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Product Detailed Parameters
- Description：DUAL SWITCHING CONTROLLER
- Series：-
- Mfr：Intersil
- Package：Tube
- Topology：Step-Down (Buck) Synchronous (2), Linear (LDO) (1)
- Number of Outputs：3
- Frequency - Switching：300kHz ~ 1MHz
- Voltage/Current - Output 1：Controller
- Voltage/Current - Output 2：Controller
- Voltage/Current - Output 3：Controller
- w/LED Driver：No
- w/Supervisor：No
- w/Sequencer：Yes
- Voltage - Supply：3.3V ~ 12V
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Surface Mount
- Package / Case：32-VFQFN Exposed Pad
- Supplier Device Package：32-QFN (5x5)
- Grade：-
- Qualification：-
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Overview
The ISL6534CR is a triple output power management integrated circuit manufactured by Intersil. It integrates two independent synchronous-rectified buck controllers with integrated 12V gate drivers and one linear regulator (LDO). The device supports an input voltage range of 0.6V to 9V for both switching outputs, delivering up to 20A. The switching frequency is adjustable from 300kHz to 1MHz. It is housed in a 32-QFN package.
Feature Summary
- Integrates two independent synchronous buck controllers with built-in 12V gate drivers
- Includes a single linear regulator (LDO) output alongside the switching channels
- Supports adjustable switching frequencies ranging from 300kHz to 1MHz
Applications
- Portable computing devices requiring multiple voltage rails
- Embedded systems needing combined switching and linear regulation
- Industrial control modules with space-constrained power designs
Procurement Notes
Verify the manufacturer marking matches 'ISL6534CR' on the component surface. Confirm the package type is 32-QFN (5x5mm) with exposed pad. Ensure the suffix 'CR' indicates the specific temperature and packaging variant. Request datasheet revision history to confirm feature compatibility before integration.
Selection Notes
Select this component when a design requires two high-current synchronous buck converters and one LDO in a single package. It is suitable for applications needing flexible switching frequencies between 300kHz and 1MHz. Consider the 0.6V to 9V input range and 20A current capability against load requirements. Verify thermal performance within the 32-QFN package for the intended operating environment.
Part Context
The ISL6534CR belongs to Intersil's family of multi-output power management ICs designed for compact electronics. It combines switching and linear regulation technologies to reduce component count. This specific model targets applications requiring efficient power delivery with minimal board space usage.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult official Renesas/Intersil cross-reference guides for verified alternatives.
