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DRV104,pdf(1.2A PWM High-Side
消耗积分:5 |
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大小:679 |
2010-09-26
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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.
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.
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