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R
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P
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3
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5
5
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U
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B
3
3
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© 2012 Exar Corporation
7/8
Rev. 1.0.0
BILL OF MATERIAL
Ref.
Qty Manufacturer
Part Number
Size
Component
EVAL BD
1
Exar Corp.
146-6693-01
XRP2523 Evaluation Board
U1
1
Exar Corp.
XRP2523
5-pin SOT-23
XRP2523
U2
Not populated
CIN1, CLB1, CLB2
Not populated
CIN2
1
Murata Corp.
GRM188R71E105KA12D
0603
Ceramic 1uF, 25V, X7R
CLA1
1
Murata Corp.
GRM31CR61C226KE15L
1206
Ceramic 22uF, 16V, X5R
CLA2
1
Murata Corp.
GRM188R71H104KA93D
0603
Ceramic 0.1uF, 50V, X7R
R1
1 Panasonic Corp.
ERJ-3EKF1002V
0603
Resistor 10KΩ, 1/10W, 1%
R2, R3, R4
Not populated
Test Point, VIN, GND, PGND,
VOUTA, VOUTB, ENA, ENB,
FLGA, FLGB, VLA, VLB
12
VECTOR
K24C/M
0.042”
diameter
Test Point Post
EVALUATION BOARD LAYOUT
Fig. 19: Component Placement – Top Side
Fig. 20: Top Side Layout
Fig. 21: Bottom Side Layout