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 3.5A DL 38TSSOP
- 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)：3V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：34.2V
- Current - Output：3.5A
- Frequency - Switching：110kHz ~ 2.5MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：38-TFSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：38-TSSOP-EP
- Grade：-
- Qualification：-
Download product information
Overview
The LT3692AIFE is a monolithic dual tracking 3.5A step-down switching regulator from Analog Devices Inc. It features two internal 3.8A switches and operates with an input voltage range of 7V to 36V. The device supports a wide output voltage adjustment from 0.8V to 34.2V per channel, delivering up to 3.5A continuous current. It utilizes dual current mode PWM control with a fixed 2.5MHz switching frequency. Key electrical parameters include a maximum operating temperature of +125°C and a minimum of -40°C. The package is TSSOP-EP-38.
Feature Summary
- Dual independent channels with separate shutdown, feedback, soft-start, and current limit controls for complex power sequencing
- Internal 3.8A switches enable high current density in a compact footprint
- Fixed 2.5MHz switching frequency optimizes efficiency and component size
- 180-degree phase relationship between channels reduces input and output voltage ripple
Applications
- Complex power supply tracking and sequencing requirements
- Multi-rail system power architectures requiring synchronized outputs
- Industrial equipment with strict thermal management needs
- Automotive electronics utilizing dual-stage conversion topologies
Procurement Notes
Verify the specific suffix against the manufacturer's official datasheet to confirm pinout compatibility and thermal performance specifications. Ensure the ordering part number matches the exact package variant required for your PCB layout. Cross-reference the RoHS compliance status with current regulatory standards before finalizing procurement orders.
Selection Notes
Select this component when designing systems requiring precise voltage tracking between multiple rails. The independent control pins allow for customized startup sequences without external logic. Consider the 2.5MHz frequency for balancing EMI constraints against passive component size. Evaluate thermal dissipation requirements given the 3.5A output capability in the TSSOP-EP package.
Part Context
The LT3692AIFE belongs to the LT3692A family of dual tracking buck converters. This series is designed for applications demanding high efficiency and tight regulation across multiple output voltages. The device integrates advanced protection features including UVLO and OVLO, ensuring robust operation in transient-rich environments common in industrial and automotive sectors.
Replacement Considerations
Check for LT3692AHFE or LT3692AEFE variants if different input voltage ranges or output configurations are needed. Verify pin-to-pin compatibility before substitution. Consult the manufacturer's cross-reference guide for updated thermal and electrical specifications.
