LTC1778 Switching Voltage Regulator (TSSOP-16) IC

LTC1778 Analog Device Series Switching Voltage Regulator (TSSOP-16) IC

The LTC1778 is a current-mode, synchronous step-down switching regulator controller that operates over a wide input voltage range, making it ideal for applications where the input can vary significantly. It uses a no-RSENSE™ architecture, meaning it does not require a sense resistor, thereby improving efficiency and reducing power losses. The controller is designed to deliver high efficiency over a wide load range, making it suitable for high-current applications like powering microprocessors and FPGAs. It supports input voltages from as low as 4V and up to 36V and can regulate output voltages as low as 0.8V. The LTC1778 is packaged in a TSSOP-16 form factor, making it compact and suitable for surface-mounted designs.

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• Wide input voltage range: 4V to 36V input, making it versatile for various applications, including automotive and industrial systems.
  

• No-RSENSE™ architecture: Eliminates the need for a current sense resistor, which reduces power losses and improves efficiency.
  

• Synchronous rectification: Uses a MOSFET as the low-side switch, providing higher efficiency compared to diode rectification.
  

• Current-mode control: Provides fast transient response and simplifies loop compensation.
  

• Adjustable output voltage: Can regulate output as low as 0.8V, suitable for low-voltage applications.
  

• High efficiency: Designed for low power losses, even at high load currents.
  

Specifications of LTC1778 Analog Device Series Switching Voltage Regulators (TSSOP-16) IC

• Input Voltage Range: 4V to 36V.
  

• Output Voltage Range: 0.8V to VIN (programmable).
  

• Output Current: Dependent on external MOSFETs and inductor selection.
  

• Switching Frequency: 200 kHz (typical, adjustable).
  

• Quiescent Current: 600 µA (typical, in no-load conditions).
  

• Efficiency: Typically up to 95%, depending on the external components and configuration.
  

Package Includes

• 1 x LTC1778 Analog Device Series Switching Voltage Regulators (TSSOP-16) IC