ISL6324AIRZ datasheet(6/39 Pages) INTERSIL

Part #	ISL6324AIRZ

Description	Monolithic Dual PWM Hybrid Controller Powering AMD SVI Split-Plane and PVI Uniplane Processors

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Manufacturer	INTERSIL [Intersil Corporation]

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6 / 39 page

6

FN6880.0

March 23, 2009

Absolute Maximum Ratings

Thermal Information

Supply Voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.2V

Supply Voltage (PVCC) . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +15V

Absolute Boot Voltage (VBOOT). . . . . . . . GND - 0.3V to GND + 36V

Phase Voltage (VPHASE) . . . . . . . . GND - 0.3V to 15V (PVCC = 12)

GND - 8V (<400ns, 20µJ) to 24V (<200ns, VBOOT-PHASE = 12V)

Upper Gate Voltage (VUGATE). . . . VPHASE - 0.3V to VBOOT + 0.3V

VPHASE - 3.5V (<100ns Pulse Width, 2µJ) to VBOOT + 0.3V

Lower Gate Voltage (VLGATE) . . . . . . . GND - 0.3V to PVCC + 0.3V

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

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

Thermal Resistance

θ

JA (°C/W)

θ

JC (°C/W)

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

30

2

Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . +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

Recommended Operating Conditions

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

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

Ambient Temperature

ISL6324ACRZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C

ISL6324AIRZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C

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.

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.

3. Limits should be considered typical and are not production tested.

Electrical Specifications

Recommended Operating Conditions (0°C to +70°C), Unless Otherwise Specified. Parameters with MIN and/or

MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by

characterization and are not production tested.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

BIAS SUPPLIES

Input Bias Supply Current

IVCC; EN = high

15

22

25

mA

Gate Drive Bias Current - PVCC1_2 Pin

IPVCC1_2; EN = high

1

1.8

3

mA

Gate Drive Bias Current - PVCC_NB Pin

IPVCC_NB; EN = high

0.3

0.9

2

mA

VCC POR (Power-On Reset) Threshold

VCC Rising

4.20

4.35

4.50

V

VCC Falling

3.70

3.85

4.05

V

PVCC POR (Power-On Reset) Threshold

PVCC Rising

4.20

4.35

4.50

V

PVCC Falling

3.70

3.85

4.05

V

PWM MODULATOR

Oscillator Frequency Accuracy, fSW

RT = 100kΩ (±0.1%) to Ground, (All Temps)

(Droop Enabled)

225

250

265

kHz

RT = 100kΩ (±0.1%) to VCC, TA = 0°C to +70°C

(Droop Disabled)

245

275

310

kHz

RT = 100kΩ (±0.1%) to VCC, TA = -40°C to +85°C

(Droop Disabled)

240

275

310

kHz

Typical Adjustment Range of Switching

Frequency

(Note 3)

0.08

1.0

MHz

Oscillator Ramp Amplitude, VP-P

(Note 3)

1.50

V

Maximum Duty Cycle

(Note 3)

99.5

%

CONTROL THRESHOLDS

EN Rising Threshold

0.80

0.88

0.92

V

EN Hysteresis

70

130

190

mV

PWROK Input HIGH Threshold

1.1

V

PWROK Input LOW Threshold

0.95

V

VDDPWRGD Sink Current

Open drain, V_VDDPWRGD = 400mV

4

mA

PWM Channel Disable Threshold

VISEN3-, VISEN4-, VISEN2-

4.4

V

ISL6324A

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