Analog Devices Linear ADI Power DC3054A-C, Демонстрационное руководство

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DEMO MANUAL
DC3054A-C
Rev. 0
CIRCUIT SCHEMATIC
BOARD PHOTO
1µF
0201
dc3054ac CS01a
EN
SW
SW
V
IN
V
IN
PGND
47.5k 10pF
4.7µF 4.7µF
110nH
18.2k
10nF
10µF
×2
V
OUT
1.8V
6A
V
IN
= 2.5V TO 5.5V
V
IN
FB
AGND
PGOOD
LTC3309B
1µF
0201
MODE/SYNC
RT
f
OSC
= 6.6MHz
High Efficiency, 6.6MHz, 1.8V 6A Step-Down Converter
LTC3309B 3.3V to 1.8V Efficiency and
Power Loss DC3054A-C in Burst Mode
TFM201208BLD-R11MTCA
EFFICIENCY
POWER LOSS
V
IN
= 3.3V
V
OUT
= 1.8V
f
SW
= 6.6MHz
I
OUT
(A)
0.001 0.01 0.1 1 6
0
10
20
30
40
50
60
70
80
90
100
0.0001
0.001
0.01
0.1
10
1
EFFICIENCY (%)
POWER LOSS (W)
dc3054ac CS01b