Board layout TLD3 (revised 5/16/2016):

U1: Texas Instruments TPS92510 [MSOP8]
U2: Richtek RT9058-50GV [SOT23-3]
U3: 74AHCT1G125S [SOT353]

D1: 2A 40V [DO-214AC] Vishay-Dale SS24 preferred

L1: 33uH [6028] Eaton/Coiltronics HCMA0703-330-R preferred

C1: 106 35V [1206]
C2: 474 25V [0603]
C3: 104 50V [0603]
C4: 223 50V [0603]
C5: 104 50V [0603]
C6: 105 50V [0603]
C7: 106 35V [1206]

R1: 10k  [0603]
R2: 10k  [0603]
R3: 10k  [0603]
R4: 330k [0603]
R5: 27k  [0603]
R6: 1k   [1206]
RA: 200k [3223] Bourns 3223J-1-204 preferred
RB: 500k [3223] Bourns 3223J-1-504 preferred 
RC: R332 [1206]