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LTC1539IGW#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 36SSOP. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC1539IGW#PBF
- Description：IC REG CTRLR BUCK 36SSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：2
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：3.5V ~ 30V
- Frequency - Switching：Up to 400kHz
- Duty Cycle (Max)：99%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable, Power on Reset, Soft Start
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：36-BSOP (0.295", 7.50mm Width)
- Supplier Device Package：36-SSOP
DC DC Switching Controllers datasheet and documents for LTC1539IGW#PBF
DC DC Switching Controllers Overview
The LTC1539IGW#PBF is a dual high-efficiency, low-noise synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 5.2V to 28V and supports output voltages including 3.3V, 5V, and 12V. The device provides up to 3.5A at 3.3V, 3A at 5V, and 200mA at 12V, with a dedicated 20mA standby output. It utilizes a phase-lockable fixed frequency architecture and features a 36-pin SSOP package.
DC DC Switching Controllers Feature Summary
- Dual synchronous buck topology for independent multi-output regulation
- Integrated low-noise linear regulator for sensitive analog loads
- Phase-lockable fixed frequency operation for EMI optimization
- Comprehensive protection including soft-start and enable control
DC DC Switching Controllers Applications
- Notebook computer power supply systems
- Industrial control equipment requiring multiple voltage rails
- Automotive electronics with strict noise requirements
- Aerospace communication modules
DC DC Switching Controllers Procurement Notes
Verify the complete part number suffix, specifically #PBF, to ensure RoHS compliance and lead-free status. Confirm the package type is 36-SSOP and check the manufacturer's latest datasheet for any pinout revisions or operating temperature range updates before finalizing procurement specifications.
DC DC Switching Controllers Selection Notes
Select this component when designing systems requiring two isolated synchronous buck outputs with integrated low-noise regulation. Ensure the input voltage stays within 5.2V to 28V. Consider the 36-pin SSOP footprint constraints and verify that the external MOSFET selection matches the controller's drive capabilities for the required current loads.
DC DC Switching Controllers Part Context
This part belongs to the LTC1539 family of dual synchronous step-down controllers. It shares architectural similarities with the LTC1439 but offers enhanced low-noise performance and specific output configurations tailored for complex power distribution networks in portable and industrial applications.
DC DC Switching Controllers Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs if considering alternative dual-buck controllers from other manufacturers.
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