Product details
LTC®3878 is a synchronous step-down switching DC/DC controller optimized for high switching frequency and fast transient response. The constant on-time valley current mode architecture allows for a wide input range, including very low-duty factor operation. No external sense resistor or slope compensation is required. This pin is compatible with in applications that do not use EXTVCC while offering better efficiency. Consult with the factory to verify compatibility. Application includes distributed power systems, embedded computing, communications infrastructure.
Extremely fast transient response
Stable with Low ESR ceramic COUT
Supports smooth start-up into pre-biased output
Optimized for high step-down ratios
Power good output voltage monitor
Input operating voltage range from 4 to 38V (TA = 25°C, VIN = 15V)
Typical feedback reference voltage is 0.8V (ITH = 1.2V, TA = 25°C)
16-lead plastic SSOP package
Temperature rating range from -40°C to 85°C







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