LTC2972 datasheet(14/112 Pages) LINER

14 / 112 page

LTC2972

2972fa

For more information www.linear.com/LTC2972

TYPICAL PERFORMANCE CHARACTERISTICS

TUE_IIN vs VIN_SNS

TUE_PIN vs VIN_SNS

TUE_ETB vs VIN_SNS

TUE_EIN vs VIN_SNS

READ_IIN Common Mode Gain

vs Frequency

VOUT_EN[0:1] and AUXFAULTB Output

High Voltage vs Load Current

READ_TEMPERATURE_2 Error

vs Temperature

TUE_VIN vs VIN_SNS

VPWR = 5.0V

TEMPERATURE (°C)

–50

–25

100

–0.25

0.25

0.50

0.75

1.00

1.25

1.50

1.75

2.00

2.25

2972 G19

16 PARTS SOLDERED DOWN

25°C

105°C

–40°C

VIN_SNS (V)

4.5

7.5

10.5

13.5

–0.5

–0.4

–0.3

–0.2

–0.1

0.0

0.1

0.2

0.3

0.4

0.5

2972 G20

MFR_EIN_CONFIG_IIN_RANGE = MEDIUM

VIIN_SNS = 50mV

25°C

–40°C

105°C

VIN_SNS (V)

4.5

7.5

10.5

13.5

–0.6

–0.4

–0.2

0.0

0.2

0.4

0.6

2972 G21

–40°C

25°C

105°C

VIN_SNS (V)

4.5

7.5

10.5

13.5

–1.00

–0.75

–0.50

–0.25

0.25

0.50

0.75

1.00

2972 G22

MFR_EIN_CONFIG_IIN_RANGE = MEDIUM

VIIN_SNS = 50mV

25°C

–40°C

105°C

VIN_SNS (V)

4.5

7.5

10.5

13.5

–1.00

–0.75

–0.50

–0.25

0.25

0.50

0.75

1.00

2972 G23

MFR_EIN_CONFIG_IIN_RANGE = MEDIUM

VIIN_SNS = 50mV

25°C

–40°C

105°C

VIN_SNS (V)

4.5

7.5

10.5

13.5

–2.0

–1.5

–1.0

–0.5

0.5

1.0

1.5

2.0

2972 G24

MFR_EIN_CONFIG_IIN_RANGE = MEDIUM

VIIN_SNS = 50mV

FREQUENCY (kHz)

62.5

–70

–10

–80

–90

–100

–40

–50

–20

–30

–60

2972 G25

625

6250

105°C

25°C

–40°C

MFR_EIN_CONFIG_IIN_RANGE = MEDIUM

VIIN_SNS = 50mV

VVIN_SNS = 12V ±100mV

CURRENT SOURCING (µA)

2972 G26

–40°C

105°C

25°C

CURRENT SOURCING (µA)

1.4

1.0

1.2

0.8

0.6

0.4

0.2

2972 G27

–40°C

105°C

25°C

VOUT_EN[0:1] and AUXFAULTB

VOL vs Load Current

LTC2972 Datasheet(PDF) 14 Page - Linear Technology

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