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DRV103U2K5 PDF预览

DRV103U2K5

更新时间： 2024-02-03 14:00:29
品牌 Logo 应用领域
德州仪器 - TI 驱动器
页数 文件大小 规格书
24页 1071K
描述
PWM LOW-SIDE DRIVER (1.5A and 3A)

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DRV103  
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SBVS029A – JUNE 2001  
PWM LOW-SIDE DRIVER (1.5A and 3A)  
for Solenoids, Coils, Valves, Heaters, and Lamps  
DESCRIPTION  
FEATURES  
The DRV103 is a low-side DMOS power switch employing  
a pulse-width modulated (PWM) output. Its rugged design is  
optimized for driving electromechanical devices such as  
valves, solenoids, relays, actuators, motors, and positioners.  
The DRV103 is also ideal for driving thermal devices such  
as heaters, coolers, and lamps. PWM operation conserves  
power and reduces heat rise, resulting in higher reliability. In  
addition, adjustable PWM allows fine control of the power  
delivered to the load. DC-to-PWM output delay time and  
oscillator frequency are also externally adjustable.  
● HIGH OUTPUT DRIVE: 1.5A and 3A Versions  
● WIDE SUPPLY RANGE: +8V to +32V  
● COMPLETE FUNCTION  
Digitally Controlled Input  
PWM Output  
Adjustable Internal Oscillator: 500Hz to 100kHz  
Adjustable Delay and Duty Cycle  
● FULLY PROTECTED  
Thermal and Current Limit Shutdown with  
Status OK Indicator Flag  
The DRV103 can be set to provide a strong initial closure,  
automatically switching to a “soft” hold mode for power  
savings. A resistor, analog voltage, or Digital-to-Analog  
(D/A) converter can control the duty cycle. An output OK flag  
indicates when thermal shutdown or over current occurs.  
● PACKAGES: SO-8 and PowerPAD™ SO-8  
APPLICATIONS  
● ELECTROMECHANICAL DRIVER:  
Two packages provide a choice of output current:  
1.5A (SO-8) or 3A (PowerPAD™ SO-8 with exposed metal  
heat sink).  
Solenoids, Valves, Positioners, Actuators,  
Relays, Power Contactor Coils, Heaters, Lamps  
● HYDRAULIC AND PNEUMATICS SYSTEMS  
● PART HANDLERS AND SORTERS  
● CHEMICAL PROCESSING  
The DRV103 is specified for –40°C to +85°C.  
● ENVIRONMENTAL MONITORING AND HVAC  
● THERMOELECTRIC COOLERS  
Status OK  
Flag  
+VS  
● DC MOTOR SPEED CONTROLS  
● MEDICAL AND SCIENTIFIC ANALYZERS  
● FUEL INJECTOR DRIVERS  
Flyback  
Diode  
Load  
DRV103  
ESD  
Thermal Shutdown  
Over Current  
DMOS  
OUT  
GND  
PowerPAD is a trademark of Texas Instruments.  
VREF  
Oscillator  
PWM  
DMOS  
Input  
On  
Off  
Delay  
Delay  
Osc Freq  
Duty Cycle  
Adj  
Adj  
Adj  
RFREQ  
RPWM  
CD  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2001, Texas Instruments Incorporated  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
www.ti.com  
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