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Power distribution system, Power distribution system –49 – Altera Arria V GX Starter Board User Manual

Page 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 Core

Filter

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