ADD5203ACPZ-RL

$1.28

Description：IC LED DRV RGLTR PWM 28LFCSP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Bulk

SKU:79af3d0cdee8 Category: LED Drivers IC Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC LED DRV RGLTR PWM 28LFCSP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Bulk
Type：DC DC Regulator
Topology：Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：8
Voltage - Supply (Min)：6V
Voltage - Supply (Max)：21V
Voltage - Output：45V
Current - Output / Channel：30mA
Frequency：1MHz
Dimming：Analog, PWM
Applications：Backlight
Operating Temperature：-25°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：28-WFQFN Exposed Pad, CSP
Supplier Device Package：28-LFCSP-WQ (4x4)
Grade：-
Qualification：-

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ADD5203ACPZ-RL

Overview

The ADD5203ACPZ-RL is a white LED driver for backlight applications based on high efficiency, current-mode, step-up converter technology. It features an integrated 50 V MOSFET with a 2.9 A peak current limit and operates within an input voltage range of 6 V to 21 V. The maximum output is adjustable up to 45 V, with an operating frequency between 350 kHz and 1 MHz. It drives up to eight LED strings, with each channel's current adjustable up to 30 mA. The device includes overvoltage protection, built-in soft start, and selectable dimming control interfaces.

Feature Summary

Integrates a 50 V MOSFET with 2.9 A peak current limit for efficient power conversion
Supports up to eight LED current strings with per-channel current adjustment up to 30 mA
Provides multiple dimming control options including PWM input and SMBus serial interface
Includes comprehensive safety features such as thermal shutdown, undervoltage lockout, and fault protection

Applications

Notebook PCs
UMPC displays
Monitor displays

Procurement Notes

Verify the exact part number suffix against official Analog Devices documentation to ensure correct packaging and temperature grade specifications. Confirm availability status through authorized distributors as supply conditions may vary. Ensure compliance with RoHS standards and check moisture sensitivity levels prior to handling and soldering processes.

Selection Notes

Select this component for designs requiring high-efficiency backlighting with precise current matching across multiple LED strings. Consider the adjustable operating frequency and dimming modes for system optimization. Evaluate the thermal performance and package size constraints relative to the application environment.

Part Context

The ADD5203 belongs to Analog Devices' family of white LED drivers designed for portable electronics. It utilizes inductive boost converter technology to drive multiple series-connected LED strings. The device is housed in a 28-lead, 4 mm × 4 mm × 0.75 mm LFCSP_WQ package suitable for space-constrained applications.