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LTC1148HVIS-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 14SOIC. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC1148HVIS-5#PBF
- Description：IC REG CTRLR BUCK 14SOIC
- 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：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：14-SO
DC DC Switching Controllers datasheet and documents for LTC1148HVIS-5#PBF
DC DC Switching Controllers Overview
The LTC1148HVIS-5#PBF is a high-efficiency synchronous step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3.5 V to 20 V and provides a fixed 5 V output at up to 700 mA. The device features a 250 kHz switching frequency, 160 µA quiescent current, and supports shutdown functionality. It is housed in a SOIC-14 package and functions within a temperature range of -40°C to +85°C.
DC DC Switching Controllers Feature Summary
- Integrates synchronous rectification for improved efficiency in buck converter applications
- Includes shutdown pin for power management control
- Designed for surface-mount technology (SMD/SMT) installation
DC DC Switching Controllers Applications
- Portable computer power supplies
- Hand-held equipment power systems
- Battery-powered DC-to-DC conversion
DC DC Switching Controllers Procurement Notes
Verify component authenticity through authorized Analog Devices channels due to limited supply status. Confirm the specific suffix 'VIS-5' matches design requirements for fixed 5V output and industrial temperature rating. Review the official datasheet for handling precautions related to the SOIC-14 package and thermal performance under load conditions.
DC DC Switching Controllers Selection Notes
Select this part when a fixed 5V output is required from a 3.5V to 20V input source. It is suitable for designs prioritizing high efficiency and low quiescent current in space-constrained portable applications. Ensure the 700mA output current meets load demands and that the operating temperature range aligns with environmental specifications.
DC DC Switching Controllers Part Context
This component belongs to the LTC1148 series of high-frequency synchronous buck converters. It shares architectural similarities with other members like the LTC1142 but differs in channel count and output configuration. The series targets efficient power management in mobile and battery-operated devices requiring compact solutions.
DC DC Switching Controllers Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative regulators based on pinout, electrical parameters, and thermal characteristics before substitution.
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