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LTC1148CN-5#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 14DIP. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC1148CN-5#PBF
- Description：IC REG CTRLR BUCK 14DIP
- 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)：3.5V ~ 20V
- 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：Through Hole
- Package / Case：14-DIP (0.300", 7.62mm)
- Supplier Device Package：14-PDIP
DC DC Switching Controllers datasheet and documents for LTC1148CN-5#PBF
DC DC Switching Controllers Overview
The LTC1148CN-5#PBF is a high-efficiency synchronous step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3.5V to 20V and provides a fixed 5V output at up to 700mA. The device features a 250kHz switching frequency, 160µA quiescent current, and shutdown capability. Packaged in an 8-pin PDIP for through-hole mounting, it functions within a temperature range of 0°C to +70°C.
DC DC Switching Controllers Feature Summary
- Synchronous buck topology for enhanced conversion efficiency
- Integrated shutdown control for power management
- Fixed 5V output regulation
DC DC Switching Controllers Applications
- Portable computer power supplies
- Hand-held equipment power systems
- Battery-powered device regulation
DC DC Switching Controllers Procurement Notes
Verify the specific suffix #PBF confirms lead-free compliance and RoHS status. Confirm the CN variant meets the required industrial or commercial temperature specifications. Ensure the PDIP package aligns with the target PCB footprint and assembly method. Cross-reference the manufacturer datasheet for any recent product change notices affecting pinout or electrical characteristics.
DC DC Switching Controllers Selection Notes
Select this component when a fixed 5V rail is required from a 3.5V to 20V source. The synchronous design suits applications prioritizing efficiency over cost. The PDIP package is suitable for prototyping or low-volume through-hole designs. Consider thermal dissipation requirements given the 700mA output capability in the specified package.
DC DC Switching Controllers Part Context
Part of the LTC1148 family of high-efficiency synchronous buck regulators. Designed for portable electronics requiring efficient power conversion from battery sources. Offers a balance of performance and simplicity for fixed-voltage applications.
DC DC Switching Controllers Replacement Considerations
Consult official Analog Devices documentation for verified cross-references. Generic replacements may differ in efficiency, pinout, or thermal performance.
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