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MC34063A: Pls resolve how to limit the output current in Booster copnfiguration of MC34063A

anandam boora
Prodigy 120 points
Part Number: MC34063A

Dear Representative,

we designed one DC-DC booster circuit with Vin 12V and  output (V) :12.7V and current  275mA . 

The below are  the components used

Rcs 375E,

Rc 180E

R2: 20.33K

R1 2.2K

Li: 39UH Wruth Elelctronics

D1: 1N5819

Cf: 2.2nf

Cin 220uF

Cout 220Uf

But here the current it is not limited .I cannot able tosolve the problemthe circuit is using for 11.1V Battery pack with 275mA. ( Battery LCO 9.0V and Upper cut off 12V.