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Description
The AP3844 is an integrated circuit (IC) chip that belongs to the fixed frequency current-mode PWM controller series. This high-performance component is designed with a low start-up current of 50µA to ensure efficient power consumption. It has a robust VREF line/load regulation with low line regulation and low load regulation of 4mV.
Specifications and features
- Operating Frequency: Up to 500KHz
- PWM Frequency Stability over a Full Temperature Range: 2.5%
- PWM Frequency Stability under a Full Supply Voltage Range: 0.2%
- Over-temperature Protection with Hysteresis
- UVLO with Hysteresis
Application Scenarios
The AP3844 IC chip is ideally suited for various applications:
- Off-line Converter
- DC-DC Converter
- Voltage Adapter
- CRT Monitor Power Supply
- Desktop Power Supply
- DVD/STB Power Supply
Comparison
Advantages- Low start-up current of 50µA efficiently uses power.
- Robust VREF line/load regulation enhances performance.
- High stability of the reference voltage over a full temperature range of 0.2mV/ oC.
- Accurate over-temperature protection with hysteresis prevents damages.
- UVLO with hysteresis.
Disadvantages- Not suitable for applications that require high-frequency PWM stability over a wide temperature range.
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
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Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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How to Buy:
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Additional Information
- Datasheet: Download AP3844
- Chipdatas Part: CD86-AP3844
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 11:58 +0800
Refund
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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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Payment Method
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