AS3682-EA1

Description：IC LED DRIVER RGLTR 400MA 24QFN
Series：-
Mfr：ams-OSRAM USA INC.
Package：Tape & Reel (TR)

SKU:15668711c9d5 Category: LED Drivers IC Brand: ams-OSRAM USA INC.

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Product introduction

Product Detailed Parameters

Description：IC LED DRIVER RGLTR 400MA 24QFN
Series：-
Mfr：ams-OSRAM USA INC.
Package：Tape & Reel (TR)
Type：DC DC Regulator
Topology：Switched Capacitor (Charge Pump)
Internal Switch(s)：Yes
Number of Outputs：6
Voltage - Supply (Min)：3V
Voltage - Supply (Max)：5.5V
Voltage - Output：5.3V
Current - Output / Channel：400mA (Flash)
Frequency：1MHz
Dimming：-
Applications：Backlight, Camera Flash
Operating Temperature：-30°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：24-VFQFN Exposed Pad
Supplier Device Package：24-QFN (4x4)
Grade：-
Qualification：-

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AS3682-EA1

Overview

The AS3682-EA1 is an LED driver IC designed for stable power supply in backlight and flash applications. It utilizes a switched-capacitor (charge pump) topology to achieve efficient regulation and brightness control. The device supports an output current of 400mA in flash mode and operates with a switching frequency of 1MHz. It is packaged in Tape & Reel format.

Feature Summary

Employs switched-capacitor charge pump topology for efficient voltage regulation
Provides stable power supply suitable for backlight and flash applications
Supports high-speed brightness control mechanisms

Applications

LED backlighting systems
Camera flash modules
Mobile device illumination circuits

Procurement Notes

Verify component status as the AS3682-EA1 is listed as obsolete by major distributors. Confirm availability through authorized channels or secondary markets. Ensure compatibility with existing design specifications before procurement, as end-of-life components may require redesign considerations for long-term production stability.

Selection Notes

Select this component for applications requiring efficient charge-pump based LED driving with specific current requirements. Evaluate the 400mA flash current capability against system needs. Consider the 1MHz operating frequency for electromagnetic interference management. Verify package compatibility and thermal performance within the target enclosure constraints.

Part Context

The AS3682 belongs to the ams OSRAM LED driver portfolio, focusing on integrated solutions for lighting control. This specific model targets mobile and portable electronics where space efficiency and power management are critical. It represents a specialized solution for managing LED arrays in compact form factors.

Replacement Considerations

As the part is obsolete, identify alternative drivers from the same manufacturer or competitors offering similar charge-pump topologies. Ensure replacement parts match the 400mA output current and 1MHz frequency specifications. Verify pin-to-pin compatibility if direct substitution is required.