4

FN9283.1

November 10, 2006

Absolute Voltage Ratings

BSOC, VIN to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +28V

VCC, PGOOD to GND . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7.0V

PVCC to PGND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7.0V

GND to PGND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +0.3V

EN, FCCM. . . . . . . . . . . . . . . . . . . . . . . . -0.3V to GND, VCC +3.3V

LX to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (DC) -0.3V to +28V

. . . . . . . . . . . . . . . . . . . . . . . . . . (<100ns Pulse Width, 10

μJ) -5.0V

BOOT to GND, or PGND . . . . . . . . . . . . . . . . . . . . . . -0.3V to +33V

BOOT to LX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7V

TGATE . . . . . . . . . . . . . . . . . . . . . . .(DC) -0.3V to LX, BOOT +0.3V

. . . . . . . . . . . . . . . . . . . . . . . . . . (<200ns Pulse Width, 20

μJ) -4.0V

BGATE . . . . . . . . . . . . . . . . . . . . (DC) -0.3V to PGND, PVCC +0.3V

. . . . . . . . . . . . . . . . . . . . . . . . . . . (<100ns Pulse Width, 4

μJ) -2.0V

ESD Classification . . . . . . . . . . . . . . . . . . . . . .Level 1 (HBM = 2kV)

Thermal Information

Thermal Resistance (Typical, Notes 1, 2)

QFN Package . . . . . . . . . . . . . . . . . . .

48

11.5

Junction Temperature Range . . . . . . . . . . . . . . . . . -55

°C to +150°C

Operating Temperature Range

ISL8106CRZ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

°C to +70°C

ISL8106IRZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40

°C to +85°C

Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . -65

°C to +150°C

Lead Temperature . . . . . . . . . . . . . . . . . . . . (soldering, 10s)+300

°C

Recommended Operating Conditions

Ambient Temperature Range (ISL8106C) . . . . . . . . . . 0°C to +70°C

Ambient Temperature Range (ISL8106I) . . . . . . . . . -40°C to +85°C

Supply Voltage (VIN to GND) . . . . . . . . . . . . . . . . . . . . . . 7V to 25V

CAUTION: Stress above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device

at these or any other conditions above those indicated in the operational section of this specification is not implied.

NOTES:

1.

Brief TB379.

2. For

3. Parameters are Guaranteed by Design.

Electrical Specifications

Recommended Operating Conditions, unless otherwise noted specifications in bold are valid for process,

temperature, and line operating conditions.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIN

VIN Voltage Range

7.0

25.0

V

VIN Input Bias Current

EN and FCCM = 5V, FB = 0.65V, VIN = 7V to 25V

2.2

3.0

mA

VIN Shutdown Current

EN = GND, VIN = 25V

0.1

1.0

μA

VCC LDO

VCC Output Voltage Range

4.75

5.00

5.25

V

VCC POR THRESHOLD

Rising VCC POR Threshold Voltage

ISL8106CRZ

4.35

4.45

4.55

V

ISL8106IRZ

4.33

4.45

4.55

V

Falling VCC POR Threshold Voltage

V

CCTHF

ISL8106CRZ

4.10

4.20

4.30

V

ISL8106IRZ

4.08

4.20

4.30

V

CONTROL INPUTS

EN High Threshold Voltage

2.0

V

EN Low Threshold Voltage

0.5

V

FCCM High Threshold Voltage

2.0

V

FCCM Low Threshold Voltage

1.0

V

EN Leakage Current

EN = 0V

<0.1

1.0

μA

EN = 5.0V

20

μA

FCCM Leakage Current

FCCM = 0V

<0.1

1.0

μA

FCCM = 5.0V

2.0

μA

REFERENCE

Reference Voltage

0.6

V

Voltage Regulation Accuracy

ISL8106CRZ

-0.6

+0.6

%

ISL8106IRZ

-1.0

+1.0

%

ISL8106