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Description
AT1452AS is a product category of IC chips manufactured by Aimtron Technology. It is a charger control IC for Photoflash capacitor, which comes with soft start function, adjustable maximum duty cycle, auto-refresh and autodischarge (soft start capacitor) circuit. The use of external resistor to alter the switching duty and a transformer to regulate input current are possible with the control technique. It has automatic refresh that allows the capacitor to remain charged while the output voltage dropped 10%. A logic high on the CHARGE pin initiates charging, while the READY pin signals that the capacitor is fully charged.
Specifications and features
• 2.5 to 5.5V supply voltage operating range.
• Low current consumption: 1mA in operation,
• 50 kHz or 100kHz operation frequency.
• Built-in maximum duty control.
• Push-pull output.
• Built-in soft start circuit.
• Built-in auto-discharge function.
• Built-in auto-refresh function.Application Scenarios
• Digital Still Cameras flash unit
Comparison
Advantages• The adjustable soft start is programmable by an external capacitor.
• The use of external resistor to change the switching duty and use of transformer.
• Automatic refresh enables the capacitor to remain charged while the output voltage dropped 10%.Disadvantages• It is only suitable for DSC flash units, limiting its usage to a specific product category.
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Datenblatt
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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
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- - EMS: 10-15 business days
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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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Beliebte Teile der gleichen Art
- Datasheet: Download AT1452AS
- Chipdaten Teil: CD86-AT1452AS
- Lagerhaus: China, Hongkong
- Versenden: Innerhalb von 24 Stunden
- Kostenloser Versand: Yes
- Bevorzugter Versand: Yes, 3-5 days
- Letzte Aktualisierung: 2024/06/28 19:52 +0800
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