Ищутся две (или более) микросхемы ACT4060SH (ACT4060SH - Wide Input 2A Step Down Converter - Active-Semi, Inc)
Характеристика:
2A Output Current
Up to 95% Efficiency
4.75V to 20V Input Range
8μA Shutdown Supply Current
420kHz Switching Frequency
Adjustable Output Voltage
Cycle-by-Cycle Current Limit Protection
Thermal Shutdown Protection
Frequency FoldBack at Short Circuit
Stability with Wide Range of Capacitors,
Including Low ESR Ceramic Capacitors
SOP-8 Package
звоните: 89157812745 Сергей