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LTC1159CG#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 20SSOP. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC1159CG#PBF
- Description：IC REG CTRLR BUCK 20SSOP
- 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：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-SSOP (0.209", 5.30mm Width)
- Supplier Device Package：20-SSOP
DC DC Switching Controllers datasheet and documents for LTC1159CG#PBF
DC DC Switching Controllers Overview
The LTC1159CG#PBF is a synchronous step-down switching regulator controller from Analog Devices. It operates with an input voltage range of 4V to 40V and supports a maximum switching frequency of 250kHz. The device features a 100% duty cycle capability and includes a synchronous rectifier for improved efficiency. It is housed in a 20-pin SSOP package.
DC DC Switching Controllers Feature Summary
- Synchronous buck topology with integrated control logic
- Automatic Burst Mode operation for high efficiency at light loads
- Wide input voltage range supporting various power sources
DC DC Switching Controllers Applications
- High efficiency DC-DC conversion circuits
- Industrial power supply designs
- Battery-powered equipment requiring low quiescent current
DC DC Switching Controllers Procurement Notes
Verify the specific suffix #PBF indicates lead-free tube packaging when ordering. Confirm the SSOP-20 package dimensions against your PCB footprint requirements. Ensure the design accounts for the 250kHz switching frequency limitations regarding external component selection and thermal management.
DC DC Switching Controllers Selection Notes
Select this controller for applications requiring synchronous rectification and wide input voltage compatibility. It is suitable for designs prioritizing efficiency across varying load conditions due to its Burst Mode feature. Consider the 20-pin SSOP package constraints during layout planning.
DC DC Switching Controllers Part Context
This component belongs to the LTC1159 family of synchronous step-down switching regulator controllers. The series is characterized by its ability to maintain high efficiency at low output currents through automatic Burst Mode operation, making it distinct from standard PWM controllers.
DC DC Switching Controllers Replacement Considerations
Check for direct pin-compatible alternatives within the same product family or similar synchronous buck controllers from other manufacturers. Verify that any substitute matches the 4V-40V input range and 250kHz frequency specifications.
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