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Product Detailed Parameters
- Description：IC REG CTRLR BUCK PMBUS 36QFN
- Series：Digital-DC™
- Mfr：Renesas Electronics Corporation
- Package：Tube
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：3V ~ 5V
- Frequency - Switching：200kHz ~ 1.4MHz
- Duty Cycle (Max)：95%
- Synchronous Rectifier：Yes
- Clock Sync：Yes
- Serial Interfaces：I2C, PMBus, SMBus
- Control Features：Current Limit, Enable, Power Good, Soft Start, Tracking
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：36-VFQFN Exposed Pad
- Supplier Device Package：36-QFN (6x6)
- Grade：-
- Qualification：-
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Overview
The ZL6105ALAF is a digital DC/DC controller with integrated MOSFET drivers and auto compensation. It operates within an input voltage range of 3V to 14V, delivering up to 40A output current on Rail 1. The device supports output voltages from 0.54V to 5.5V with a typical switching frequency range of 200kHz to 1400kHz. It achieves a peak efficiency of 94% and maintains a quiescent current of 16mA. The component functions in temperatures from -40°C to +85°C and is housed in a 36-lead QFN package measuring 6.0mm x 6.0mm.
Feature Summary
- Digital power control technology enables adaptive performance optimization algorithms for improved conversion efficiency.
- Auto compensation functionality eliminates the requirement for manual compensation design work.
- Integrated MOSFET drivers simplify circuit architecture by combining control and drive capabilities.
Applications
- High-density point-of-load power conversion systems
- Server and storage infrastructure power supplies
- Industrial equipment requiring efficient DC/DC regulation
Procurement Notes
Verify the specific suffix ALAF against official Renesas documentation to confirm pinout and thermal specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to assembly. Ensure the source document explicitly lists this part number as active or obsolete to manage lifecycle risks appropriately.
Selection Notes
Select this component when digital flexibility and automated compensation are required for high-current applications. The integrated driver capability reduces external component count. Verify that the 3V to 14V input range aligns with the system power rails and that the 40A output capacity meets the load requirements without exceeding thermal limits.
Part Context
The ZL6105 belongs to the ZL6105 family of digital power controllers utilizing Zilker Labs Digital-DC technology. This family focuses on providing programmable power management solutions with built-in diagnostic and optimization features. The ALAF designation specifies the particular package type and material composition within this product line.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult official Renesas cross-reference tools for verified alternatives if this component is obsolete.
