DC DC Cntrlr Single-OUT Flyback Controller/PWM DC to DC Controller 4.2V to 35V Input 8-Pin SOIC Tube
Texas Instruments
Texas Instruments - UC2572D
* $2.05 - * $4.25
Texas Instruments - UC2572DTRG4
$1.59
Texas Instruments - UC2572
$1.37 - $5.57
Texas Instruments - UC2572DTR
$1.37 - $5.36
Texas Instruments - UC2572N
* $4.21
Texas Instruments - UC2572DT G4