LTC3826EUH Dual 2-Phase Synchronous Step-Down DC/DC Controller

The LTC3826EUH from Linear Technology is a high-performance dual 2-phase synchronous step-down DC/DC controller that provides a compact and efficient solution for power supply designs. This advanced controller is housed in a QFN-32 package and is designed to drive all N-channel power MOSFET stages, which can significantly improve power efficiency and thermal performance.

Featuring a wide input voltage range from 4V to 28V, the LTC3826EUH is versatile enough to handle a variety of applications, including distributed power systems, telecommunications, networking, and industrial systems. The output voltage is adjustable down to 0.6V, with a ±1% voltage output accuracy over a temperature range of -40°C to 85°C, ensuring precise power delivery for sensitive electronics.

Key Features:

• Wide 4V to 28V Input Voltage Range
• Dual, 180° Phased Controllers Reduce Required Input and Output Capacitance
• Adjustable Output Voltage Down to 0.6V
• OPTI-LOOP® Compensation Minimizes COUT
• ±1% Output Voltage Accuracy
• Power Good Output Voltage Monitor
• Selectable Continuous, Pulse-Skipping, or Burst Mode® Operation at Light Loads
• Adjustable Fixed Frequency from 250kHz to 750kHz
• Phase-Lockable Frequency (75kHz to 850kHz)
• Low Shutdown IQ:

The LTC3826EUH also offers a range of features to enhance the power system's reliability and flexibility. With its integrated power good output voltage monitor, designers can easily implement system power sequencing and fault monitoring. The selectable Burst Mode® operation ensures high efficiency at light loads, while the adjustable frequency from 250kHz to 750kHz allows optimization of inductor size and efficiency. The phase-lockable frequency range of 75kHz to 850kHz further adds to the flexibility of the design.

For applications that demand high efficiency, precise control, and reliability, the LTC3826EUH is an excellent choice. Its advanced features and robust design make it a key component for modern power supply solutions.