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Description
The AP4892 is an electronic component model in the IC Chips product category. It is designed to provide a programable DC output with the ability to ramp up or down to a setpoint. The ramp rate and setpoint can be controlled by supplying 0-5VDC to the Setpoint Control (pin 6) and the Ramp Rate Control (pin 10) inputs.
An external potentiometer, typically 10KΩ or greater, can be used to attenuate the built-in +5V reference and provide intermediate setpoint and rate values. Multiple potentiometers can be selected using a rotary switch or relay for different setpoint and rate selections. To hold the output ramp indefinitely, the Setpoint Control input (pin 6) can be disconnected. The AP4892 may require an external timing capacitor to set the ramp base rate. A polarized electrolytic or tantalum capacitor can be used for this purpose. The output can be immediately reset to minimum by providing an external contact closure from pin (13) to pin (15) or applying a +5V level to pin (15). The setpoint status is indicated by an open collector output (pin 5) which will sink up to 20mA when the ramp reaches the setpoint.
Specifications and features
- Provides programable DC output
- Can ramp up or down to a setpoint
- Control setpoint and ramp rate using 0-5VDC input
- Attenuate built-in +5V reference with external potentiometer
- Use rotary switch or relay for multiple setpoint and rate selections
- Disconnect Setpoint Control input to hold the output ramp indefinitely
- Requires external timing capacitor to set the ramp base rate
- Use polarized electrolytic or tantalum capacitor for timing
- Reset output to minimum using external contact closure or +5V level
- Setpoint status is indicated by open collector output
Application Scenarios
- Industrial control systems
- Automation equipment
- Power supply control
Comparison
Advantages- Programable DC output
- Ability to ramp up or down to a setpoint
- Flexible setpoint and ramp rate control options
- External potentiometer for intermediate setpoint and rate values
- Multiple setpoint and rate selections
- Hold output ramp indefinitely by disconnecting Setpoint Control input
- Easy to reset the output to minimum
- Clear indication of setpoint status
Disadvantages- Requires external timing capacitor
- Limited to IC Chips product category
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download AP4892
- Chipdatas Part: CD94-AP4892
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 08:48 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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