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LTC3729LEUH-6#PBF is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC REG CTRLR BUCK 32QFN. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC3729LEUH-6#PBF
- Description：IC REG CTRLR BUCK 32QFN
- Series：PolyPhase®
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：2
- Output Phases：2
- Voltage - Supply (Vcc/Vdd)：4V ~ 30V
- Frequency - Switching：260kHz ~ 550kHz
- Duty Cycle (Max)：99.50%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Current Limit, Enable, Phase Control, Power Good, Soft Start
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：32-WFQFN Exposed Pad
- Supplier Device Package：32-QFN (5x5)
- Grade：-
- Qualification：-
DC DC Switching Controllers datasheet and documents for LTC3729LEUH-6#PBF
DC DC Switching Controllers Overview
The LTC3729LEUH-6#PBF is a synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4 V to 30 V and delivers up to 40 A output current. The device features a fixed switching frequency of 550 kHz and supports output voltages from 600 mV to 5 V. It utilizes a QFN-32 package for surface mount installation. Key electrical parameters include a static current of 20 uA, a load regulation of 0.1%, and an operating supply current of 470 uA. The component functions within a temperature range of -40°C to +85°C.
DC DC Switching Controllers Feature Summary
- Synchronous buck topology with integrated control logic for external N-channel MOSFETs
- Phase-lockable fixed frequency architecture supporting multi-phase configurations
- Low quiescent current operation for improved efficiency in standby modes
- Precision current mode control with soft-start and shutdown capabilities
DC DC Switching Controllers Applications
- Polyphase synchronous step-down power systems
- High-current DC-to-DC conversion stages
- Embedded processor core voltage regulation
- Industrial distributed power architectures
DC DC Switching Controllers Procurement Notes
Verify availability status as the part may be subject to limited supply or factory special orders. Confirm RoHS compliance details through official documentation. Ensure the QFN-32 package footprint matches design requirements. Check for obsolescence notices or lifecycle changes before finalizing procurement plans.
DC DC Switching Controllers Selection Notes
Select this controller for applications requiring high output currents up to 40 A with precise voltage regulation. Consider the 550 kHz switching frequency for balancing size and efficiency. Evaluate thermal management needs due to the high current capability. Ensure the input voltage range of 4 V to 30 V aligns with system power rails.
DC DC Switching Controllers Part Context
This component belongs to the LTC3729L series of polyphase synchronous step-down controllers. It is designed to drive multiple external power stages in parallel for increased current capacity. The device integrates essential control features while relying on external components for power delivery.
DC DC Switching Controllers Replacement Considerations
Consult official substitution lists for compatible alternatives. Verify pinout compatibility and electrical specifications if considering cross-references.
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