Manufacturer Part Number
LTC3728EG#TRPBF
Manufacturer
Analog Devices
Introduction
High-performance, dual-output step-down switching regulator controller
Product Features and Performance
Dual synchronous step-down output regulator
Integrated transistor driver for MOSFET control
Capable of operating with up to 30V input voltages
Adjustable switching frequency from 260kHz to 550kHz
Maximum duty cycle of 99.4%
Supports external clock synchronization
Soft start capability to reduce in-rush current
Power Good output status indication
Two-phase operation reduces input and output ripple
Product Advantages
High efficiency due to synchronous rectification
Reduced system complexity with integrated controllers
Improved thermal management with two-phase operation
Robust design suitable for harsh operating conditions
Key Technical Parameters
Voltage supply: 3.5V to 30V
Topology: Buck
Number of outputs: 2
Output Phases: 2
Switching frequency: 260kHz to 550kHz
Operating temperature range: -40°C to 85°C
Mounting type: Surface mount
Package: 28-SSOP
Quality and Safety Features
Built-in over temperature protection
Short-circuit protection
Under-voltage lockout
High quality and reliability standards of Analog Devices
Compatibility
Compatible with a wide range of MOSFETs
Suitable for surface mount technology (SMT) on PCBs
Application Areas
Telecommunications
Computing systems
Industrial power supplies
Networking equipment
Product Lifecycle
Product Status: Active
No indication of discontinuation, ensuring long-term availability
Support and replacements available
Several Key Reasons to Choose This Product
High integration reduces external component count and system size
Dual-phase operation improves efficiency and reduces heat generation
Wide input voltage range accommodates various power sources
Flexible switching frequency allows optimization of inductor size and efficiency
Robust thermal and overcurrent features ensure product reliability in various applications
Manufactured by Analog Devices, known for high-performance semiconductor products