Manufacturer Part Number
LTC3731CG#TRPBF
Manufacturer
Analog Devices
Introduction
The LTC3731CG#TRPBF is a multi-phase synchronous buck step-down DC/DC controller, designed to drive power transistors for high-performance applications.
Product Features and Performance
Three-phase synchronous buck topology which improves efficiency
Flexible supply voltage range from 3.8V to 7V
High switching frequency range from 225kHz to 680kHz
Maximum duty cycle of 98.5%
Integrated features like soft start, phase control, and a power good signal
Product Advantages
High efficiency with synchronous rectification
Smooth startup operation owing to the soft start feature
Real-time power optimization via phase control function
Enhanced system reliability due to the power good signal
Key Technical Parameters
Output Type: Transistor Driver
Function: Step-Down
Output Configuration: Positive
Number of Outputs: 3
Output Phases: 3
Frequency Switching: 225kHz ~ 680kHz
Voltage Supply (Vcc/Vdd): 3.8V ~ 7V
Duty Cycle (Max): 98.5%
Synchronous Rectifier: Yes
Quality and Safety Features
Operates within 0°C ~ 70°C temperature range ensuring reliability under standard operating conditions
Compatibility
Mounting Type: Surface Mount
Package / Case: 36-SSOP (0.209", 5.30mm Width)
Application Areas
Ideal for high-performance power distribution systems in telecommunications, networking, and industrial applications
Product Lifecycle
Status: Active
Not nearing discontinuation and continues to have capacity for upgrades and replacements
Several Key Reasons to Choose This Product
Ensures reduced system power loss through high efficiency operation
Capable of handling high output loads with up to three output phases
Provides reliable power management with performance optimizing features such as power good signal and phase control
Highly flexible in application with its wide voltage supply range and high switching frequency adjustments
Fits compact spaces owing to its small form factor in 36-SSOP package