Altera Arria V GX Starter Board Manual de usuario Pagina 57

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Chapter 2: Board Components 2–49
Power Supply
November 2013 Altera Corporation Arria V GX Starter Board
Reference Manual
Power Distribution System
Figure 2–12 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.
1 If the sourcing current is higher than the rated current of the switching regulator, refer
to www.linear.com for technical support.
Figure 2–12. Power Distribution System
LEGEND
Arria V Power
Board Main Power Rails
LTC3605
2.5 V Switcher
(5.0 A)
+/- 5%
LTC3855
3.3 V (5A) and
12 V (7A)
Dual Switcher
(5.0 A)
+/- 5%
LTC3880 Channel 2
2.5 V Switcher
(7.0 A)
+/- 5%
LTC3633 Channel 2
1.5 V Switcher
(3.0 A)
+/- 5%
LTC3633 Channel 1
1.15 V Low Noise
Switcher (2.0 A)
+/- 30 mV
LTC3880 Channel 1
1.1 V Low Noise
Switcher (14.0 A)
+/- 30 mV
LTC3025-1
1.8 V LDO
(500 mA)
+/- 5%
LTC3025-1
1.5 V LDO
(500 mA)
+/- 5%
LTC3025-1
1.0 V LDO
(500 mA)
+/- 5%
LTC3009
5.0 V LDO
(20 mA)
+/- 5%
LTC3009
5.37 V LDO
(20 mA)
+/- 5%
TPS51100DGQ
0.75 V LDO
(3.0 A)
+/- 5%
14 V - 20 V
DC INPUT
12 V
3.3 V
2.9 A
12 V
5.6 A
2.5 V
2.4 A
1.8 V
201 mA
1.0 V
250 mA
2.5 V
5.2 A
1.5 V
1.5 A
1.5 V
283 mA
1.1 V
11.6 A
1.15 V
1.3 A
5.37 V
0.3 mA
5.0 V
8.8 mA
12 V
3.3 V
3.3 V
12 V
Filter
Ethernet PHY
SSRAM
Flash
MAX V VCCIO
MAX II VCCIO
Oscillators
Clock Generators and Buffers
Flash
MAX V VCCint
MAX II VCCint
Ethernet PHY
Filter
VCCH_GXB
VCCD_FPLL
VCCBAT
0.75 V
308 mA
SDRAM
Address or
Command Lines
Termination
VCCAUX
VCCA_GXB
VCCA_FPLL
VCCIO
VCCPD
VCCPGM
VCCIO
SDRAM x2
VCCT_GXB
VCCL_GXB
VCCR_GXB
VCC Core
VCCP CoreFilter
Fan
LTC4352
x2
LTC4352
x2
HSMC
HSMC
MAX II VCCIO
USB-Blaster II PHY VCC
SDI Cable Driver/Equalizer
HDMI Level Shifter
PCI Express JTAG Level Shifter
HDMI DCC Level Shifter
SPI Level Shifter
DDR3 VTT LDO
LCD
PCI Express x8
Gold Finger
Power Monitor
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