DC-DC 8-40V i/p step-down HRD05003 converter regulator 12/9/5V 3A o/p

Features: 

• _{3A maximum output current. 12V default output voltage, non on-the-fly 9V or 5V selection available.} 
• _{75-84% efficiency (typical).}
• _{-10 - 80 deg Celsius operating temperature.}
• _{300KHz operating frequency.}
• _{Foldback with auto reset upon short circuit.}
• _{(L x W x H) Approx. 5.2 x 4.7 x 2.6 cm}