SI91841DT-28-T1 - Brand New VISHANG IC Chips
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Description
Si91841DT-28-T1 is a current mode PWM controller designed for ISDN power supplies. It is packaged in a 14-pin SOIC package and provides all necessary functions to implement a single-switch PWM with minimal external parts. With a 200-V depletion mode MOSFET, it can power directly off the high input bus without an external start-up circuit. The Start and Stop input voltage thresholds can be programmed within the operating input voltage range using a resistor divider, where the Start voltage should be greater than the Stop voltage.
Specifications and features
- BiC/DMOS Technology
- Current Mode Control
- Max 50% Duty Cycle Operation
- 1.3-MHz Error Amp
- Up to 500-kHz Internal Oscillator
- Soft-Start
- 0.6-V Fast Over-Current Protection
- <5-µA Supply Current for +VIN <18 V
- 23.5-V to 200-V Input Voltage Range
- Programmable Start/Stop Capability
- Internal Start-Up Circuit
- Power_Good Output
Application Scenarios
This electronic component is commonly used in ISDN power supplies. It can be used in various applications that require a current mode PWM controller and a high input voltage range.
Comparison
Advantages- Integrated 200-V depletion mode MOSFET eliminates the need for an external start-up circuit.
- Programmable Start/Stop capability allows for flexibility in adjusting input voltage thresholds.
Disadvantages- Limited to 14-pin SOIC package.
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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 SI91841DT-28-T1
- Chipdatas Part: CD94-SI91841DT-28-T1
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/20 23:02 +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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