ADP1972ARUZ-R7 datasheet(7/18 Pages) AD

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Data Sheet

ADP1972

TYPICAL PERFORMANCE CHARACTERISTICS

VVIN = VEN = VFAULT = 24 V, VMODE = VCL = VSS = VCOMP = 0 V, TA = 25°C, unless otherwise noted.

5.8

5.7

5.6

5.5

5.4

5.3

5.2

–40

–5

100

TEMPERATURE (°C)

RISING

FALLING

Figure 3. Input Voltage UVLO Threshold vs. Temperature,

VFAULT = 0 V

INPUT VOLTAGE (V)

TA = –40°C

TA = +25°C

TA = +125°C

Figure 4. Shutdown Current vs. Input Voltage, VEN = 0 V and VFAULT = 0 V

1.9

1.3

1.4

1.5

1.6

1.7

1.8

INPUT VOLTAGE (V)

TA = –40°C

TA = +25°C

TA = +85°C

TA = +125°C

Figure 5. Nonswitching Quiescent Current vs. Input Voltage (SYNC = Floating)

0.45

0.15

0.20

0.25

0.30

0.35

0.40

EN PIN VOLTAGE (V)

TA = –40°C

TA = +25°C

TA = +125°C

Figure 6. EN Pin Current vs. EN Pin Voltage, VEN = 5 V and VFAULT = 0 V

1.25

1.20

1.21

1.22

1.23

1.24

–40

–5

100

TEMPERATURE (°C)

RISING

FALLING

Figure 7. EN Pin Threshold vs. Temperature, VFAULT = 0 V

5.00

4.88

4.90

4.92

4.94

4.96

4.98

–40

120

TEMPERATURE (°C)

VIN = 6V

VIN = 24V

VIN = 60V

Figure 8. SS Pin Current vs. Temperature

Rev. B | Page 7 of 18

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