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Product Detailed Parameters
- Description：IC REG QUAD BUCK/LNR 3MHZ 16TQFN
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Topology：Step-Down (Buck) (2), Linear (LDO) (2)
- Number of Outputs：4
- Frequency - Switching：3MHz
- Voltage/Current - Output 1：1.2V, 800mA
- Voltage/Current - Output 2：1.8V, 800mA
- Voltage/Current - Output 3：2.9V, 350mA
- w/LED Driver：No
- w/Supervisor：No
- w/Sequencer：No
- Voltage - Supply：1.5V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：16-WQFN Exposed Pad
- Supplier Device Package：16-TQFN (4x4)
- Grade：-
- Qualification：-
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Overview
The ISL9305IRTWCLBZ-T is a power management IC featuring two 3MHz synchronous step-down converters and two low-input linear regulators. It provides four outputs within a 16-TQFN (4x4) package. Input voltage ranges from 1.5V to 5.5V. Operating temperature spans -40°C to 85°C. The device supports I2C interface control.
Feature Summary
- Integrates dual high-efficiency synchronous buck converters for efficient voltage regulation.
- Includes dual low-input low-dropout linear regulators for noise-sensitive applications.
- Features an I2C compatible interface for programmable configuration and monitoring.
Applications
- Portable electronic devices requiring compact power solutions
- Systems needing multiple regulated voltage rails from a single input
- Noise-sensitive circuits utilizing the LDO outputs
Procurement Notes
Verify component status as obsolete or end-of-life through official Renesas channels before procurement planning. Confirm package integrity and RoHS compliance with current datasheets. Check for alternative sources if active supply is required, noting that availability may be limited due to discontinuation status.
Selection Notes
Select this component when a compact solution combining switching and linear regulation is required. Ensure input voltage fits the 1.5V to 5.5V range. Verify thermal requirements for the 16-TQFN package under expected load conditions. Confirm I2C address compatibility with the system controller.
Part Context
This part belongs to the ISL9305 family of quad-output PMICs. It combines DC-DC and LDO technologies in a small footprint. The series targets portable electronics where space and efficiency are critical constraints. Variants may differ in pinout or specific output configurations.
Replacement Considerations
Check Renesas documentation for officially confirmed substitute part numbers. No direct substitutes are listed in the provided data. Evaluate functional equivalents from other manufacturers only if they match electrical specifications and pinout compatibility.
