5

FN9178.3

July 25, 2005

Absolute Maximum Ratings

Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V

Supply Voltage, PVCC . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +15V

GND - 5V (<100ns Pulse Width, 2µJ) to PVCC+ 0.3V

Input, Output, or I/O Voltage . . . . . . . . . GND - 0.3V to VCC + 0.3V

ESD Classification . . . . . . . . . . . . . . . . . . . . . . . Class I JEDEC STD

Recommended Operating Conditions

VCC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V

±5%

PVCC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . +5V to 12V

±5%

Ambient Temperature (ISL6566CR, ISL6566CRZ) . . . . 0°C to 70°C

Ambient Temperature (ISL6566IR, ISL6566IRZ) . . . . .-40°C to 85°C

Thermal Information

Thermal Resistance

QFN Package (Notes 1, 2) . . . . . . . . . .

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.

Tech Brief TB379.

2. For

Electrical Specifications

Recommended Operating Conditions, Unless Otherwise Specified.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

BIAS SUPPLY AND INTERNAL OSCILLATOR

Input Bias Supply Current

-

15

20

mA

Gate Drive Bias Current

-

0.8

-

mA

VCC POR (Power-On Reset) Threshold

VCC Rising

4.25

4.38

4.50

V

VCC Falling

3.75

3.88

4.00

V

PVCC POR (Power-On Reset) Threshold

PVCC Rising

4.25

4.38

4.50

V

PVCC Falling

3.60

3.88

4.00

V

Oscillator Ramp Amplitude (Note 3)

-1.50

-

V

Maximum Duty Cycle (Note 3)

-

66.6

-

%

225

250

275

kHz

CONTROL THRESHOLDS

ENLL Rising Threshold

-0.66

-

V

ENLL Hysteresis

-

100

-

mV

COMP Shutdown Threshold

COMP Falling

0.2

0.3

0.4

V

REFERENCE AND DAC

System Accuracy (VID = 1.0V - 1.850V)

-0.5

-

0.5

%

System Accuracy (VID = 0.8V - 1.0V)

-0.8

-

0.8

%

DAC Input Low Voltage (VR9, VR10)

--

0.4

V

DAC Input High Voltage (VR9, VR10)

0.8

-

-

V

DAC Input Low Voltage (AMD)

--

0.6

V

DAC Input High Voltage (AMD)

1.0

-

-

V

OFS Sink Current Accuracy (Negative Offset)

47.5

50.0

52.5

µA

OFS Source Current Accuracy (Positive Offset)

47.5

50.0

52.5

µA

ISL6566

ISL6566