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LTC3852IUDD is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC POWER MANAGEMENT. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC3852IUDD
- Description：IC POWER MANAGEMENT
- 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：235kHz ~ 750kHz
- Duty Cycle (Max)：99%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable, Frequency Control, Power Good, Soft Start, Tracking
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：24-WFQFN Exposed Pad
- Supplier Device Package：24-QFN (3x5)
DC DC Switching Controllers datasheet and documents for LTC3852IUDD
DC DC Switching Controllers Overview
The LTC3852IUDD is a low input voltage, synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 2.7V to 5.5V and utilizes a constant frequency, current mode architecture. The device is designed to drive all N-channel synchronous power MOSFETs and can be powered by an onboard charge pump. It supports phase-lockable frequencies up to 750kHz for synchronization applications.
DC DC Switching Controllers Feature Summary
- Constant frequency, current mode control architecture
- Capable of driving all N-channel synchronous power MOSFET stage
- Onboard charge pump power supply capability
- Phase-lockable switching frequency
DC DC Switching Controllers Applications
- Low input voltage synchronous buck DC/DC converter designs
- Systems requiring onboard charge pump power for the controller
- Applications utilizing phase-locked loop synchronization
DC DC Switching Controllers Procurement Notes
Verify the specific suffix against official Analog Devices documentation to confirm package type and temperature grade. Ensure the ordering part number matches the exact electrical specifications required for the target application. Cross-reference datasheet revisions to confirm pinout compatibility and feature availability before procurement.
DC DC Switching Controllers Selection Notes
Select this component for applications requiring low input voltages down to 2.7V. It is suitable for designs needing high efficiency through synchronous rectification. Consider the requirement for an external charge pump or internal generation depending on the specific variant. Ensure the output current requirements align with the external MOSFET selection capabilities.
DC DC Switching Controllers Part Context
The LTC3852 belongs to the family of low input voltage synchronous step-down DC/DC controllers from Linear Technology (now Analog Devices). It shares architectural similarities with other models in the series but is distinguished by its specific input voltage range and control features. It serves as a core controller for building efficient power stages using external components.
DC DC Switching Controllers Replacement Considerations
LTC3822: No RSENSE, Low Input Voltage, Synchronous Step-Down DC/DC Controller. LTC3822-1: No RSENSE, Low Input Voltage, Synchronous Step-Down DC/DC Controller.
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