULATOR  
Designed specifically to meet the stringent requirements of automo-  
tive applications, the A8178LLR and A8178LLT provide an output  
voltage of 7.7 V ±15% for supply voltages greater than 6.9 V. They  
also provide a low-dropout tracking output for supply voltages down to  
2.5 V. These regulators are intended to be used with sensitive automo-  
tive electronics systems that do not have the capability of low dropout  
operation and cannot withstand the high-voltage transients typical of  
automotive applications. These 7.7 V preregulators will withstand all  
ISO pulses (ignition coil disconnect requires an external diode) and will  
continue to operate during positive power supply transients (noise).  
3
VR  
1
2
These devices are supplied in small-outline plastic transistor  
packages for surface-mount applications. The A8178LLR is supplied in  
the minimum footprint SOT-23/TO-236AB; the A8178LLT is furnished in  
the SOT-89/TO-243AA for increased allowable package power dissipa-  
tion.  
7.7 V  
VR  
1
2
3
Dwg. PD-0xx  
ABSOLUTE MAXIMUM RATINGS  
Input Voltage, VI . . . . . . . . . . . . . . 30 V  
Reverse Input Voltage, VRI . . . . -120 V  
Output Current, IO . . . . . . . . . . . . TBD*  
Operating Temperature Range,  
TA . . . . . . . . . . . . -40°C to +150°C  
Junction Temperature, TJ . . . . +150°C  
Storage Temperature Range,  
This document contains information on a product under development. Allegro  
MicroSystems, Inc. reserves the right to change or discontinue this product without  
notice.  
TS . . . . . . . . . . . . -40°C to +170°C  
* Output current rating is limited by input voltage,  
duty cycle, and ambient temperature. Under  
any set of conditions, do not exceed a junction  
temperature of +150°C. See next page.  
Always order by complete part number: A8178LLT .  

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