ISL6341EVAL1Z datasheet(4/17 Pages) INTERSIL

Part #	ISL6341EVAL1Z

Description	5V or 12V Single Synchronous Buck Pulse-Width Modulation (PWM) Controller

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Manufacturer	INTERSIL [Intersil Corporation]

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4 / 17 page

4

FN6538.2

December 2, 2008

Absolute Maximum Ratings

Thermal Information

Supply Voltage, (VCC) . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 15V

BOOT Voltage (VBOOT-GND). . . . . . . . . . . . . . . . GND - 0.3V to 36V

BOOT to PHASE Voltage (VBOOT - VPHASE) . . . GND - 0.3V to 15V

-0.3V to 16V (<10ns, 10µJ)

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

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

LGATE/OCSET Voltage (VLGATE). . . . . .GND - 0.3V to VCC + 0.3V

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

PHASE Voltage (VPHASE) . . . . . . . . . .GND - 0.3V to VBOOT + 0.3V

GND - 8V (<400ns, 20µJ) to 30V (<200ns, VBOOT-GND <36V)

FB, VOS, COMP/EN Voltage . . . . . . . . . . . . . . . . . GND - 0.3V to 6V

PGOOD Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 7V

Thermal Resistance (Typical)

θJA (°C/W) θJC (°C/W)

10 Ld TDFN Package (Notes 1, 2). . . .

44

3.5

Maximum Power Dissipation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0W

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

Operating Conditions

Supply Voltage Range, VCC . . . . . . . . . . . . . . . . . . . +4.5V to 14.4V

Ambient Temperature Range

ISL6341xCRZ (Commercial) . . . . . . . . . . . . . . . . . . 0°C to +70°C

ISL6341xIRZ (Industrial) . . . . . . . . . . . . . . . . . . . . -40°C to +85°C

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

θ

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

Tech Brief TB379 for details.

2. For

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

Electrical Specifications

Test Conditions: VCC = 12V, TJ = 0°C to +85°C, Unless Otherwise Noted. 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

Input Bias Supply Current

IVCC_dis

VCC = 12V; disabled

7.0

mA

Input Bias Supply Current

IVCC_en

VCC = 12V; enabled (but not switching)

6.4

8.9

10.4

mA

POWER-ON RESET

Rising VCC POR Threshold

VPOR

3.8

4.2

4.47

V

VCC POR Threshold Hysteresis

0.15

0.48

0.85

V

OSCILLATOR

Switching Frequency

fOSC

ISL6341C, ISL6341CC

270

300

330

kHz

ISL6341I, ISL6341CI

240

300

330

kHz

ISL6341AC, ISL6341BC

540

600

660

kHz

ISL6341AI, ISL6341BI

510

600

660

kHz

Ramp Amplitude (Note 3)

ΔVOSC

1.5

VP-P

REFERENCE

Reference Voltage Tolerance

VREF

ISL6341C, ISL6341AC, ISL6341BC,

ISL6341CC

0.7936

0.8000

0.8064

V

ISL6341I, ISL6341AI, ISL6341BI, ISL6341CI

0.7920

0.8000

0.8080

V

ERROR AMPLIFIER

DC Gain (Note 3)

GAIN

96

dB

Gain-Bandwidth Product (Note 3)

GBWP

20

MHz

Slew Rate (Note 3)

SR

8

V/µs

GATE DRIVERS

Upper Gate Source Impedance

RUG-SRCh VCC = 12V; I = 50mA

2.1

Ω

Upper Gate Sink Impedance

RUG-SNKh VCC = 12V; I = 50mA

1.6

Ω

Lower Gate Source Impedance

RLG-SRCh VCC = 12V; I = 50mA

1.4

Ω

Lower Gate Sink Impedance

RLG-SNKh VCC = 12V; I = 50mA

1.0

Ω

Upper Gate Source Impedance

RUG-SRCl VCC = 5V; I = 50mA

2.4

Ω

ISL6341, ISL6341A, ISL6341B, ISL6341C

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