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LTC1771EMS8#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 8MSOP. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC1771EMS8#PBF
- Description：IC REG CTRLR BUCK 8MSOP
- 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)：2.8V ~ 18V
- Frequency - Switching：-
- Duty Cycle (Max)：100%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable, Soft Start
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-MSOP
DC DC Switching Controllers datasheet and documents for LTC1771EMS8#PBF
DC DC Switching Controllers Overview
The LTC1771EMS8#PBF is a high-efficiency current mode step-down DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 10 V to 20 V and provides an adjustable output voltage from 1.23 V to 18 V. The device supports up to 5 A output current and features a low quiescent supply current of 10 uA for efficient no-load regulation. It utilizes a buck topology with a fixed switching frequency of 550 kHz. The component is housed in an 8-pin MSOP package, suitable for surface mount installation, and functions within a temperature range of -40 °C to +85 °C.
DC DC Switching Controllers Feature Summary
- High efficiency current mode control architecture
- Ultra-low quiescent supply current for battery applications
- Adjustable output voltage capability
- Compact surface-mount packaging
DC DC Switching Controllers Applications
- NiCd/NiMH battery chargers
- Low dropout regulators with burst mode disabled
- General purpose step-down DC/DC conversion
DC DC Switching Controllers Procurement Notes
Verify the specific part number suffix against official Analog Devices documentation to confirm pinout and electrical specifications. Ensure compatibility with required thermal management solutions given the MSOP-8 package constraints. Confirm RoHS compliance status through the manufacturer's latest datasheet or certification documents before finalizing procurement decisions.
DC DC Switching Controllers Selection Notes
Select this controller for designs requiring high efficiency across wide load ranges while maintaining minimal standby power consumption. The adjustable output voltage allows flexibility in setting target rails. Consider the 550 kHz switching frequency when designing external inductor and capacitor values to balance size and performance requirements for the intended application.
DC DC Switching Controllers Part Context
This component belongs to the LTC1771 series of power management integrated circuits. It is designed as a standalone controller requiring external power switches and passive components. The MSOP-8 package variant offers a compact footprint compared to larger industrial packages, making it suitable for space-constrained portable electronics and embedded systems.
DC DC Switching Controllers Replacement Considerations
Consult Analog Devices technical support for verified cross-reference part numbers. Ensure any substitute maintains identical pin configuration and electrical characteristics to avoid redesigning the PCB layout.
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