Maxim Integrated MAX1974EUB+T Current - Output: 1A Frequency - Switching: 1.4MHz Internal Switch(s): Yes Lead Free Status / Rohs Status: Lead free / RoHS Compliant Mounting Type: Surface Mount Number Of Outputs: 1 Operating Temperature: -40?°C ~ 85?°C Package / Case: 10-MSOP, Micro10?„?, 10-uMAX, 10-uSOP Power - Output: 444mW Series: - Synchronous Rectifier: Yes Type: Step-Down (Buck) Voltage - Input: 2.6 ~ 5.5 V Voltage - Output: 0.75 ~ 5.5 V RoHS: yes Input Voltage MAX: 5.5 V Switching Frequency: 1400 KHz Output Voltage: 0.75 V to 5.5 V Output Current: Adjustable, Fixed Number of Outputs: 1 Maximum Operating Temperature: + 85 C Mounting Style: SMD/SMT Input Voltage MIN: 2.6 V Minimum Operating Temperature: - 40 C