Maxim Integrated MAX1953EUB+T Current - Output: 10A Duty Cycle (max): 89 % Frequency - Switching: 1MHz Internal Switch(s): No Lead Free Status / Rohs Status: Lead free / RoHS Compliant Maximum Operating Temperature: + 85 C Minimum Operating Temperature: - 40 C Mounting Style: SMD/SMT Mounting Type: Surface Mount Number Of Outputs: 1 Operating Temperature: -40?°C ~ 85?°C Output Current: 4000 mA Output Voltage: 0.8 V to 4.73 V Package / Case: 10-MSOP, Micro10?„?, 10-uMAX, 10-uSOP Power - Output: 444mW Series: - Switching Frequency: 1000 KHz Synchronous Pin: No Synchronous Rectifier: Yes Topology: Boost, Buck Type: Step-Down (Buck) Voltage - Input: 3 ~ 5.5 V Voltage - Output: 0.8 ~ 4.73 V RoHS: yes Number of Outputs: 1