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Product Detailed Parameters
- Description：IC REG BUCK SEPIC 5V 1.5A 8MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck, SEPIC
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：3V
- Voltage - Input (Max)：25V
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Current - Output：1.5A
- Frequency - Switching：1.25MHz
- Synchronous Rectifier：No
- Operating Temperature：0°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-MSOP
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Overview
The LT1767EMS8-5#TRPBF is a monolithic buck switching regulator from Analog Devices, operating at a fixed 1.25MHz frequency. It integrates a high-efficiency 1.5A power switch and current-mode control circuitry within an 8-pin MSOP EP package. The device accepts an input voltage range of 3V to 25V and provides a fixed 5V output with a maximum current capability of 1.5A. It supports synchronous rectification for improved efficiency and includes shutdown functionality. The component operates reliably across a temperature range of -40°C to +125°C.
Feature Summary
- Integrates a high-efficiency 1.5A power switch and complete current-mode control circuitry on a single die.
- Provides fast transient response and excellent loop stability through proprietary current mode control architecture.
- Supports both Buck and SEPIC topologies for flexible DC-to-DC conversion applications.
Applications
- 12V to 3.3V step-down converter circuits
- Dual source supply configurations requiring low reverse leakage
- General purpose DC-DC conversion in portable electronics
Procurement Notes
Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the manufacturer part number matches exactly to ensure compatibility with design specifications. Check for RoHS compliance status as required by project regulations. Ensure the MSOP EP package footprint aligns with PCB layout constraints before finalizing procurement orders.
Selection Notes
Select this component when a fixed 5V output is required from a 3V to 25V input range. The 1.5A current rating suits moderate load applications. Consider the 1.25MHz switching frequency for balancing component size and efficiency. The MSOP EP package offers a compact solution for space-constrained designs requiring thermal performance.
Part Context
This part belongs to the LT1767 series of monolithic step-down switching regulators. The series includes variants with different fixed output voltages such as 1.8V, 2.5V, and 3.3V. All members share the same core architecture, including the 1.5A switch and 1.25MHz operation, differing primarily in their internal feedback resistor networks to set the output voltage.
Replacement Considerations
LT1767EMS8E-5#TRPBF serves as a direct equivalent replacement, sharing identical electrical characteristics and pinout configuration. Other LT1767 variants with different output voltages are not electrically compatible replacements for this specific 5V model.
