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Product Detailed Parameters
- Description：IC REG BUCK 5V 1.5A 16SSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：5.5V
- Voltage - Input (Max)：60V
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Current - Output：1.5A
- Frequency - Switching：200kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-SSOP (0.154", 3.90mm Width)
- Supplier Device Package：16-SSOP
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Overview
The LT1766IGN-5#TRPBF is a monolithic step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 5.5V to 60V and delivers a fixed output voltage of 5V at up to 1.2A. The device integrates a 200kHz switching frequency, enabling the use of small external components. It features a low quiescent current of 25µA and includes shutdown functionality for power conservation. Packaged in a 16-lead SSOP, it supports industrial temperature ranges from -40°C to +125°C.
Feature Summary
- Integrates a high-efficiency buck converter topology capable of handling wide input voltage ranges up to 60V.
- Includes internal compensation and a fixed-frequency oscillator to minimize external component count.
- Features a dedicated shutdown pin to significantly reduce standby power consumption during inactive periods.
Applications
- Industrial control systems requiring isolated or non-isolated DC-DC conversion
- Battery-powered equipment needing efficient step-down regulation
- Embedded systems with strict space constraints due to compact packaging
Procurement Notes
Verify the specific suffix IGN-5#TRPBF against official Analog Devices documentation to confirm package type and fixed output voltage. Ensure compatibility with required thermal management solutions for the SSOP-16 package under maximum load conditions. Confirm availability status as distribution channels may vary.
Selection Notes
Select this component when a fixed 5V output is required from a high-voltage input source up to 60V. Consider the 200kHz switching frequency for balancing efficiency and EMI. Evaluate thermal performance requirements given the SSOP-16 package limitations compared to larger packages like the EFE variant.
Part Context
This part belongs to the LT1766 family of high-voltage step-down regulators. It shares core electrical characteristics with variants such as the LT1766EFE-5#PBF but differs in packaging (SSOP vs. PowerSO) and shipping format (Tape & Reel vs. Tube). The family is designed for applications requiring robust performance across wide input voltage ranges.
Replacement Considerations
LT1766EFE-5#PBF offers identical electrical specifications in a different package and shipping format. Verify thermal dissipation capabilities when substituting between SSOP and PowerSO packages.
