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LTC3807HUDC#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 20QFN. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC3807HUDC#PBF
- Description：IC REG CTRLR BUCK 20QFN
- Series：-
- Mfr：Analog Devices Inc.
- 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)：4V ~ 38V
- Frequency - Switching：50kHz ~ 900kHz
- Duty Cycle (Max)：99%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Current Limit, Enable, Frequency Control, Soft Start, Tracking
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：20-WFQFN Exposed Pad
- Supplier Device Package：20-QFN (3x4)
DC DC Switching Controllers datasheet and documents for LTC3807HUDC#PBF
DC DC Switching Controllers Overview
The LTC3807HUDC#PBF is a high-performance synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4V to 38V and supports output voltages from 0.8V to 24V. The device utilizes a constant frequency current mode architecture with a programmable switching frequency ranging from 50kHz to 900kHz. It features a low quiescent current of 50µA and includes integrated soft start, tracking capabilities, and power good indicators. Packaged in a 20-lead QFN (3mm x 4mm) housing, it functions as a monolithic controller for external N-channel MOSFETs.
DC DC Switching Controllers Feature Summary
- Synchronous Buck Controller: Drives full N-channel MOSFET stages using a constant frequency current mode architecture.
DC DC Switching Controllers Applications
- Automotive always-on systems
- Battery-powered digital devices
- Distributed DC power systems
DC DC Switching Controllers Procurement Notes
Verify the specific suffix HUDC against official Analog Devices documentation to confirm package type and temperature rating. Confirm RoHS compliance status through the manufacturer datasheet. Ensure availability matches current distributor listings as supply conditions may vary.
DC DC Switching Controllers Selection Notes
Select this component when designing systems requiring wide input voltage ranges up to 38V and precise output regulation. Consider its low quiescent current for battery applications and its flexible frequency programming for EMI optimization. Evaluate thermal performance within the QFN package constraints.
DC DC Switching Controllers Part Context
This part belongs to the LTC3807 family of synchronous buck controllers. It shares architectural similarities with other members like the LTC3807IFE but differs in physical packaging and potentially thermal characteristics. The family is designed for efficient power conversion in space-constrained environments.
DC DC Switching Controllers Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Analog Devices documentation for cross-reference recommendations or direct replacements.
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