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A3918SESTR-T PDF预览

A3918SESTR-T

更新时间: 2024-01-16 12:44:14
品牌 Logo 应用领域
急速微 - ALLEGRO 驱动器
页数 文件大小 规格书
8页 226K
描述
Brush DC Motor Controller, 1.5A, 3 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, MO-220WEED, QFN-16

A3918SESTR-T 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:HVQCCN,
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:1.71模拟集成电路 - 其他类型:BRUSH DC MOTOR CONTROLLER
JESD-30 代码:S-XQCC-N16JESD-609代码:e3
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:-20 °C
最大输出电流:1.5 A封装主体材料:UNSPECIFIED
封装代码:HVQCCN封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
座面最大高度:0.8 mm最大供电电压 (Vsup):9 V
最小供电电压 (Vsup):2.5 V标称供电电压 (Vsup):3 V
表面贴装:YES温度等级:OTHER
端子面层:Matte Tin (Sn)端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:40宽度:3 mm
Base Number Matches:1

A3918SESTR-T 数据手册

 浏览型号A3918SESTR-T的Datasheet PDF文件第2页浏览型号A3918SESTR-T的Datasheet PDF文件第3页浏览型号A3918SESTR-T的Datasheet PDF文件第4页浏览型号A3918SESTR-T的Datasheet PDF文件第5页浏览型号A3918SESTR-T的Datasheet PDF文件第6页浏览型号A3918SESTR-T的Datasheet PDF文件第7页 
A3918  
Low Voltage DC Motor Driver  
Features and Benefits  
2.5 to 9 V operation  
Internal PWM current control  
Synchronous rectification for reduced power dissipation  
Peak current output flag  
Undervoltage lockout  
Low RDS(on) outputs  
Small package  
Brake mode for DC motor  
Sleep function  
Crossover-current protection  
Thermal shutdown  
Description  
Designed for pulse width modulated (PWM) control of a low  
voltage DC motor, the A3918 is capable of output currents up  
to 1.5 A and operating voltages from 2.5 to 9 V.  
The A3918 has an internal fixed off-time PWM timer that  
sets a peak current based on the selection of a current sense  
resistor. An overcurrent output flag is provided that notifies  
the user when the current in the motor winding reaches the  
peak current determined by the sense resistor. The fault output  
does not affect driver operation.  
TheA3918isprovidedina16-contact,3 mm×3 mm,0.75 mm  
nominal overall height QFN, with exposed pad for enhanced  
thermal dissipation. It is lead (Pb) free, with 100% matte tin  
leadframe plating.  
Package: 16-contact QFN (suffix ES)  
Applications include the following:  
Digital still cameras (DSC)  
Cell phone cameras  
USB powered devices  
Battery powered devices  
3 × 3 mm  
0.75 mm overall height  
Approximate size  
Functional Block Diagram  
0.1 μF  
0.1 μF  
0.1 μF  
VBB  
VCP  
Charge  
Pump  
VBB  
+5 V  
PWM Latch  
and  
Blanking  
Comparator  
Bridge  
Regulator  
SLEEP  
FL  
OUTA  
OUTB  
Sense  
10 μF  
10 V  
IN1  
Control Logic  
IN2  
SENSE  
Sense  
RSENSE  
GND  
PAD  
GND  
GND  
A3918-DS  

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