AS1003MY

Description：IC PWM CONTROLLER 8SOIC
Series：*
Mfr：onsemi
Package：Tape & Reel (TR)

SKU:d3c0796ae1c7 Category: Power Supply Controllers, Monitors Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：IC PWM CONTROLLER 8SOIC
Series：*
Mfr：onsemi
Package：Tape & Reel (TR)
Applications：-
Voltage - Input：-
Voltage - Supply：-
Current - Supply：-
Operating Temperature：-
Grade：-
Qualification：-
Mounting Type：-
Package / Case：-
Supplier Device Package：-

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AS1003MY

Overview

The AS1003MY is a PWM controller designed for low standby power battery chargers. It integrates a high-voltage startup circuit, allowing direct connection to the mains without external components. The device supports flyback topology with fixed frequency operation and includes protection features such as cycle-by-cycle current limiting, output overvoltage protection, and thermal shutdown.

Feature Summary

Integrates high-voltage startup circuit for simplified design
Supports flyback converter topology with fixed frequency control
Includes comprehensive protection mechanisms for reliable operation

Applications

Low standby power battery chargers
Flyback power supply designs
Mains-connected charging applications

Procurement Notes

Verify the specific suffix 'MY' against the official onsemi datasheet to confirm package type and tape/reel specifications. Ensure compliance documentation matches the required regional standards for your target market. Cross-reference the manufacturer part number with authorized distributor catalogs to avoid counterfeit components.

Selection Notes

Select this component when designing battery chargers requiring minimal standby power consumption. It is suitable for applications where direct mains connection is needed without additional startup circuitry. Consider its fixed frequency operation and integrated protections when evaluating system reliability and complexity requirements.

Part Context

The AS1003MY belongs to onsemi's power management IC portfolio, specifically targeting efficient and compact charger solutions. It falls under the category of power supply controllers and monitors, offering an integrated approach to managing AC-DC conversion for battery-based devices in consumer and industrial markets.

Replacement Considerations

Consult the official onsemi replacement guide or contact technical support for verified substitute part numbers. Do not assume pin-to-pin compatibility with other PWM controllers without explicit manufacturer confirmation.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.