5

(Note 5)

2.5

3.0

3.5

V/V

CS to OUT Delay

(Note 5)

-

25

40

nS

ERROR AMPLIFIER

Open Loop Voltage Gain

(Note 5)

60

90

-

dB

Unity Gain Bandwidth

(Note 5)

3.5

5

-

MHz

Reference Voltage

2.475

2.500

2.525

V

FB Input Bias Current

-1.0

-0.2

1.0

µA

COMP Sink Current

1.0

-

-

mA

COMP Source Current

-0.4

-

-

mA

COMP VOH

4.80

-

VREF

V

COMP VOL

0.4

-

1.0

V

PSRR

18V (Note 5)

60

80

-

dB

OSCILLATOR

Frequency Accuracy

495255

kHz

-0.2

1.0

%

Temperature Stability

(Note 5)

-

-

5

%

Amplitude, Peak to Peak

-1.9

-

V

RTCT Discharge Voltage

-

0.7

-

V

Discharge Current

RTCT = 2.0V

7.2

8.4

9.5

mA

OUTPUT

Gate VOH

-

1.0

2.0

V

Gate VOL

-

1.0

2.0

V

Peak Output Current

-

1.0

-

A

Rise Time

-

20

40

nS

Fall Time

-

20

40

nS

PWM

Maximum Duty Cycle

ISL6842, ISL6843

94

96

-

%

ISL6844, ISL6845

47

48

-

%

Minimum Duty Cycle

ISL6842, ISL6843

-

-

0

%

ISL6844, ISL6845

-

-

0

%

NOTES:

5. Guaranteed by design, not 100% tested in production.

Electrical Specifications

Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

ISL6842, ISL6843, ISL6844, ISL6845