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MAX5035BASA/V+ 데이터시트(PDF) 9 Page - Maxim Integrated Products |
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MAX5035BASA/V+ 데이터시트(HTML) 9 Page - Maxim Integrated Products |
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9 / 17 page ![]() 1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter _______________________________________________________________________________________ 9 Pin Description PIN NAME FUNCTION 1 BST Boost Capacitor Connection. Connect a 0.1µF ceramic capacitor from BST to LX. 2 VD Internal Regulator Output. Bypass VD to GND with a 0.1µF ceramic capacitor. 3 SGND Internal Connection. SGND must be connected to GND. 4FB Output Sense Feedback Connection. For fixed output voltage (MAX5035A, MAX5035B, MAX5035C), connect FB to VOUT. For adjustable output voltage (MAX5035D), use an external resistive voltage-divider to set VOUT. VFB regulating set point is 1.22V. 5 ON/OFF Shutdown Control Input. Pull ON/OFF low to put the device in shutdown mode. Drive ON/OFF high for normal operation. 6 GND Ground 7VIN Input Voltage. Bypass VIN to GND with a low ESR capacitor as close to the device as possible. 8 LX Source Connection of Internal High-Side Switch ENABLE LX BST VIN ON/OFF VREF REGULATOR (FOR DRIVER) REGULATOR (FOR ANALOG) OSC RAMP HIGH-SIDE CURRENT SENSE IREF-PFM IREF-LIM CPFM 1.69V CILIM FB x1 VREF EAMP CONTROL LOGIC CPWM VD GND Rh Rl CLK SGND MAX5035 TYPE 3 COMPENSATION THERMAL SHUTDOWN RAMP Block Diagram |
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