LM5026EVAL National Semiconductor, LM5026EVAL Datasheet - Page 7

• Manufacturer Part Number: LM5026EVAL
• Description: BOARD EVALUATION LM5026
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LM5026EVAL

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Isolated
• Voltage - Output: 3.3V
• Current - Output: 30A
• Voltage - Input: 36 ~ 78V
• Regulator Topology: Buck
• Frequency - Switching: 230kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LM5026
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Power - Output: -

Layout and Bill of Materials
The Bill of Materials is shown below and includes the manu-
facturer and part number. The layers of the printed circuit
board are shown in top down order. View is from the top
R14,R18,R19,R29,R33,R35
C10,C14,C28, C31
R1, R22, R24, R28
C16, C17, C29
R30, R31, R34
DESIGNATOR
R2, R13, R25
C21,C22,C23
C9,C30,C33
C11, C12
C24, C25
R16, R17
R20, R21
C13,C18
C19,C20
Q3 - Q6
R9, R15
C6,C15
D1- D7
R3, R4
C1-C4
C26
C27
C32
R10
R11
R12
R23
R26
R27
R32
Q1
Q2
C5
C7
C8
D8
D9
R5
R6
R7
R8
T1
T2
L1
L2
QTY
4
1
2
1
1
3
4
2
2
3
2
3
1
1
1
7
1
1
1
1
1
1
4
4
2
1
1
1
1
2
1
1
1
5
2
2
1
1
1
3
1
1
1
T520D337M006AS4350
SLF10145T-5R6M3R2
C4532X7R2A225M
C4532X7R1E156M
C1206C104K5RAC
C4532X7S0G686M
C1206C333K5RAC
C2012X7R1H104K
C2012X7R1H473K
C0805C471J5GAC
C0805C101J5GAC
C0805C330J5GAC
C4532X7R3A103K
C3216X7R2E104K
C2012X7R2A103K
C2012X7R2A102K
CRCW120610R0F
CRCW120615R0F
CRCW120649R9F
CRCW12065R60F
CRCW12062000F
CRCW12061003F
CRCW12063831F
CRCW12061001F
CRCW12062212F
CRCW12063921F
CRCW12061652F
CRCW12061002F
CRCW12061000F
CRCW12062492F
CRCW12061502F
CRCW12064991F
CRCW12062002F
CRCW2512100J
PART NUMBER
ZVP2120GTA
CMPD2838
CMPD7000
CMR1U-02
SI7846DP
SI7866DP
B0358-C
B0357-B
P8208T
OPEN
OPEN
TABLE 1. Bill of Materials
7
CHOKE with AUX, COILCRAFT
CURRENT XFR, PULSE ENG
down except for the bottom silkscreen which is shown
viewed from the bottom. Scale is approximately X1.5. The
printed circuit board consists of 4 layers of 3 ounce copper
on FR4 material with a total thickness of 0.050 inches.
DIODE, SIGNAL, CENTRAL
DIODE, SIGNAL, CENTRAL
CAPACITOR, CER, KEMET
CAPACITOR, CER, KEMET
CAPACITOR, CER, KEMET
CAPACITOR, CER, KEMET
CAPACITOR, CER, KEMET
POWER XFR, COILCRAFT
CAPACITOR,TANT,KEMET
DIODE, 200V, CENTRAL
CAPACITOR, CER, TDK
CAPACITOR, CER, TDK
CAPACITOR, CER, TDK
CAPACITOR, CER, TDK
CAPACITOR, CER, TDK
CAPACITOR, CER, TDK
CAPACITOR, CER, TDK
CAPACITOR, CER, TDK
CAPACITOR, CER, TDK
INPUT CHOKE, TDK
N-FET, SILICONIX
FET, SILICONIX
DESCRIPTION
P-FET, ZETEX
NOT USED
RESISTOR
NOT USED
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
0.01µ, 1000V
1000p, 100V
0.01µ, 100V
0.047µ, 50V
0.033µ, 50V
5.6µH, 3.5A
2.2µ, 100V
0.1µ, 250V
330µ, 6.3V
150V, 50m
470p, 50V
100p, 50V
0.1µ, 50V
0.1µ, 50V
2µH, 33A
15µ, 25V
33p, 50V
200V, 20
10Ω, 1W
20V, 3m
68µ, 4V
VALUE
3.83kΩ
22.1kΩ
3.92kΩ
16.5kΩ
24.9kΩ
4.99kΩ
100:01
100kΩ
49.9Ω
12:02
200Ω
10kΩ
100Ω
15kΩ
20kΩ
5.6Ω
10Ω
15Ω
1kΩ
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