5

FN9143.5

Absolute Maximum Ratings

Thermal Information

5VSBY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +7V

P12V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +14V

8.0V (<10ns Pulse Width, 10

μJ)

All other Pins . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 5VCC + 0.3V

ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class 2

Recommended Operating Conditions

Supply Voltage on 5VSBY . . . . . . . . . . . . . . . . . . . . . . . . +5V ±10%

Supply Voltage on P12V . . . . . . . . . . . . . . . . . . . . . . . . +12V ±10%

Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . 0°C to +70°C

Junction Temperature Range. . . . . . . . . . . . . . . . . . . 0°C to +125°C

Thermal Resistance (Typical, Notes 1, 2)

θ

θ

QFN Package . . . . . . . . . . . . . . . . . . .

32

5

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

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

Tech Brief TB379.

2. For

Electrical Specifications

Recommended Operating Conditions, Unless Otherwise Noted. Refer to Block and Simplified Power System

Diagrams and Typical Application Schematics

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

5VSBY SUPPLY CURRENT

Nominal Supply Current

S3# and S5# HIGH, UGATE/LGATE Open

5.5

7.0

8.0

mA

S5# LOW, S3# Don’t Care, UGATE/LGATE Open

-

700

850

μA

POWER-ON RESET

Rising 5VSBY POR Threshold

4.10

-

4.45

V

Falling 5VSBY POR Threshold

3.60

-

3.95

V

Rising P12V POR Threshold

10.0

-

10.5

V

Falling P12V POR Threshold

8.80

-

9.75

V

OSCILLATOR AND SOFT-START

PWM Frequency

220

250

280

kHz

Ramp Amplitude

-1.5

-

V

Soft-Start Interval

6.5

8.2

9.5

ms

REFERENCE VOLTAGE

Reference Voltage

-0.800

-

V

System Accuracy

-2.0

-

+2.0

%

DC Gain

(Note 3)

-

80

-

dB

Gain-Bandwidth Product

GBWP

(Note 3)

15

-

-

MHz

Slew Rate

SR

(Note 3)

-

6

-

V/

μs

CONTROL I/O (S3#, S5#)

LOW Level Input Threshold

0.75

-

-

V

HIGH Level Input Threshold

--

2.2

V

ISL6537A