ISL6326 datasheet(6/30 Pages) INTERSIL

Part #	ISL6326

Description	4-Phase PWM Controller with 8-Bit DAC Code Capable of Precision rDS ON or DCR Differential Current Sensing

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Manufacturer	INTERSIL [Intersil Corporation]

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6 / 30 page

6

FN9262.0

April 21, 2006

Absolute Maximum Ratings

Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+6V

All Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . GND -0.3V to VCC + 0.3V

ESD (Human body model) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>2kV

ESD (Machine model) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>200V

ESD (Charged device model) . . . . . . . . . . . . . . . . . . . . . . . . >1.5kV

Operating Conditions

Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±5%

Ambient Temperature (ISL6326CRZ) . . . . . . . . . . . . . . 0°C to 70°C

Ambient Temperature (ISL6326IRZ) . . . . . . . . . . . . . .-40°C to 85°C

Thermal Information

Thermal Resistance (Notes 1, 2)

θJA (°C/W) θJC (°C/W)

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

32

3.5

Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150°C

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

Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300°C

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

Operating Conditions: VCC = 5V, Unless Otherwise Specified

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

VCC SUPPLY CURRENT

Nominal Supply

VCC = 5VDC; EN_PWR = 5VDC; RT = 100kΩ,

ISEN1 = ISEN2 = ISEN3 = ISEN4 = -70

μA

-18

26

mA

Shutdown Supply

VCC = 5VDC; EN_PWR = 0VDC; RT = 100kΩ

-14

21

mA

POWER-ON RESET AND ENABLE

POR Threshold

VCC Rising

4.3

4.5

4.7

V

VCC Falling

3.7

3.9

4.2

V

EN_PWR Threshold

Rising

0.850

0.875

0.910

V

Hysteresis

-

130

-

mV

Falling

0.720

0.745

0.775

V

EN_VTT Threshold

Rising

0.850

0.875

0.910

V

Hysteresis

-

130

-

mV

Falling

0.720

0.745

0.775

V

REFERENCE VOLTAGE AND DAC

System Accuracy of ISL6326CRZ

(VID = 1V-1.6V, TJ = 0°C to 70°C)

(Note 3)

-0.5

-

0.5

%VID

System Accuracy of ISL6326CRZ

(VID = 0.5V-1V, TJ = 0°C to 70°C)

(Note 3)

-0.9

-

0.9

%VID

System Accuracy of ISL6326IRZ

(VID = 1V-1.6V, TJ = -40°C to 85°C)

(Note 3)

-0.6

-

0.6

%VID

System Accuracy of ISL6326IRZ

(VID = 0.5V-1V,TJ = -40°C to 85°C)

(Note 3)

-1

-

1

%VID

VID Pull Up

-60

-40

-20

μA

VID Input Low Level

--

0.4

V

VID Input High Level

0.8

-

V

VRSEL Input Low Level

--

0.4

V

VRSEL Input High Level

0.8

-

V

DAC Source Current

-4

7

mA

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