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Product Detailed Parameters
- Description：IC LED DRIVER RGLTR 50MA 8TDFN
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：2.4V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：50mA
- Frequency：1.45MHz
- Dimming：-
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-WFDFN Exposed Pad
- Supplier Device Package：8-TDFN (2x3)
- Grade：-
- Qualification：-
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Overview
The ISL97632IRT18Z-T is a single-output DC-DC regulator IC designed for LED driver applications. It utilizes a step-up (boost) topology and integrates an internal power switch. The device operates from a supply voltage range of 2.4V to 5.5V and delivers a regulated current output of 50mA per channel. It functions at a switching frequency of 1.45MHz, enabling compact passive component selection. The IC supports 1-Wire dimming control and is housed in an 8-TDFN package measuring 2x3mm.
Feature Summary
- Integrates a high-efficiency boost converter with an internal switch for space-constrained designs
- Supports precise 1-Wire digital dimming interface for simplified system control
- Provides regulated constant current output suitable for driving LED strings
Applications
- Backlighting systems
- Street lighting
- Portable lighting devices
- Refrigeration lighting
- Museum and gallery illumination
Procurement Notes
Verify the obsolete status of this specific part number before procurement planning. Confirm that the 8-TDFN package dimensions match your PCB footprint requirements. Ensure the 1-Wire communication protocol aligns with your microcontroller capabilities. Check for available replacement components if long-term supply is required.
Selection Notes
Select this component when a compact boost LED driver with integrated switching is needed. It is appropriate for low-power LED applications requiring 50mA regulation. The 1-Wire interface reduces pin count compared to PWM or analog dimming methods. Consider the 1.45MHz frequency for EMI management and inductor size optimization.
Part Context
This IC belongs to Renesas' LED driver portfolio under the Power Management Integrated Circuit (PMIC) category. It is specifically engineered for applications requiring efficient step-up conversion from low input voltages. The device complements other lighting solutions by offering a simple, single-channel regulation approach.
Replacement Considerations
The datasheet indicates this part is obsolete. Verify official substitute part numbers from Renesas or compatible third-party equivalents that offer similar 50mA boost LED driver functionality with 1-Wire dimming support.
