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DRV104

Burr-Brown Corporation
Part Number DRV104
Manufacturer Burr-Brown Corporation
Description 1.2A PWM High-Side Driver
Published Nov 24, 2005
Detailed Description DRV104 DRV104 ® SBVS036B – SEPTEMBER 2003 – REVISED MARCH 2006 1.2A PWM High-Side Driver for Solenoids, Coils, Valves, H...
Datasheet PDF File DRV104 PDF File

DRV104
DRV104

Overview
DRV104 DRV104 ® SBVS036B – SEPTEMBER 2003 – REVISED MARCH 2006 1.
2A PWM High-Side Driver for Solenoids, Coils, Valves, Heaters, and Lamps FEATURES q HIGH OUTPUT DRIVE: 1.
2A q WIDE SUPPLY RANGE: +8V to +32V q COMPLETE FUNCTION: PWM Output Adjustable Internal Oscillator: 500Hz to 100kHz Digitally Controlled Input Adjustable Delay and Duty Cycle Over-Current Indicator Flag q FULLY PROTECTED: Thermal Shutdown with Indicator Flag Internal Current Limit q PACKAGE: HTSSOP-14 Surface-Mount PowerPAD™ APPLICATIONS q ELECTROMECHANICAL DRIVERS: Solenoids, Valves, Positioners, Actuators, Relays, Power Contactor Coils, Heaters, and Lamps q FLUID AND GAS FLOW SYSTEMS q FACTORY AUTOMATION q PART HANDLERS AND SORTERS q PHOTOGRAPHIC PROCESSING q ENVIRONMENTAL MONITORING AND HVAC q THERMOELECTRIC COOLERS q MOTOR SPEED CONTROLS q SOLENOID PROTECTORS DRV104 q MEDICAL ANALYZERS DESCRIPTION The DRV104 is a DMOS, high-side power switch employing a pulse-width modulated (PWM) output.
Its rugged design is optimized for driving electromechanical devices such as valves, solenoids, relays, actuators, and positioners.
It 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.
Time from dc-to-PWM output and oscillator frequency are externally adjustable.
Separate supply pins for the circuit and driver transistor allow the output to operate on a different supply than the rest of the circuit.
The DRV104 can be set to provide a strong initial solenoid closure, automatically switching to a soft hold mode for power savings.
The duty cycle can be controlled by a resistor, analog voltage, or a digital-to-analog (D/A) converter for versatility.
The Status OK Flag pin indicates when thermal shutdown or over-current occurs.
The DRV104 is specified for –40°C to +85°C at its case.
The exposed lead frame mu...


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