AS3645A-ZWLT

Description：IC LED DRIVER REGULATOR 12WLCSP
Series：-
Mfr：ams-OSRAM USA INC.
Package：Tape & Reel (TR)

SKU:41cc18924133 Category: LED Drivers IC Brand: ams-OSRAM USA INC.

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Product introduction

Product Detailed Parameters

Description：IC LED DRIVER REGULATOR 12WLCSP
Series：-
Mfr：ams-OSRAM USA INC.
Package：Tape & Reel (TR)
Type：DC DC Regulator
Topology：Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：2
Voltage - Supply (Min)：-
Voltage - Supply (Max)：-
Voltage - Output：-
Current - Output / Channel：500mA, 800mA (Flash)
Frequency：2MHz
Dimming：-
Applications：Camera Flash
Operating Temperature：-
Mounting Type：Surface Mount
Package / Case：12-UFBGA, WLCSP
Supplier Device Package：12-WLCSP (2x1.6)
Grade：-
Qualification：-

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AS3645A-ZWLT

Overview

The AS3645A-ZWLT is a dual-output LED driver IC from ams OSRAM, designed for camera flash applications. It integrates two DC-DC boost regulators with a step-up topology to drive single or dual LEDs. The device supports output currents of 500mA for standard operation and up to 800mA for flash modes. Housed in a compact 12-WLCSP package measuring 2x1.6mm, it features internal switching elements and dimming capabilities. This component is engineered for high-efficiency power management in mobile and portable imaging systems.

Feature Summary

Dual-output architecture supporting independent control of single or dual LED channels
Integrated DC-DC boost regulator with internal switching elements for efficient voltage conversion
Configurable current outputs optimized for both continuous and high-intensity flash operations

Applications

Camera flash modules in mobile devices
Portable imaging systems requiring high-brightness illumination
Compact electronic devices with space-constrained PCB layouts

Procurement Notes

Verify the specific suffix and ordering code against official ams OSRAM documentation to ensure correct pinout and electrical specifications. Confirm availability status as distribution channels may vary by region. Check for any recent lifecycle notices regarding production end-of-life or replacement recommendations before finalizing procurement plans.

Selection Notes

Select this component when designing circuits requiring precise control over dual LED flashes within a minimal footprint. Ensure the input voltage range matches the system battery profile. Verify that the thermal performance of the WLCSP package aligns with the expected duty cycle and ambient operating conditions of the target application.

Part Context

This part belongs to the ams OSRAM portfolio of specialized LED drivers for consumer electronics. It addresses the demand for high-performance flash solutions in slim mobile form factors. The integration of power stages and control logic reduces external component count compared to discrete solutions.