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 1A 36QFN
- Series：-
- 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)：4.4V
- Voltage - Input (Max)：105V
- Voltage - Output (Min/Fixed)：1V
- Voltage - Output (Max)：105V
- Current - Output：1A
- Frequency - Switching：200kHz ~ 2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：36-WFQFN, 26 Leads, Exposed Pad
- Supplier Device Package：36-QFN (5x6)
- Grade：-
- Qualification：-
Download product information
Overview
The LT7101EUHE#TRPBF is a synchronous step-down regulator from Analog Devices, designed for high-voltage input applications. It supports an input voltage range up to 105V and delivers a continuous output current of 1A. The device integrates low EMI technology to minimize electromagnetic interference during switching operations. It features a fixed internal switching frequency of 1.4MHz, allowing for the use of small external inductors and capacitors. The regulator offers adjustable output voltage capability and includes protection features such as thermal shutdown and current limiting. It is housed in a compact 28-lead QFN package suitable for space-constrained designs.
Feature Summary
- Integrates low EMI synchronous buck topology for noise-sensitive environments
- Supports high input voltages up to 105V with integrated power switch
- Features fixed 1.4MHz switching frequency for compact passive component selection
- Includes comprehensive protection mechanisms including thermal and current limiting
Applications
- Industrial automation power supplies
- Automotive electronics systems
- Telecommunications infrastructure equipment
- High-voltage battery-powered devices
Procurement Notes
Verify the specific suffix EUHE corresponds to the commercial temperature grade when sourcing. Confirm the TRPBF designation indicates tape and reel packaging with lead-free composition. Cross-reference the manufacturer's latest datasheet revision to ensure compatibility with your design requirements. Check for any recent product change notices that might affect pinout or electrical characteristics before finalizing procurement orders.
Selection Notes
Select this component when designing systems requiring high input voltage tolerance combined with low electromagnetic interference. The 1A output current rating suits moderate load applications where efficiency and size are critical. Consider the 1.4MHz frequency trade-off between component size and switching losses. Ensure adequate thermal management due to the power dissipation inherent in high-voltage step-down conversion within the QFN package.
Part Context
This part belongs to the LT7101 family of high-voltage synchronous buck regulators. It shares architectural similarities with other ADI high-voltage converters but is distinct in its specific 1A current rating and 1.4MHz fixed frequency operation. The EUHE variant denotes the commercial temperature range version within the broader LT7101 product line, differentiating it from military or extended temperature grades.
Replacement Considerations
LTC7103IUHE#TRPBF serves as a parameter-equivalent alternative offering higher current capacity. LT7101HUHE#TRPBF provides the same functionality with an extended temperature range specification. Verify pin compatibility and thermal performance when substituting these parts in existing designs.
