LTC3779EFE#PBF

$13.93

Description：IC REG CTRLR BUCK-BOOST 38-TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:bafac954d03a Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC3779EFE#PBF 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-BOOST 38-TSSOP. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC3779EFE#PBF

Description：IC REG CTRLR BUCK-BOOST 38-TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Output Type：Transistor Driver
Function：Step-Up, Step-Down
Output Configuration：Positive
Topology：Buck, Boost
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：4.5V ~ 150V
Frequency - Switching：50kHz ~ 600kHz
Duty Cycle (Max)：90%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Current Limit, Power Good, Soft Start
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad
Supplier Device Package：38-TSSOP-EP

DC DC Switching Controllers datasheet and documents for LTC3779EFE#PBF

LTC3779EFE#PBF

DC DC Switching Controllers Overview

The LTC3779EFE#PBF is a synchronous buck-boost DC/DC controller from Analog Devices Inc., designed for wide input and output voltage ranges. It operates with a supply voltage of 4.5 V to 150 V and supports output voltages from 1.2 V to 150 V. The device utilizes a fixed-frequency current mode architecture with a switching frequency range of 50 kHz to 600 kHz. It features a maximum duty cycle of 90% and includes an internal LDO capable of driving external power transistors. The IC is housed in a 38-lead TSSOP package with an exposed pad, rated for operation between -40°C and +125°C.

DC DC Switching Controllers Feature Summary

Supports four-switch buck-boost topology with single inductor architecture
Enables synchronization to an external clock via the PLLIN pin
Provides selectable pulse-skipping or forced continuous conduction modes
Integrates soft-start functionality and foldback current limiting

DC DC Switching Controllers Applications

Battery-powered systems requiring wide input/output voltage flexibility
Telecommunications infrastructure power supplies
Avionics power distribution networks
Automotive electronic control units

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official documentation to confirm package type and temperature rating. Confirm RoHS compliance status through manufacturer declarations. Ensure ordering quantities align with standard factory packaging configurations. Cross-reference datasheet revisions to validate electrical characteristics prior to implementation.

DC DC Switching Controllers Selection Notes

Select this component when designing circuits that demand high efficiency across varying input and output conditions. The wide operating voltage range accommodates diverse power sources. Evaluate thermal management requirements due to the surface-mount package. Consider the need for external MOSFETs compatible with the driver outputs.

DC DC Switching Controllers Part Context

This part belongs to the LTC3779 family of synchronous buck-boost controllers. It shares architectural similarities with other high-voltage switching regulators but is distinguished by its specific voltage handling capabilities and package configuration. The series targets applications requiring robust power conversion in space-constrained environments.