ISL6269BIRZ datasheet(4/14 Pages) INTERSIL

Part #	ISL6269BIRZ

Description	High-Performance Notebook PWM Controller with Audio-Frequency Clamp

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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4

FN6280.1

August 7, 2006

Absolute Voltage Ratings

ISEN, 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

VO, FB, COMP, FSET . . . . . . . . . . . . . . . -0.3V to GND, VCC +0.3V

PHASE 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 PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7V

UG (DC) . . . . . . . . . . . . . . . . . . . . . . .-0.3V to PHASE, BOOT +0.3V

(<200ns Pulse Width, 20

µJ) . . . . . . . . . . . . . . . . . . . . . . . . -4.0V

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

(<100ns Pulse Width, 4

µJ) . . . . . . . . . . . . . . . . . . . . . . . . . . -2.0V

Thermal Information

Thermal Resistance (Typical, Notes 1, 2)

θJA (°C/W) θJC (°C/W)

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

48

11.5

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

°C to +150°C

Operating Temperature Range . . . . . . . . . . . . . . . . -10

°C to +100°C

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

°C to +150°C

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

°C

Recommended Operating Conditions

Ambient Temperature Range. . . . . . . . . . . . . . . . . . . -10°C to 100°C

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

VCC to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5V ±5%

PVCC to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5V ±5%

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.

θJA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See

Tech Brief TB379.

2. For

θJC, the “case temp” location is the center of the exposed metal pad on the package underside.

Electrical Specifications

These specifications apply for TA = -10°C to +100°C, unless otherwise stated.

All typical specifications TA = +25°C, VCC = 5V, PVCC = 5V

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIN

VIN Input Bias Current

IVIN

EN = 5V, VIN = 7V

-

6.5

10

µA

EN = 5V, VIN = 25V

-

26

35

µA

VIN Shutdown Current

IVIN_SHDN EN = GND, VIN = 25V

-

0.1

1.0

µA

VCC and PVCC

VCC Input Bias Current

IVCC

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

-

1.7

2.5

mA

VCC Shutdown Current

IVCC_SHDN EN = GND, VCC = 5V

-

0.1

1.0

µA

PVCC Shutdown Current

IPVCC_SHDN EN = GND, PVCC = 5V

-

0.1

1.0

µA

VCC POR THRESHOLD

Rising VCC POR Threshold Voltage

VVCC_THR

4.35

4.45

4.55

V

Falling VCC POR Threshold Voltage

V

VCC_THF

4.10

4.20

4.30

V

REGULATION

Reference Voltage

VREF

-

0.6

-

V

Regulation Accuracy

FB connected to COMP

-1

-

+1

%

PWM

Frequency Range

FSW

FCCM = 5V

200

-

600

kHz

FAUDIO

FCCM = GND

19

28

-

kHz

Frequency-Set Accuracy

FSW = 300kHz

-12

-

+12

%

VO Range

VVO

0.60

-

3.30

V

VO Input Leakage

IVO

VO = 0.60V

-

1.3

-

µA

VO = 3.30V

-

7.0

-

µA

ERROR AMPLIFIER

FB Input Bias Current

IFB

FB = 0.60V

-0.5

-

+0.5

µA

COMP Source Current

ICOMP_SRC FB = 0.40V, COMP = 3.20V

-

2.5

-

mA

COMP Sink Current

ICOMP_SNK FB = 0.80V, COMP = 0.30V

-

0.3

-

mA

COMP High Clamp Voltage

VCOMP_HC FB = 0.40V, Sink 50µA

3.10

3.40

3.65

V

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