ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.5A/2.5A 28QFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：2
- Voltage - Input (Min)：3.4V
- Voltage - Input (Max)：42V
- Voltage - Output (Min/Fixed)：0.79V
- Voltage - Output (Max)：41.8V
- Current - Output：1.5A, 2.5A
- Frequency - Switching：200kHz ~ 3MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：28-WFQFN Exposed Pad
- Supplier Device Package：28-QFN (3x6)
- Grade：-
- Qualification：-
Download product information
Overview
The LT8616EUDE is a dual synchronous step-down switching regulator manufactured by Analog Devices Inc. It integrates two independent buck converters capable of delivering up to 2.5A and 1.5A output currents respectively. The device operates from an input voltage range of 5.8V to 42V with a fixed switching frequency of 2.05MHz. It features ultra-low quiescent current consumption of 6.5µA when both channels are enabled, ensuring high efficiency in battery-powered applications.
Feature Summary
- Dual-channel synchronous buck topology for independent power rail generation
- Ultra-low quiescent current consumption for extended battery life
- High-speed switching operation at 2.05MHz for compact passive component size
- Integrated synchronous rectification for improved conversion efficiency
Applications
- Battery-powered instrumentation systems requiring multiple voltage rails
- Industrial control units needing isolated or non-isolated DC-DC conversion
- Portable test equipment utilizing high-efficiency step-down regulation
- Automotive electronics operating within wide input voltage ranges
Procurement Notes
Verify the specific suffix EUDE against official Analog Devices documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with required thermal management solutions given the power dissipation characteristics. Confirm RoHS compliance status through the manufacturer's latest datasheet revision notes before finalizing procurement orders.
Selection Notes
Select this component when designing systems requiring two independent regulated outputs from a single high-voltage source. The 2.05MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Evaluate thermal performance based on total load current and ambient conditions. Consider the low quiescent current benefit for standby mode efficiency requirements in portable devices.
Part Context
The LT8616 belongs to Analog Devices' portfolio of high-efficiency synchronous buck regulators. It complements other members like the LT8615 and LT8617 which offer different channel configurations or pinouts. This dual-channel architecture distinguishes it from single-channel counterparts while sharing similar control loop dynamics and protection features found across the series.
Replacement Considerations
LT8615EFE: Single-channel alternative with similar electrical characteristics but only one output. LT8617EFE: Triple-channel variant offering three independent outputs instead of two. Verify pinout compatibility and thermal requirements when substituting between these related part numbers.
