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Product Detailed Parameters
- Description：IC REG BUCK ADJ 10A 28LQFN
- Series：Silent Switcher®2
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.8V
- Voltage - Input (Max)：42V
- Voltage - Output (Min/Fixed)：0.6V
- Voltage - Output (Max)：42V
- Current - Output：10A
- Frequency - Switching：200kHz ~ 3MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：28-TFQFN Exposed Pad
- Supplier Device Package：28-LQFN (5x4)
- Grade：-
- Qualification：-
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Overview
The LT8638SEV#TRPBF is a synchronous buck Silent Switcher 2 regulator from Analog Devices. It operates with an input voltage range of 2.8 V to 42 V and delivers up to 10 A output current. The device features adjustable switching frequencies between 200 kHz and 3 MHz, enabling optimized efficiency and component size. It incorporates integrated Schottky barrier diodes for low conduction losses and includes comprehensive protection mechanisms such as overcurrent, thermal, and undervoltage lockout.
Feature Summary
- Integrates passive components within the package to minimize electromagnetic interference (EMI) without external shielding
- Features synchronous rectification with integrated Schottky barrier diodes for high efficiency
- Supports wide input voltage ranges suitable for industrial and automotive applications
Applications
- Industrial power supplies
- Automotive electronics systems
- Telecommunications infrastructure equipment
Procurement Notes
Verify the specific suffix against official documentation to confirm package type and reel configuration. Ensure compatibility with required operating temperature ranges and regulatory standards before procurement. Cross-reference datasheet revisions to validate pinout and electrical characteristics match design requirements.
Selection Notes
Select this component when high efficiency and low EMI are critical in space-constrained designs. Consider the input voltage range and maximum load current requirements. Evaluate thermal performance based on PCB layout and ambient conditions. Verify switching frequency settings align with inductor selection goals.
Part Context
This part belongs to the LT8638 series of Silent Switcher 2 regulators. These devices are designed for applications requiring robust performance and minimal noise generation. The series offers various package options to suit different power density needs while maintaining consistent electrical specifications across variants.
Replacement Considerations
Consult official substitution guides for compatible alternatives. Verify pin-to-pin compatibility and electrical parameter equivalence. Ensure thermal management solutions remain adequate for any replacement device selected.
