ISL85410

6

FN8375.2

November 22, 2013

Absolute Maximum Ratings

Thermal Information

VIN to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +42V

PHASE to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to VIN+0.3V (DC)

PHASE to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -2V to 43V (20ns)

EN to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +42V

BOOT to PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +5.5V

COMP, FS, PG, SYNC, SS, VCC to GND . . . . . . . . . . . . . . . . . . -0.3V to +5.9V

FB to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +2.95V

ESD Rating

Human Body Model (Tested per JESD22-A114) . . . . . . . . . . . . . . . . . 2kV

Charged Device Model (Tested per JESD22-C101E). . . . . . . . . . . . .1.5kV

Latch Up (Tested per JESD-78A; Class 2, Level A) . . . . . . . . . . . . 100mA

Thermal Resistance

DFN Package (Notes 4, 5) . . . . . . . . . . . . . .

42

4.5

Maximum Junction Temperature (Plastic Package) . . . . . . . . . . . .+150°C

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

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

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

Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below

http://www.intersil.com/pbfree/Pb-FreeReflow.asp

Recommended Operating Conditions

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

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 36V

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:

4.

Brief TB379 for details.

5. For

limits apply over the junction temperature range, -40°C to +125°C

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

(Note 8)

TYP

MAX

(Note 8)

UNITS

SUPPLY VOLTAGE

336

V

80

µA

2

4

µA

4.5

5.1

5.7

V

POWER-ON RESET

Rising Edge

2.75

2.95

V

Falling Edge

2.35

2.6

V

OSCILLATOR

Nominal Switching Frequency

430

500

570

kHz

240

300

360

kHz

2000

kHz

Minimum Off-Time

150

ns

Minimum On-Time

(Note 9)

90

ns

0.39

0.4

0.41

V

Synchronization Frequency

SYNC

300

2000

kHz

SYNC Pulse Width

100

ns

ERROR AMPLIFIER

Error Amplifier Transconductance Gain

gm

External Compensation

165

230

295

µA/V

Internal Compensation

50

µA/V

FB Leakage Current

1

150

nA

Current Sense Amplifier Gain

0.46

0.5

0.54

V/A

FB Voltage

0.590

0.599

0.606

V

0.590

0.599

0.607

V