LTC3891HFE#TRPBF

$11.25

Description：IC REG CTRLR BUCK 20TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:42524b17bc0d Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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 introduction

LTC3891HFE#TRPBF is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC REG CTRLR BUCK 20TSSOP. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC3891HFE#TRPBF

Description：IC REG CTRLR BUCK 20TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：4V ~ 60V
Frequency - Switching：105kHz ~ 835kHz, 350kHz ~ 535kHz
Duty Cycle (Max)：99%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：20-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package：20-TSSOP-EP
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for LTC3891HFE#TRPBF

LTC3891HFE#TRPBF

DC DC Switching Controllers Overview

The LTC3891HFE#TRPBF is a synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4V to 60V and supports adjustable switching frequencies between 105kHz and 835kHz, or 350kHz and 535kHz. The device features a maximum duty cycle of 99% and includes integrated current limit, enable, frequency control, power good, soft start, and tracking functions. It is housed in a 20-TSSOP-EP package and is rated for operation within a junction temperature range of -40°C to 150°C.

DC DC Switching Controllers Feature Summary

Synchronous rectification architecture for high efficiency
Adjustable constant on-time control for fast transient response
Integrated power good indicator and soft-start functionality
Supports parallel operation for multi-phase configurations

DC DC Switching Controllers Applications

Industrial point-of-load regulation
Telecommunications infrastructure power supplies
Enterprise server and storage systems
Automotive electronics applications

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with required thermal management solutions given the operating temperature range. Confirm RoHS compliance status through manufacturer datasheets prior to integration into final assemblies.

DC DC Switching Controllers Selection Notes

Select this component when designing single-output buck converters requiring wide input voltage ranges up to 60V. Consider its adjustable frequency options for optimizing external component sizes. Evaluate thermal performance requirements based on the TSSOP-EP package capabilities and expected load currents in the target application environment.

DC DC Switching Controllers Part Context

This part belongs to the LTC3891 family of low IQ synchronous step-down controllers. It shares functional similarities with other members like the LTC3891EFE#PBF but differs in packaging and specific electrical characteristics. The HFE variant specifically denotes the 20-TSSOP-EP package configuration suitable for surface-mount assembly.