Analog Devices Inc. LT1767EMS8E-3.3#TRPBF

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Product attributes Property Value
Manufacturer Analog Devices Inc.
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
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) 3.3V
Voltage - Output (Max) -
Current - Output 1.5A
Frequency - Switching 1.25MHz
Synchronous Rectifier No
Operating Temperature 0°C ~ 125°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package 8-MSOP-EP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LT1767EMS8E-3.3#TRPBF is a high-frequency step-down DC-DC converter from Analog Devices. It accepts an input voltage from 3V to 25V and provides a fixed 3.3V output at up to 1.5A. Operating at 1.25MHz, it enables the use of small, low-cost inductors and capacitors, minimizing board space. The exposed pad package ensures excellent thermal performance. This converter is ideal for automotive, industrial, and distributed power systems requiring a compact, efficient 3.3V supply.

  • High Efficiency: Internal synchronous rectification (if applicable) or low dropout design maximizes efficiency across load ranges.
  • Wide Input Range: 3V to 25V input handles automotive transients and industrial supply variations.
  • Small Solution Size: 1.25MHz switching frequency allows for tiny external components, saving PCB area.
  • Thermally Enhanced Package: Exposed pad on MSOP-8 improves heat dissipation for reliable operation at 1.5A.

Distributed Power Systems

In telecom and networking equipment, the LT1767EMS8E-3.3 steps down a 12V or 24V bus to a regulated 3.3V logic rail, delivering 1.5A with high efficiency.

Automotive Electronics

With a wide 3V-25V input range, it handles load-dump and cold-crank conditions, providing a stable 3.3V supply for ECUs, sensors, and infotainment systems.

Industrial Control Boards

For PLCs and motor controllers, this buck converter generates a 3.3V MCU supply from a 24V industrial rail, with the 1.25MHz frequency allowing for small ceramic capacitors.

Battery-Powered Devices

In portable instruments, the high efficiency at light loads extends battery life, while the 3V minimum input supports operation from a single lithium cell down to its discharge cutoff.

FPGA and DSP Core Supplies

The 1.5A output and 3.3V fixed voltage make it suitable for powering the core logic of FPGAs or DSPs in embedded computing applications.

Point-of-Load Regulation

As a POL converter, it provides tight regulation and fast transient response for mixed-signal boards, reducing noise on sensitive analog and digital rails.

Q: What type of converter is the LT1767EMS8E-3.3#TRPBF?
A: It is a step-down (Buck) DC-DC converter, also configurable as a SEPIC, with a fixed 3.3V output.
Q: What is the input voltage range?
A: The input voltage range is from 3V to 25V.
Q: What is the output voltage?
A: The output is fixed at 3.3V.
Q: What is the maximum output current?
A: It can deliver up to 1.5A of output current.
Q: What is the switching frequency?
A: The switching frequency is 1.25MHz.
Q: What package is available?
A: It comes in an 8-TSSOP/MSOP package with an exposed pad for thermal dissipation.
Base Product Number : LT1767
1.25MHz 1.5A 3.3V Fixed Analog Devices Automotive Buck DC-DC Converter Industrial LT1767 MSOP-8 Step-Down
Q: What type of converter is the LT1767EMS8E-3.3#TRPBF?
A: It is a step-down (Buck) DC-DC converter, also configurable as a SEPIC, with a fixed 3.3V output.
Q: What is the input voltage range?
A: The input voltage range is from 3V to 25V.
Q: What is the output voltage?
A: The output is fixed at 3.3V.
Q: What is the maximum output current?
A: It can deliver up to 1.5A of output current.
Q: What is the switching frequency?
A: The switching frequency is 1.25MHz.
Q: What package is available?
A: It comes in an 8-TSSOP/MSOP package with an exposed pad for thermal dissipation.