Texas Instruments, LM2599S-5.0/NOPBStep-Down Switching Regulator, 1-Channel 1A 7-PinD2PAK
Texas InstrumentsStep-Down Switching Regulator, 1-Channel 1A 7-PinD2PAK, Regulator Function: Buck Controller, Inverting, Minimum Input Voltage: 4.5 V, Maximum Input Voltage: 40 V, Output Type: Fixed, Mounting Type: Surface Mount, Package Type: D2PAK (TO-263), Switching Regulator: Yes, Dimensions: 10.16 x 8.64 x 4.57mm, Efficiency: 80%, Length: 10.16mm, Maximum Operating Temperature: +125 °C, MPN: LM2599S-5.0/NOPB