Analog Devices Inc. LT1376CS8#TRPBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $10.16 | $10.16 |
| 15+ | $9.83 | $147.45 |
| 25+ | $9.62 | $240.50 |
| 50+ | $9.09 | $454.50 |
| 100+ | $8.02 | $802.00 |
| N+ | $1.60 | Price Inquiry |
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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 | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 5V |
| Voltage - Input (Max) | 25V |
| Voltage - Output (Min/Fixed) | 2.42V |
| Voltage - Output (Max) | 21.5V |
| Current - Output | 1.5A (Switch) |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | No |
| Operating Temperature | 0°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SO |
| ROHS |
The LT1376CS8 is a 500kHz monolithic buck switching regulator from Analog Devices, designed for step-down applications requiring up to 1.5A switch current. It accepts inputs from 5V to 25V and delivers an adjustable output from 2.42V to 21.5V, making it adaptable for various logic and analog supplies. The fixed 500kHz switching frequency allows for small, low-profile inductors and capacitors, while the 8-pin SOIC package simplifies board layout. Its versatile architecture also supports SEPIC configurations, enabling positive outputs from negative or varying input rails. Typical uses include automotive electronics, industrial controls, and distributed power systems.
- High Switching Frequency: 500kHz operation reduces external component sizes, saving PCB space and cost.
- Wide Output Adjustability: Output from 2.42V to 21.5V supports diverse logic and analog requirements.
- SEPIC Capability: Flexible topology allows for inverting or step-up/step-down applications beyond standard buck.
- Robust Input Range: Handles 5V to 25V inputs, ideal for automotive and industrial 12V/24V systems.
Automotive Power Supplies
With a 5V to 25V input range, the LT1376CS8 regulates 12V battery power down to 5V or 3.3V for ECUs, sensors, and infotainment systems, withstanding load-dump transients.
Industrial Control Systems
The 500kHz fixed frequency reduces electromagnetic interference in factory automation, while the 1.5A switch current drives relays, valves, and logic circuits from 24V rails.
Telecom Line Cards
Converting 12V backplane supplies to lower voltages, this buck regulator powers DSPs and FPGAs, with the SEPIC option enabling positive outputs from negative rails.
Distributed Power Architectures
As an intermediate bus converter, it steps 24V down to 5V or 12V for point-of-load regulators, improving overall system efficiency in networking equipment.
Battery Chargers
The adjustable output up to 21.5V allows charging lead-acid or lithium battery stacks from a 24V solar panel or adapter, with current limiting via external sense resistor.
Test and Measurement Equipment
Precise 2.42V reference and low output ripple make it suitable for powering analog front-ends in oscilloscopes and data acquisition units.
- Q: What type of converter is the LT1376CS8?
- A: It is a step-down (Buck) switching regulator that can also be configured as a SEPIC converter.
- Q: What is the input voltage range?
- A: The input voltage range is from 5V to 25V.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 2.42V up to 21.5V.
- Q: What is the maximum switch current?
- A: The maximum switch current is 1.5A.
- Q: What is the switching frequency?
- A: The switching frequency is fixed at 500kHz.
- Q: What package is available?
- A: It is available in an 8-pin SOIC package.
- Q: What type of converter is the LT1376CS8?
- A: It is a step-down (Buck) switching regulator that can also be configured as a SEPIC converter.
- Q: What is the input voltage range?
- A: The input voltage range is from 5V to 25V.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 2.42V up to 21.5V.
- Q: What is the maximum switch current?
- A: The maximum switch current is 1.5A.
- Q: What is the switching frequency?
- A: The switching frequency is fixed at 500kHz.
- Q: What package is available?
- A: It is available in an 8-pin SOIC package.

LT1376CS8#TRPBF.pdf