ISL97635AIRZ

Description：IC LED DRVR RGLTR PWM 35MA 24QFN
Series：-
Mfr：Renesas Electronics Corporation
Package：Tube

SKU:a812c5118aae Category: LED Drivers IC Brand: Renesas Electronics Corporation

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Product introduction

Product Detailed Parameters

Description：IC LED DRVR RGLTR PWM 35MA 24QFN
Series：-
Mfr：Renesas Electronics Corporation
Package：Tube
Type：DC DC Regulator
Topology：Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：6
Voltage - Supply (Min)：6V
Voltage - Supply (Max)：24V
Voltage - Output：34.5V
Current - Output / Channel：35mA
Frequency：600kHz, 1.2MHz
Dimming：PWM
Applications：Backlight
Operating Temperature：-40°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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ISL97635AIRZ

Overview

The ISL97635AIRZ is a digitally controlled LED driver IC designed for LCD backlight applications. It features six output channels with a maximum output voltage of 34.5V and a per-channel current rating of 35mA. The device operates on a boost DC-DC converter topology with an internal switch, supporting input supply voltages between 6V and 24V. It supports PWM dimming control and offers selectable switching frequencies of 600kHz or 1.2MHz. Packaged in a 24-QFN (4x4) surface-mount format, it functions within a temperature range of -40°C to 85°C.

Feature Summary

Digitally controlled regulation with dynamic headroom management to minimize power loss
Integrated boost DC-DC converter with internal power switch
Supports multiple dimming methods including SMBus, external PWM, and analog inputs

Applications

LCD backlight systems
Portable display devices
Mobile phone screens

Procurement Notes

Verify component authenticity through authorized Renesas distributors due to end-of-life status. Confirm package integrity and moisture sensitivity level handling procedures prior to assembly. Review latest product change notices for any manufacturing updates. Ensure design-in compatibility with existing system constraints before finalizing procurement plans.

Selection Notes

Select this component for applications requiring precise multi-channel LED current matching and compact board space utilization. Consider the 24-QFN footprint and thermal dissipation requirements during layout. Evaluate the need for SMBus interface integration versus simpler external PWM control schemes based on system complexity.

Part Context

This part belongs to the ISL97635 series of LED drivers manufactured by Renesas Electronics. It is specifically engineered for high-efficiency backlighting in portable electronics. The series emphasizes digital control capabilities and robust protection features for reliable operation in consumer devices.

Replacement Considerations

The ISL97635AIRZ is officially listed as obsolete. Designers should consult Renesas documentation for recommended alternative components or updated packaging options that maintain functional compatibility.

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

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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

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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.