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Product Detailed Parameters
- Description：IC REG BUCK ADJ 120MA 12LQFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.9V
- Voltage - Input (Max)：42V
- Voltage - Output (Min/Fixed)：0.778V
- Voltage - Output (Max)：42V
- Current - Output：120mA
- Frequency - Switching：200kHz ~ 2.2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：12-VFQFN Exposed Pad
- Supplier Device Package：12-LQFN (2x2)
- Grade：-
- Qualification：-
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Overview
The LT8604CAV#TRMPBF is a synchronous step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3.2 V to 42 V and provides a fixed 5 V output. The device supports a maximum output current of 100 mA and features a shutdown function. It utilizes an LQFN-12 package for surface mount installation. The component functions within a temperature range of -40°C to +125°C, drawing a typical quiescent current of 1.7 µA. The adjustable switching frequency spans from 200 kHz to 2.2 MHz.
Feature Summary
- Synchronous buck topology for high efficiency
- Wide 42 V input voltage capability
- Low quiescent current consumption
- Integrated shutdown control
Applications
- Industrial sensor power supplies
- Battery-powered instrumentation
- Embedded system logic regulation
Procurement Notes
Verify the specific suffix TRMPBF indicates cut-tape packaging rather than reel quantities. Confirm the C grade designation matches required thermal performance specifications. Ensure compatibility with LQFN-12 footprint dimensions during PCB layout. Validate that the fixed 5 V output aligns with target load requirements without external adjustment components.
Selection Notes
Select this component when a compact solution is needed for low-current applications requiring wide input voltage tolerance. The fixed 5 V output simplifies design compared to adjustable variants. Consider the 100 mA limit against peak load demands. The LQFN-12 package offers a balance between thermal dissipation and board space constraints for moderate power levels.
Part Context
This part belongs to the LT8604 family of synchronous buck regulators designed for high-efficiency power conversion. It shares architectural similarities with other members like the LT8606BIDC but differs in output current capacity and package type. The series targets applications needing reliable regulation from varying input sources while maintaining low standby power consumption.
Replacement Considerations
LT8604CAV#TRPBF serves as a functional equivalent differing primarily in tape-and-reel packaging configuration.
