Altera Transceiver Signal Integrity Development Kit, Stra Manual de usuario descargar pdf (Pagina 48)

2–40 Chapter 2: Board Components

Power Supply

Transceiver Signal Integrity Development Kit May 2014 Altera Corporation

Stratix V GT Edition Reference Manual

Table 2–42 lists the power monitor devices component reference and manufacturing

information.

Power Distribution System

Figure 2–10 shows the power distribution system on the development board. The

VCCR_GTB

VCCT_GTB

, and

VCCL_GTB

power rails are separated on the 28G transceivers

but are combined on the 12.5G transceivers.

Table 2–42. Power Measurement ADC Component References and Manufacturing Information

Board Reference Description Manufacturer

Manufacturing

Part Number

Manufacturer

Website

U10, U11

IC, power supply monitor

w/EPROM, octal PMBUS

Linear Technology LTC2978CUP#PBF www.linear.com

Figure 2–10. Power Distribution System

LEGEND

Stratix V GT FPGA Power

Other Power

Bead

1.5 V

0.85 V / 1.0 V

14 V - 20 V

DC Input

LTC3855

Switching

Regulator

0.85 V

VCC

VCCHIP

VCCHSSI

5 V

LTC3855

Switching

Regulator

2.5 V

3.3 V

3.3 V Devices

LTM4615

Dual Switcher

(4 A)

1 LDO (1.5 A)

LTM4608

Switcher

(8 A)

VCCIO

VCCPD

VCCPGM

VCCBAT

2.5 V Devices

2.5 V / 3.0 V

VCCA_GXB

LCD, Fan

VCCA_PLL

VCCAUX

SFP+

VCCH_GXB

VCCD_PLL

VCCPT

1.8 V

LTC3026

LDO (1.5 A)

LTC3026

LDO (1.5 A)

LTC3026

LDO (1.5 A)

LTC3026

LDO (1.5 A)

LTC3026

LDO (1.5 A)

XFP

VCCRT_GXB

VCCR_GTB

VCCT_GXB

VCCL_GTB

Ethernet

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Altera Transceiver Signal Integrity Development Kit, Stra Manual de usuario Pagina 48

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