Micrel MIC3172YM Adjustable Output: No Current - Output: 1.25A Duty Cycle: 89% Frequency: 100kHz Frequency - Switching: 100kHz ID_COMPONENTS: 4641466 Input Voltage: 40V Internal Switch(s): Yes Mounting: Surface Mount Mounting Type: Surface Mount No. Of Outputs: 1 No. Of Pins: 8 Number Of Outputs: 1 Number Of Pwm Outputs: 1 On/off Pin: Yes Operating Supply Voltage (max): 40V Operating Temperature: -40?°C ~ 85?°C Operating Temperature Classification: Industrial Operating Temperature Range: -40?‚?°C To +85?‚?°C Output Current: 1.25A Output Voltage: 5V Package / Case: 8-SOIC (3.9mm Width) Package Type: SOIC Pin Count: 8 Power - Output: 302mW Series: - Supply Voltage Range: 3V To 40V Switching Freq: 112KHz Synchronous Pin: No Synchronous Rectifier: No Type: Step-Down (Buck), Step-Up (Boost), Inverting, Cuk Voltage - Input: 3 ~ 40 V Voltage - Output: - RoHS: yes Input Voltage MAX: 40 V Switching Frequency: 100 kHz Number of Outputs: 1 Maximum Operating Temperature: + 85 C Mounting Style: SMD/SMT Input Voltage MIN: 3 V Minimum Operating Temperature: - 40 C Topology: Buck, Boost Other Names: 576-1160