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| PAGE 3
EPC9037/37/41
THERMAL CONSIDERATIONS
The EPC9036/37/41 development boards showcase the EPC2100/1/5
eGaN
IC.
These development boards are intended for bench evalua-
tion with low ambient temperature and convection cooling. The ad-
dition of heat-sinking and forced air cooling can significantly increase
Figure 4: EPC9036 Typical Waveforms for V
IN
= 12 V to 1.2 V/25 A (1000 kHz) Buck converter
showing rising and falling edges, CH4: (V
OUT
) Switch node voltage
750
650 ps rise time
350 MHz
ringing
3 V
ps fall time
the current rating of these devices, but care must be taken to not
exceed the absolute maximum die temperature of 150°C.
NOTE. These development boards do not have any current or thermal protection on
board.
Item
Qty
Reference
Part Description
Manufacturer
1
3
C4, C10, C11,
Capacitor, 1µF, 10%, 25 V, X5R
Murata, GRM188R61E105KA12D
2
2
C16, C17
Capacitor, 100pF, 5%, 50 V, NP0
Kemet, C0402C101K5GACTU
3
2
C9, C19
Capacitor, 0.1µF, 10%, 25 V, X5R
TDK, C1005X5R1E104K
4
4
C21, C22, C23, C24
Capacitor - See Table 3
See Table 3
5
2
D1, D2
Schottky Diode, 30 V
Diodes Inc., SDM03U40-7
6
3
J1, J2, J9
Connector
2 pins of Tyco, 4-103185-0
7
6
J3, J4, J5, J6, J7, J8
Connector
FCI, 68602-224HLF
8
1
Q1
eGaN
IC
, -
see Table 3
See Table 3
9
1
R1
Resistor, 10.0K, 5%, 1/8 W
Stackpole, RMCF0603FT10K0
10
2
R2, R15
Resistor, 0 Ohm, 1/8W
Stackpole, RMCF0603ZT0R00
11
1
R4
Resistor, 47 Ohm, 1%, 1/8W
Stackpole, RMCF0603FT47R0
12
1
R5
Resistor, - see Table 3
See Table 3
13
4
R19, R20, R23, R24
Resistor, 0 Ohm, 1/20W
Panasonic, ERJ-1GE0R00C
14
2
TP1, TP2
Test Point
Keystone Elect, 5015
15
1
TP3
Connector
1/40th of Tyco, 4-103185-0
16
1
U1
I.C., Logic
Fairchild, NC7SZ00L6X
17
1
U2
I.C., Gate driver
Texas Instruments, LM5113
18
1
U3
I.C., Regulator
Microchip, MCP1703T-5002E/MC
19
1
U4
I.C., Logic
Fairchild, NC7SZ08L6X
20
0
R14
Optional Resistor
21
0
D3
Optional Diode
22
0
P1, P2
Optional Potentiometer
Table 2: Bill of Materials - Amplifier Board
