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NCP81103BMNTXG
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Product Detailed Parameters
- Description：IC REG BUCK CTLR 36QFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Output Type：-
- Function：-
- Output Configuration：-
- Topology：-
- Number of Outputs：-
- Output Phases：-
- Voltage - Supply (Vcc/Vdd)：-
- Frequency - Switching：-
- Duty Cycle (Max)：-
- Synchronous Rectifier：-
- Clock Sync：-
- Serial Interfaces：-
- Control Features：-
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：36-VFQFN Exposed Pad
- Supplier Device Package：36-QFN (5x5)
- Grade：-
- Qualification：-
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Overview
The NCP81103BMNTXG is a single-phase voltage regulator controller manufactured by onsemi, designed for high-performance power delivery applications. It operates as a buck converter topology with one output channel capable of delivering up to 14 A of output current. The device supports adjustable switching frequencies ranging from 500 kHz to 1.2 MHz and provides an output voltage range from 0 V to 2.3 V. It functions within a junction temperature range of -10°C to +100°C. The component is housed in a 36-VFQFN package with exposed pad, measuring 5 mm x 5 mm, suitable for surface mount technology.
Feature Summary
- Integrates a buck switching controller optimized for single-phase voltage regulation
- Supports wide input voltage ranges with programmable switching frequency for flexible design
- Includes shutdown functionality for system power management control
Applications
- Central processing unit (CPU) core voltage regulation
- Graphics processing unit (GPU) power delivery systems
- Chipset and memory subsystem voltage regulation
Procurement Notes
Verify end-of-life status and last-time-buy dates through official onsemi channels before finalizing procurement plans. Confirm moisture sensitivity level handling requirements during storage and assembly. Ensure compatibility with existing bill of materials regarding the 36-QFN package dimensions and thermal pad specifications. Request updated product change notifications to assess any potential manufacturing process alterations affecting long-term supply stability.
Selection Notes
Evaluate thermal performance requirements given the 14 A output capability and 36-pin QFN footprint. Compare switching frequency options against electromagnetic interference constraints and passive component sizing needs. Assess control loop stability across the specified 0 V to 2.3 V output range. Verify that the operating temperature range meets the environmental conditions of the target application board.
Part Context
This component belongs to the NCP81103 series of single-phase voltage regulators from onsemi. It is part of the broader PMIC portfolio focused on high-current, low-voltage DC-DC conversion. The series targets demanding digital load applications requiring precise voltage regulation and fast transient response capabilities.
Replacement Considerations
Check for direct pin-to-pin replacements within the NCP8110x family such as NCP81109 variants if higher current or different packaging is required. Verify functional equivalence for buck control logic and feedback network compatibility when considering alternative single-phase controllers.
