Linear Tech LTC3839EUH#PBF Controller IC QFN 32 Pin

The LTC®3839 is a 2-phase, single-output PolyPhase® synchronous step-down switching regulator controller that drives all N-channel power MOSFETs. The controlled on-time, valley current mode control architecture allows for fast transient response and constant frequency switching in steady-state operation, independent of V IN, V OUT and load current. Its load-release transient detection feature significantly reduces overshoot at low output voltages. Differential output voltage sensing, along with a precision internal reference, offers an accurate ±0.67% output regulation, even if the remote output ground deviates from local ground by ±500mV. The switching frequency can be programmed from 200kHz to 2MHz with an external resistor and can be synchronized to an external clock. Very low t ON and t OFF times allow for near 0% and near 100% duty cycles, respectively. Voltage tracking soft start-up and multiple safety features are provided.

• Category controller ic
• Case style: QFN<
• Duty cycle (%): 100%
• Frequency: 2MHz
• No. Of outputs: 1
• No. Of pins: 32
• Operating temperature: -40 to +85°C
• Supply voltage max: 38V
• Supply voltage min: 4.5V
• Switching frequency: 2MHz
• Topology: synchronous buck (step down)
• For full details please refer to data sheet