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LTC1159IS#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 16SOIC. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC1159IS#PBF
- Description：IC REG CTRLR BUCK 16SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive or Negative
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：4V ~ 40V
- Frequency - Switching：Up to 250kHz
- Duty Cycle (Max)：100%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Current Limit, Enable
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SO
DC DC Switching Controllers datasheet and documents for LTC1159IS#PBF
DC DC Switching Controllers Overview
The LTC1159IS#PBF is a synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4 V to 40 V and features a fixed switching frequency of 250 kHz. The device draws a quiescent current of 20 uA, supporting efficient operation at low output currents through automatic Burst Mode functionality. It is housed in a 16-pin SOIC package.
DC DC Switching Controllers Feature Summary
- Synchronous buck topology for high efficiency
- Automatic Burst Mode operation for light load efficiency
- Integrated shutdown capability
DC DC Switching Controllers Applications
- High efficiency synchronous step-down DC-DC converters
- Positive or negative output step-down regulator designs
- Battery-powered systems requiring low quiescent current
DC DC Switching Controllers Procurement Notes
Verify the specific suffix and package type against the manufacturer's official datasheet to ensure compatibility with your design requirements. Confirm availability status with authorized distributors as supply conditions may vary. Ensure the component meets all relevant environmental compliance standards required for your application before procurement.
DC DC Switching Controllers Selection Notes
Select this controller for applications requiring a wide input voltage range up to 40 V and fixed 250 kHz switching frequency. Consider the 20 uA quiescent current for battery-sensitive designs. Evaluate external component selection for inductor and capacitor values based on the desired output voltage and current specifications defined in the reference design.
DC DC Switching Controllers Part Context
This component belongs to the LTC1159 series of synchronous step-down switching regulator controllers. The series is characterized by its ability to maintain high efficiency across varying load conditions using Burst Mode technology. It serves as a core control element for designing compact and efficient power supply solutions in industrial and consumer electronics.
DC DC Switching Controllers Replacement Considerations
Consult the official Analog Devices replacement guide for verified cross-reference part numbers. Ensure any substitute maintains compatible input voltage ranges, switching frequencies, and pin configurations.
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