LTC2978 datasheet(9/64 Pages) LINER

Part #	LTC2978

Description	Octal PMBus Power Supply Monitor and Controller with EEPROM

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC2978

2978fa

ADC Rejection

vs Frequency at VIN

ADC Noise Histogram

Voltage Supervisor Total

Unadjusted Error vs Temperature

Input Sampling Current

vs Differential Input Voltage

Voltage Buffered IDAC Full-Scale

Output Voltage vs Temperature

ADC Rejection

vs Frequency at VIN (Zoom)

ADC Rejection vs Frequency

at VIN (Current Sense Mode)

ADC Rejection vs Frequency

at VIN (Current Sense Mode, Zoom)

READ_VOUT (µV)

–20

0

200

400

600

800

1000

1200

–10

0

10

20

2978 G11

VIN = 0V

HIGH RESOLUTION MODE

TEMPERATURE (°C)

–50

0

–0.05

–0.10

–0.15

–0.20

–0.25

–0.30

–0.35

–0.40

70

2978 G12

–20

10

40

100

55

–35

–5

25

85

VIN = 0.8V

HIGH RESOLUTION MODE

INPUT VOLTAGE (V)

0

1

3

4

5

4

9

2978 G13

2

1

5

3

6

7

8

TEMPERATURE (°C)

–50

2.698

2.696

2.694

2.692

2.690

2.688

2.686

2.684

2.682

2.680

2.678

70

2978 G15

–20

–35

10

–5

40 55

85

25

100

FREQUENCY (Hz)

–120

–80

–40

0

–100

–60

–20

12500

25000

37500 50000

2978 G07

62500

0

FREQUENCY (Hz)

0

–120

–100

–80

–60

–40

–20

0

3125

6250

9375

12500

2978 G08

FREQUENCY (Hz)

–120

–80

–40

0

–100

–60

–20

12500

25000

37500 50000

2978 G09

62500

0

FREQUENCY (Hz)

0

–120

–100

–80

–60

–40

–20

0

3125

6250

9375

12500

2978 G10

ADC High Resolution Mode

Differential Input Current

DIFFERENTIAL INPUT VOLTAGE (mV)

0

10

30

40

50

120 140 160

90

2978 G14

20

60

20

80

40

100

180

60

70

80

Typical perForMance characTerisTics

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LTC2978 Datasheet(PDF) 9 Page - Linear Technology

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