Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

VIN to GND (Note 5)

-0.3V to 100V

SENSE, OUT, PGD to GND

-0.3V to 100V

GATE to GND (Note 5)

-0.3V to 100V

UVLO to GND

-0.3V to 100V

OVLO to GND

-0.3V to 7V

VIN to SENSE

-0.3V to +0.3V

ESD Rating (Note 2)

Human Body Model

2kV

Storage Temperature

-65˚C to +150˚C

Junction Temperature

+150˚C

Operating Ratings

VIN Supply Voltage

+9.0V to 80V

PGD Off Voltage

0V to 80V

Junction Temp. Range

−40˚C to +125˚C

the junction temperature (T

statistical correlation. Typical values represent the most likely parametric norm at T

purposes only. Unless otherwise stated the following conditions apply: VIN = 48V.

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Units

Input (VIN pin)

I

IN-EN

Input Current, enabled

1.3

1.6

mA

I

IN-DIS

Input Current, disabled

480

650

µA

POR

IT

Power On Reset threshold at VIN to

trigger insertion timer

VIN Increasing

7.6

8.0

V

POR

EN

Power On Reset threshold at VIN to

enable all functions

VIN increasing

8.8

9.0

V

POR

EN-HYS

POR

VIN decreasing

90

mV

OUT pin

I

OUT-EN

OUT bias current, enabled

OUT = VIN, Normal operation

11

µA

I

OUT-DIS

OUT bias current, disabled (Note 3)

Disabled, OUT = 0V, SENSE = VIN

50

UVLO, OVLO pins

UVLO

TH

UVLO threshold

2.45

2.5

2.55

V

UVLO

HYS

UVLO hysteresis current

UVLO = 1V

12

21

30

µA

UVLO

DEL

UVLO delay

Delay to GATE high

55

µs

Delay to GATE low

11

UVLO

BIAS

UVLO bias current

UVLO = 48V

1

µA

OVLO

TH

OVLO threshold

2.40

2.5

2.60

V

OVLO

HYS

OVLO hysteresis current

OVLO = 2.6V

12

21

30

µA

OVLO

DEL

OVLO delay

Delay to GATE high

55

µs

Delay to GATE low

11

OVLO

BIAS

OVLO bias current

OVLO = 2.4V

1

µA

Power Limit (PWR pin)

PWR

LIM-1

Power limit sense voltage (VIN-SENSE)

SENSE-OUT = 48V, R

k

Ω

19

25

31

mV

PWR

LIM-2

SENSE-OUT = 24V, R

Ω

25

mV

I

PWR

PWR pin current

V

20

µA

Gate Control (GATE pin)

I

GATE

Source current

Normal Operation, GATE-OUT =

5V

10

16

22

µA

Sink current

1.75

2

2.6

mA

POR

45

110

175

mA

V

GATE

Gate output voltage in normal operation

GATE-OUT voltage

11.4

12

12.6

V

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