Designator 
QTY 
Description 
C1, C5, C7 
3 
Ceramic capacitor 100µF, 6.3V, X5R, 10% (1210) 
C10 
1 
Ceramic capacitor 0.1µF, 100V, X7R, 20% (1206) 
C11 
1 
Ceramic capacitor 0.47µF, 16V, X7R, 20% (0805) 
C12, C15, C17, C19, C20 
5 
Ceramic capacitor 0.1µF, 16V, X7R, 20% (0603) 
C13 
1 
Ceramic capacitor 4700pF, 100V, X7R, 20% (0603) 
C14 
1 
Ceramic capacitor 1000pF, 50V, X7R, 20% (0603) 
C16 
1 
Ceramic capacitor 0.033µF, 25V, X7R, 20% (0603) 
C18 
1 
Ceramic capacitor 47pF, 50V, COG, 20% (0603) 
C2 

Electrolytic capacitor 4.7µF, 35V 

1 
Panasonic EEVFK1H4R7R 
C21 
1 
Ceramic capacitor 47µF, 6.3V, X5R, 10% (1210) 
C24, C25, C4 
3 
Ceramic capacitor 0.1µF, 16V, X7R, 20% (0603) 
C26 
1 
Ceramic capacitor 220pF, 50V, X7R, 20% (0603) 
C3 
1 
Ceramic capacitor 10µF, 6.3V, X5R, 10% (1206) 
C6 
1 
Electrolytic capacitor 22µF, 63V 


Panasonic EEVFK1220XP 
C8 
1 
Ceramic capacitor 1µF, 100V, X7R, 20% (1210) 
C9 
1 
Ceramic capacitor 2.2nF, 250VAC, X7R, 20% (2220) 
D1, D2, D3, D6 
4 
Diode 1N4148W (SOD323) 
D4 
1 
Zener diode SMBJ54 (SMB) 
D5, D8 
2 
Schottky diode BAT54 (SOT23) 
L1 
1 
Inductor 4.7µH, Coilcraft DO1608C472 
L2, L3 
2 
Inductor 1µH, Coilcraft DO1608C102 
Q1 
1 
NPN small signal transistor MMBT3904 (SOT23) 
Q2 
1 
n Channel MOSFET 5A, 150V (DPAK) 


Fairchild Semiconductor FQD5N15 
Q3 
1 
PNP small signal transistor MMBT3907 (SOT23) 
Q6 
1 
n Channel, logiclevel, power trench MOSFET (SOT23) 


Fairchild Semiconductor NDS351AN 
R1 
1 
Resistor 4.75k, 1% (0603) 
R10 
1 
Resistor 25.5k, 1% (1206) 
R11 

open 
R12 
1 
Resistor 221Ω, 1% (0603) 
R13 

short 



R14 
1 
Resistor 2.10k, 1% (0603) 
R15 
1 
Resistor 560Ω, 1% (0603) 
R16 
1 
Resistor 33Ω, 1% (0603) 
R17, R21 
2 
Resistor 1k, 1% (0603) 
R18 
1 
Resistor 22Ω, 1% (0603) 
R19 
1 
Resistor 1.5Ω, 1% (0805) 
R2 
1 
Resistor 47Ω, 1% (0603) 
R22 
1 
Resistor 7.87k, 1% (0603) 
R23 
1 
Resistor 1M, 1% (0603) 
R24 
1 
Resistor 2.32k, 1% (0603) 
R25 
1 
Resistor 255Ω, 1% (0805) 
R26 
1 
Resistor 10k, 1% (0603) 
R3 
1 
Resistor 100Ω, 1%, (0603) 
R4 
1 
Resistor 11.30k, 1% (0603) 
R6, R7 
2 
Resistor 10Ω, 1% (0603) 
R8 
1 
Resistor 49.9k, 1% (0603) 
R9 
1 
Resistor 22.60k, 1% (0603) 
T1 
1 
Custom transformer Coilcraft C1154B 
T2 
1 
Gatedrive transformer Pulse Engineering PA0184 
U1 
1 
Dual n Channel 2.5V (GS) MOSFET (SO8) 


Vishay Si9926BDY 
U2 
1 
IEEE802.3aFcompliant POE/PWM Controller (SO16) 


Maxim MAX5941A 
U3 
1 
8Pin SO error amplifier optocoupler (SO8) 


Fairchild Semiconductor FOD2712 
U4 
1 
3A 1MHZ Buck regulator with internal switches (QSOP16) 


Maxim MAX8505 