Altera Cyclone V GT FPGA Development Board - Manual (Page 58)

2–50 Chapter 2: Board Components
Power Supply
Cyclone V GT FPGA Development Board September 2014 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
C5_VCC
C5GT VCC
1.1 V, 10.029 A LTC3613 (15 A)
Switching Regulator (+/- 2%)
1.082 A
C5_VCCL_GXBL
C5GT VCCL_GXBL
C5_VCCE_GXBL
C5GT VCCE_GXBL
BEAD
LTC3605 (5 A)
Switching Regulator (+/- 2%)
0.361 A
C5_VCCIO_2.5V
C5GT VCCIO (2.5 V),
VCCPD, VCCPGM
C5_2.5V
C5GT VCC_AUX, VCCA_FPLL,
VCCH_GXBL, VCCBAT BEAD
LTC3608 (8 A)
Switching/Linear
Regulator (+/- 2%)
1.563 A
2.5 V, 2.917 A
2.5 V,
2.962 A
12V
HSMC, FMC, Fan/Heatsink
5.37V_MONITOR
12 V, 2.095 A
5.37 V, 0.11 A
Ideal Diode
Multiplexer
LTC3855
Dual-Channel
Controller
DC Input
19 V
12 V,
6.926 A
1.1 V, 10.029 A
R
SENSE
R
SENSE 1.2 V, 3.067 A
2.5 V, 7.199 A
2.5V
EMP2210 VCCIO1/2, ENET
VDD, Oscillators, Clock Buffers
2.5 V,
1.065 A
1.8V
EPM2210 VCCINT and
VCCIO3/4, Flash VDD/VDDQ,
EMP540 VCCINT, Oscillator
50 MHz
1.8 V,
0.256 A LTC3022 (1 A)
Linear Regulator (+/- 2%)
0.256 A C5_VCCIO_1.8V
C5GT VCCIO (1.8 V)
1.8 V,
0.249 A
1.8 V,
0.007 A
R
SENSE
U24
U25
U21
U18
1.5V_DDR3
DDR3 VDD/VDDQ, TPS51200
TPS51200
0.75 V, 0.50 A
VTT_DDR3A
VTT_DDR3B TPS51200
DDR3_VREFB
0.75 V, 0.50 A
DDR3_VREFA
3.3 V
3.3 V
C5_VCCIO_1.5V
C5GT VCCIO (1.5 V)
LTC3605 (5 A)
Switching Regulator (+/- 2%)
0.754 A
R
SENSE 1.5 V,
5.6076 A
U1
1.5 V,
3.0396 A
U53
U43
5.0V
LCD
LT3085
0.5 A LDO
0.033 A 5.0 V,
0.033 A
U10
FMC_VADJ
FMC VADJ
2.5 V,
3.786 A LTC3605 (5 A)
Switching Regulator (+/- 2%)
0.928 A
C5_VCCIO_VAR
C5GT VCCIO (1.2 V, 1.5 V,
1.8 V, 2.5 V, 3.3 V)
2.5 V,
2.001 A
2.5 V,
1.785 A
R
SENSE
U2
LT3009
20 mA LDO
U42
3.3V
HSMC, FMC, EPCQ, SDI
EPM570 VCCIO
1.5V
EPM540 VCCIO2
DVDD_1.0V
ENET DVDD
3.3 V, 6.301 A
1.5 V, 0.037 A
1.0 V, 0.253 A
LT3025-1
0.5 A LDO
U39
LT3022
1 A LDO
U7
12.0 V,
0.11 A
3.3 V,
0.290 A
Ideal Diode
Multiplexer
3.3 V,
6.591 A
3.3 V PCIe Motherboard
3.0 A Maximum
12 V PCIe Motherboard
5.5 A Maximum
U40
1.5 V, 1.5680 A