2

AT9933

Ordering Information

DEVICE

Package Option

8-Lead SOIC

AT9933

AT9933LG-G

-G indicates package is RoHS compliant (‘Green’)

Absolute Maximum Ratings

Parameter

Value

V

-0.5V to +100V

CS1, CS2

-0.3V to (V

PWMD to GND

-0.3V to (V

GATE to GND

-0.3V to (V

V

DDMAX

12V

Continuous Power Dissipation (TA = +25°C)

8-Pin SOIC

700mW

Junction to ambient thermal impedance

(typical); using standard footprint

Junction temperature

+150°C

Storage temperature range

-65°C to +150°C

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage

to the device. These are stress ratings only, and functional operation of the device at these or any

other conditions beyond those indicated in the operational sections of the specifications is not implied.

Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

Pin Configuration

VIN

CS1

GATE

REF

GND

VDD

PWMD

CS2

8-Lead SOIC

(top view)

1

2

3

4

8

7

6

5

Symbol

Parameter

Min

Typ

Max

Units

Conditions

Input

V

INDC

*

(2)

-

100

V

DC input voltage

I

INSD

--

0.5

1.0

mA

PWMD connected to GND,

V

Internal Regulator

V

DD

Internally regulated voltage

*

7.0

7.5

9.0

V

V

500pF capacitor at GATE,

PWMD = GND

UVLO

V

threshold

*

6.45

6.70

6.95

V

V

IN

rising

∆UVLO

V

hysteresis

-

-

500

-

mV

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Electrical Characteristics

(The * denotes the specifications which apply over the full operating ambient temperature range of -40°C < T

at T