LTC2978A View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC2978A

8-Channel PMBus Power System Manager Featuring Accurate Output Voltage Measurement

Linear Technology 

Prev 11 12 13 14 15 16 17 18 19 20 Next

LTC2978A

Typical Performance Characteristics

DAC Load Regulation (Sourcing)

2.698

2.696

85°C

2.694

2.692

25°C

2.690

2.688

2.686

2.684

2.682

2.680

–40°C

2.678

0 –0.25 –0.5 –0.75 –1 –1.25–1.50 1.75 –2

CURRENT (mA)

2978a G19

DAC Transient Response to 1LSB

DAC Code Change

DAC Load Regulation (Sinking)

0.1038

0.1036

0.1034

0.1032

85°C

25°C

0.1030

0.1028

–40°C

0.1026

0 0.25 0.5 0.75 1 1.25 1.5 1.75 2

CURRENT (mA)

2978a G20

DAC Soft-Connect Transient

Response when Transitioning from

Hi-Z State to ON State

DAC Short-Circuit Current vs

Temperature

9.00

8.95

8.90

8.85

8.80

8.75

8.70

–50 –35 –20 –5 10 25 40 55 70 85 100

TEMPERATURE (°C)

2978a G21

DAC Soft-Connect Transient

Response when Transitioning from

ON State to Hi-Z State

500µV/DIV

CODE ‘h1FF

CODE ‘h200

HI-Z

10mV/DIV

HI-Z

10mV/DIV

CONNECTED

CONNECTED

2µs/DIV

2978a G22

500µs/DIV

100k SERIES RESISTANCE ON

CODE: ‘h1FF

2978a G23

500µs/DIV

100k SERIES RESISTANCE ON

CODE: ‘h1FF

2978a G24

2978af

12

For more information www.linear.com/LTC2978A

Share Link: