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Product Detailed Parameters
- Description：IC REG CTRLR BUCK PMBUS 32QFN
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tray
- Output Type：PWM Signal
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：8V ~ 10V
- Frequency - Switching：400kHz
- Duty Cycle (Max)：-
- Synchronous Rectifier：-
- Clock Sync：Yes
- Serial Interfaces：I2C, PMBus, SMBus
- Control Features：Current Limit, Enable, Power Good, Soft Start, Tracking
- Operating Temperature：0°C ~ 65°C (TA)
- Mounting Type：Surface Mount
- Package / Case：32-VFQFN Exposed Pad
- Supplier Device Package：32-QFN (5x5)
- Grade：-
- Qualification：-
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Overview
The ZL2004ALNN-01 is an adaptive digital DC/DC controller optimized for high output accuracy. It operates as a buck regulator with a maximum switching frequency of 400kHz. The device supports I2C, PMBus, and SMBus interfaces for configuration and monitoring. It is housed in a 32-pin QFN package measuring 5x5 mm. This component integrates current sharing capabilities and complies with RoHS standards.
Feature Summary
- Adaptive digital control architecture for enhanced regulation
- High output accuracy optimization
- Integrated current sharing functionality
- Multi-interface support including PMBus
Applications
- High-performance server power supplies
- Telecommunications infrastructure equipment
- Industrial automation systems requiring precise voltage regulation
Procurement Notes
Verify the specific suffix '01' to confirm the high-output accuracy variant. Ensure compatibility with existing PMBus or I2C host controllers. Check thermal requirements for the 32-QFN package in your enclosure design. Confirm that the 400kHz switching frequency aligns with your EMI constraints. Validate pinout compatibility if replacing legacy components.
Selection Notes
Select this part when high output accuracy is critical for system performance. Consider the 32-QFN package size for space-constrained PCB layouts. Evaluate the need for integrated current sharing if paralleling modules. Ensure the host system supports the required digital communication protocols for full feature utilization.
Part Context
This component belongs to the ZL2004 family of adaptive digital DC/DC controllers from Renesas. The family focuses on providing flexible power management solutions for demanding applications. The ZL2004 series is known for its digital adaptability and precision control capabilities.
Replacement Considerations
Check for direct substitutes within the ZL2004 series such as ZL2004ALNF-01. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution. Consult official Renesas documentation for approved replacement lists.
