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Product Detailed Parameters
- Description：IC REG BUCK BOOST ADJ 1.25A 8SO
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Up, Step-Down, Step-Up/Step-Down
- Output Configuration：Positive or Negative
- Topology：Buck, Boost, Cuk, Flyback, Forward Converter
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3V
- Voltage - Input (Max)：40V
- Voltage - Output (Min/Fixed)：1.244V
- Voltage - Output (Max)：65V (Switch)
- Current - Output：1.25A (Switch)
- Frequency - Switching：100kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 100°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SO
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Overview
The LT1172IS8#TRPBF is a monolithic high-power switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3 V to 60 V and provides an adjustable output voltage. The device supports a maximum output current of 1.25 A, delivering up to 100 W of output power. It functions at a fixed switching frequency of 100 kHz and draws a typical operating supply current of 6 mA. The component is housed in an SOIC-8 surface-mount package and is rated for operation within a temperature range of -40°C to +100°C.
Feature Summary
- Supports multiple standard switching topologies including buck, boost, flyback, forward, inverting, and Cuk configurations.
- Integrates a high-current, high-efficiency internal switch along with complete oscillator, control, and protection circuitry on the die.
Applications
- Buck converter circuits
- Boost converter circuits
- Flyback converter designs
- Forward converter implementations
Procurement Notes
Verify the specific suffix #TRPBF indicates tape-and-reel packaging when sourcing. Confirm the IS8 variant meets industrial temperature requirements. Cross-reference the manufacturer part number with official Analog Devices documentation to ensure authenticity. Check for RoHS compliance status as indicated in the datasheet. Validate that the supplier provides valid traceability for this PMIC component.
Selection Notes
Select this component for applications requiring versatile topology support from a single IC. The wide 3 V to 60 V input range accommodates various bus voltages. The integrated switch simplifies design by reducing external component count. Ensure thermal management aligns with the SOIC-8 package capabilities for the intended load.
Part Context
This part belongs to the LT1172 series of high-efficiency switching regulators. The series is characterized by its ability to operate in all standard DC-DC converter configurations. It serves as a flexible solution for power management in systems requiring robust voltage conversion across diverse input and output conditions.
FAQ
What switching topologies does the LT1172 support?
The LT1172 supports buck, boost, flyback, forward, inverting, and Cuk configurations.
Is the LT1172IS8#TRPBF available in a reel package?
Yes, the #TRPBF suffix indicates the component is supplied in a tape-and-reel format.
