Please recommend me a suitable chip

Hello~all
I need some help.I can’t find a suitable for my project,Please recommend one to me! Thank you in advance.
These are the data:
1). The inputted voltage: 8-35v ( I hope the input can up to the max value:40V)
2). The outputted voltage is 5v
3). The outputted current:100mA
4). The volume of chip and the total circuit volume outside should be small as its possible
5). The cost is 3RMB
Does MC34063 (this one:[url]http://www.kynix.com/Detail/364063/MC34063.htmlurl[/url] )suitable satisfy the following require I stated?
Thanks a lot! Can you recommend one to me?