Manufacturer Part Number
LTC1439CG
Manufacturer
Analog Devices
Introduction
The LTC1439CG is a high-performance, dual output step-down DC-DC switching controller designed for power management applications.
Product Features and Performance
Dual output step-down (buck) topology
Supports a voltage supply range from 3.5V to 30V
Capable of switching frequencies up to 400kHz
Maximum duty cycle of 99%
Incorporates synchronous rectification for improved efficiency
Features include Enable, Power on Reset, and Soft Start functions
Designed for surface mount technology with a 36-SSOP package
Product Advantages
High efficiency due to synchronous rectification
Flexible power supply compatibility, supportive of a range of voltages
Soft Start function reduces inrush current during startup
Key Technical Parameters
Number of Outputs: 2
Output Phases: 1
Voltage Supply (Vcc/Vdd): 3.5V ~ 30V
Frequency Switching: Up to 400kHz
Duty Cycle (Max): 99%
Quality and Safety Features
Reliable performance within the operating temperature range of 0°C ~ 70°C
Compatibility
The 36-SSOP package allows for common surface mount compatibility on standard PCBs
Application Areas
Ideal for distributed power systems, telecommunications, networking equipment, and portable devices
Product Lifecycle
Status: Active product
Not nearing discontinuation, with ongoing support and availability
Several Key Reasons to Choose This Product
Offers high efficiency with up to 99% duty cycle and synchronous rectification
Dual output capability allows for versatile use in various configurations
Broad voltage input range enhances compatibility with different power sources
Integrated safety and control features ensure stable and secure operations
Active product lifecycle status ensures long-term availability and support
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