The 10A LTC3310S is housed in a compact 3mm x 3mm LQFN package, with power density greater than 1.1A per square mm. The 3A, 4A, and 6A LTC3307A, LTC3308A, and LTC3309A respectively, are housed in the compact 2mm by 2mm 12-pin LQFN package. Note that the power density for the LTC3309A is the family’s highest at 1.5A per square mm. The LTC3315A is in the same 2mm by 2mm 12-pin LQFN package but has a different pinout.