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Product Detailed Parameters
- Description：IC REG DL BUCK/LNR 550KHZ 10MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Topology：Step-Down (Buck) (1), Linear (LDO) (1)
- Number of Outputs：2
- Frequency - Switching：550kHz
- Voltage/Current - Output 1：Adj to 0.8V, 5A
- Voltage/Current - Output 2：Adj to 0.8V, 150mA
- Voltage/Current - Output 3：-
- w/LED Driver：No
- w/Supervisor：No
- w/Sequencer：No
- Voltage - Supply：2.4V ~ 9.8V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：10-MSOP
- Grade：-
- Qualification：-
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Overview
The LTC3700EMS#TRPBF is a synchronous step-down switching regulator with an integrated Low Dropout (LDO) regulator, manufactured by Analog Devices Inc. It utilizes a 10-lead MSOP package for surface mount installation. The device supports an input voltage range of 5V to 9V. The primary buck regulator provides an output current capability of 1A, while the integrated LDO delivers up to 150mA. The unit operates within a temperature range of -40°C to +85°C and features RoHS compliance.
Feature Summary
- Integrates a high-efficiency synchronous buck converter with an auxiliary low dropout linear regulator in a single compact package.
- Supports flexible power architecture by allowing independent or combined operation of the switching regulator and the LDO.
- Designed for applications requiring multiple voltage rails from a single intermediate bus source.
Applications
- Power management systems requiring simultaneous generation of main logic voltages and auxiliary analog supplies.
- Industrial control modules utilizing a 5V to 9V intermediate bus distribution network.
- Embedded systems needing efficient step-down conversion alongside stable low-noise reference voltages.
Procurement Notes
Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm the specific suffix matches the required thermal grade and packaging configuration. Review the official datasheet for handling sensitivity and soldering profile requirements to ensure reliable assembly and long-term operational stability.
Selection Notes
Select this component when a design requires both a high-current switching regulator and a precision LDO from a narrow input voltage window. Evaluate the thermal performance of the MSOP-10 package against the expected load conditions. Ensure the external passive components meet the ripple and transient response specifications defined in the electrical characteristics table.
Part Context
This part belongs to the LTC3700 family of power management ICs designed for efficient multi-rail power distribution. It addresses the need for compact solutions in space-constrained environments where board area is limited. The integration reduces the component count compared to discrete regulator implementations.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing bill of materials before considering alternative sources.
