DRV104 Texas instruments

DRV104

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DRV104

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Описание

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 must be soldered to the circuit board.

HIGH OUTPUT DRIVE: 1.2A
WIDE SUPPLY RANGE: +8V to +32V
COMPLETE FUNCTION:
- PWM Output
- Adjustable Internal Oscillator: 500Hz to 100kHz
- Digitally Controlled Input
- Adjustable Delay and Duty Cycle
- Over-Current Indicator Flag
FULLY PROTECTED:
- Thermal Shutdown with Indicator Flag
- Internal Current Limit
PACKAGE: HTSSOP-14 Surface-Mount PowerPAD™
APPLICATIONS
- ELECTROMECHANICAL DRIVERS:
  - Solenoids, Valves, Positioners, Actuators, Relays, Power Contactor Coils, Heaters, and Lamps
FLUID AND GAS FLOW SYSTEMS
FACTORY AUTOMATION
PART HANDLERS AND SORTERS
PHOTOGRAPHIC PROCESSING
ENVIRONMENTAL MONITORING AND HVAC
THERMOELECTRIC COOLERS
MOTOR SPEED CONTROLS
SOLENOID PROTECTORS
MEDICAL ANALYZERS

PowerPAD is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners.

Drivers per package	1
Switching voltage (max) (V)	32
Output voltage (max) (V)	32
Peak output current (A)	1.2
Delay time (typ) (ns)	2200
Input compatibility	CMOS, TTL
Vol at lowest spec current (typ) (mV)	50
Iout/ch (max) (mA)	1200
Iout_off (typ) (µA)	1
Rating	Catalog
Operating temperature range (°C)	-40 to 85
Device type	Low-side switches