Altera Cyclone V GX FPGA Development Board - Manual (Page 54)

2–46 Chapter 2: Board Components
Power Supply
Cyclone V GX FPGA Development Board May 2013 Altera Corporation
Reference Manual
Power Distribution System
Figure 2–10 shows the power distribution system on the development board.
Regulator inefficiencies and sharing are reflected in the currents shown, which are
conservative absolute maximum levels.
Figure 2–10. Power Distribution System
LEGEND
Cyclone V Power
Board Main Power Rails
LTC3603
2.5 V Switcher
(2.5 A)
+/- 5%
LTC3855
3.3 V (5A) and
12 V (7A)
Dual Switcher
(5.0 A)
+/- 5%
LTC3605 Channel 2
2.5 V Switcher
(5.0 A)
+/- 5%
LTC3855 Channel 2
1.5 V Switcher
(6.0 A)
+/- 5%
LTC3855 Channel 1
1.1 V Switcher
(6.0 A)
+/- 30 mV
LTC3025-1
1.8 V LDO
(115 mA)
+/- 5%
LTC3025-1
1.0 V LDO
(304 mA)
+/- 5%
LTC3009
5.0 V LDO
(9.12 mA)
+/- 5%
LTC3009
5.37 V LDO
(20 mA)
+/- 5%
14 V - 20 V
DC INPUT
12 V
3 V
3.3 V
2.8 A
12 V
3.2 A
2.5 V
2.4 A
2.5 V
3.5 A
1.5 V
6.0 A
1.1 V
6.0 A
5.37 V
0.3 mA
5.0 V
9.12 mA
12 V 3.3 V
3.3 V
12 V
Filter
Ethernet PHY
SSRAM
Flash
MAX V VCCIO
MAX II VCCIO
MAX II VCCint
Oscillators
Flash
MAX V VCCint
Ethernet PHY
TPS5110DGQ
0.75 V LDO
(739 mA)
+/- 5%
DDR3 VTT
Filter
VCCAUX
VCCH_GXB
VCCA_FPLL
VCCIO
VCCPD
VCCPGM
VCCIO
DDR3 SDRAM x6
VCCL_GXB
VCC Core
VCCE_GXB Filter
Fan
LTC4352
x2
LTC4352
x2
HSMC
HSMC
MAX II VCCIO
USB-Blaster II
VCC
SDI Cable Driver/Equalizer
SPI Level Shifter
LCD
PCI Express x8
Gold Finger
Con Cell
SKT FPGA VCCBAT
Power Monitor