ISL6620CBZ datasheet(4/10 Pages) INTERSIL

4 / 10 page

FN6494.0

April 25, 2008

Absolute Maximum Ratings

Thermal Information

Supply Voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 7V

Input Voltage (VEN, VPWM) . . . . . . . . . . . . . . . -0.3V to VCC + 0.3V

BOOT Voltage (VBOOT-GND). . . -0.3V to 25V (DC) or 36V (<200ns)

BOOT To PHASE Voltage (VBOOT-PHASE) . . . . . . -0.3V to 7V (DC)

-0.3V to 9V (<10ns)

PHASE Voltage . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 15V (DC)

GND -8V (<20ns Pulse Width, 10µJ) to 30V (<100ns)

UGATE Voltage . . . . . . . . . . . . . . . . VPHASE - 0.3V (DC) to VBOOT

VPHASE - 5V (<20ns Pulse Width, 10µJ) to VBOOT

LGATE Voltage . . . . . . . . . . . . . . . GND - 0.3V (DC) to VCC + 0.3V

GND - 2.5V (<20ns Pulse Width, 5µJ) to VCC + 0.3V

Ambient Temperature Range . . . . . . . . . . . . . . . . . .-40°C to +125°C

Thermal Resistance

θJA (°C/W) θJC (°C/W)

SOIC Package (Note 1) . . . . . . . . . . . .

100

N/A

DFN Package (Notes 2, 3) . . . . . . . . . .

Maximum Junction Temperature (Plastic Package) . . . . . . . +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

Ambient Temperature Range

ISL6620IBZ, ISL6620IRZ, ISL6620AIBZ, ISL6620AIRZ

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

ISL6620CBZ, ISL6620CRZ, ISL6620ACBZ, ISL6620ACRZ

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

Maximum Operating Junction Temperature. . . . . . . . . . . . . +125°C

Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V ±10%

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:

θJA is measured with the component mounted on a high effective thermal conductivity test board in free air.

JA 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.

3. For

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

Electrical Specifications

Recommended Operating Conditions; 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

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

VCC Supply Current

No Load Switching Supply Current

IVCC

f_PWM = 300kHz, V_VCC = 5V

1.27

Standby Supply Current

IVCC

PWM 0V to 2.5V transition, EN = High

1.85

PWM 0V to 2.5V transition, EN = Low

1.15

POWER-ON RESET AND ENABLE

VCC Rising POR Threshold

3.2

3.8

4.4

VCC Falling POR Threshold

3.0

3.4

4.0

VCC POR Hysteresis

130

300

530

EN High Threshold

1.40

1.65

1.90

EN Low Threshold

1.20

1.35

1.55

PWM INPUT (See TIMING DIAGRAM" on page 6)

Input Current

IPWM

VPWM = 5V

500

µA

VPWM = 0V

-430

µA

PWM Rising Threshold (Note 4)

VCC = 5V

3.4

PWM Falling Threshold (Note 4)

VCC = 5V

1.6

Three-State Lower Gate Falling Threshold

VCC = 5V

1.6

Three-State Lower Gate Rising Threshold

VCC = 5V

1.1

Three-State Upper Gate Rising Threshold

VCC = 5V

3.2

Three-state Upper Gate Falling Threshold

VCC = 5V

2.8

UGATE Rise Time (Note 4)

t_RU

VCC = 5V, 3nF load, 10% to 90%

ISL6620, ISL6620A

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