LTM4677 datasheet(12/110 Pages) AD

No de pièce	LTM4677

Description	Dual Loop 8-Phase Step-Down DC/DC Controller with Digital Power System Management

PDF	110 Pages

Scroll/Zoom	100%

Fabricant	AD [Analog Devices]

Site Internet	http://www.analog.com

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12 / 110 page

LTC3888-1

Rev. 0

For more information www.analog.com

TYPICAL PERFORMANCE CHARACTERISTICS

Output Overvoltage Threshold

Error vs Temperature

VIN ADC TUE

VOUT ADC TUE

IOUT ADC TUE

Temperature ADC TUE (Not

including DRMOS Error)

Programmable RITH

4-Phase Line Step Transient

(Using TDA21470)

Shape due to PMBus L11 format

VIN (V)

–100.0

–75.0

–50.0

–25.0

25.0

50.0

75.0

100.0

VIN ADC TUE

3888-1 G20

VOUT_OV_FAULT_LIMIT = 1.1V

TEMPERATURE (°C)

–40 –20

80 100 120

–2

–1

Error vs Temperature

Output Overvoltage Threshold

3888-1 G19

Shape due to PMBus L11 format

ACTUAL TEMPERATURE (°C)

–40 –20

80 100 120

–1.5

–1.0

–0.5

0.5

1.0

1.5

(Not including DRMOS ERROR)

Temperature ADC TUE

3888-1 G23

CODE

Programmable RITH

3888-1 G24

200s/DIV

VIN

2V/DIV

VOUT

10mV/DIV

3888-1 G25

7V Initially

VOUT (V)

0.3

0.24

0.18

0.12

0.06

–0.06

–0.12

–0.18

–0.24

2.7

3888-1 G21

0.9

1.5

2.1

3.3

2.4

0.6

1.2

1.8

3.0

OUTPUT CURRENT (A)

3888-1 G22

–5

–10

–20

12.5

37.5

–15

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