5

FN9237.1

July 11, 2007

Absolute Maximum Ratings

Thermal Information

GATE . . . . . . . . . . . . . . . . . GND -0.3V to Gate Output Limit Voltage

PGND to LGND

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.3V

VREF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 5.3V

Signal Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to VREF

Peak GATE Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1A

Operating Conditions

Temperature Range

ISL6722AAxZ . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +105°C

ISL6723AAxZ . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +105°C

Supply Voltage Range (Typical). . . . . . . . . . . . . . . 9VDC to 18VDC

Thermal Resistance (Typical)

16 Lead QFN (Note 1, 2) . . . . . . . . . . .

52

4

16 Lead SOIC (Note 1) . . . . . . . . . . . .

80

N/A

16 Lead TSSOP (Note 1) . . . . . . . . . . .

105

N/A

Maximum Junction Temperature . . . . . . . . . . . . . . . -55°C to +150°C

Maximum Storage Temperature Range . . . . . . . . . . -65°C to +150°C

Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below

http://www.intersil.com/pbfree/Pb-FreeReflow.asp

CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and

result in failures not covered by warranty.

NOTES:

1.

Tech Brief TB379.

2. For

θ

3. All voltages are with respect to GND.

Electrical Specifications

Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

UNDERVOLTAGE LOCKOUT

START Threshold (ISL6722A)

SLEEP = 0V

7.95

8.25

8.55

V

START Threshold (ISL6723A)

12.4

13.0

13.4

V

STOP Threshold

7.40

7.70

8.20

V

Hysteresis (ISL6722A)

0.50

0.55

1.00

V

Hysteresis (ISL6723A)

4.00

5.00

6.00

V

VCC < START Threshold

-

100

175

μA

-

200

300

μA

-

4.5

10.0

mA

Includes 1nF GATE loading

-

8.0

12.0

mA

REFERENCE VOLTAGE

Overall Accuracy

4.95

4.90

5.00

5.00

5.05

5.05

V

Long Term Stability

-

5

-

mV

Fault Voltage

4.50

4.65

4.75

V

VREF Good Voltage

4.65

4.80

4.95

V

Hysteresis

75

165

250

mV

Operational Current

-10

-

-

mA

Current Limit

-20

-

-

mA

CURRENT SENSE

Input Impedance

-5-

k

Ω

Offset Voltage

0.08

0.10

0.11

V

Input Voltage Range

0-

1.5

V

ISL6722A, ISL6723A