ISL8023, ISL8024

7

FN7812.2

May 17, 2012

COMPENSATION

Error Amplifier Trans-Conductance

FS = VIN

80

µA/V

FS with Resistor

150

µA/V

Trans-Resistance

RT

0.15

0.2

0.25

Ω

PHASE

P-Channel MOSFET ON-Resistance

35

45

55

mΩ

50

70

90

mΩ

N-Channel MOSFET ON-Resistance

12

19

25

mΩ

20

28

37

mΩ

PHASE Maximum Duty Cycle

100

%

PHASE Minimum On-Time

SYNC = High

140

ns

OSCILLATOR

Nominal Switching Frequency

Fsw

FS = VIN

800

1000

1200

kHz

FS with RS = 402kΩ

490

kHz

FS with RS = 42.2kΩ

4200

kHz

SYNC Logic Low to High Transition Range

0.70

0.75

0.80

V

SYNC Hysteresis

0.15

V

SYNC Logic Input Leakage Current

3.6

5

µA

PG

Output Low Voltage

0.3

V

Delay Time (Rising Edge)

0.5

1

2

ms

PG Pin Leakage Current

0.01

0.1

µA

OVP PG Rising Threshold

0.80

V

UVP PG Rising Threshold

80

85

90

%

UVP PG Hysteresis

5%

PGOOD Delay Time (Falling Edge)

15

µs

EN

Logic Input Low

0.4

V

Logic Input High

0.9

V

EN Logic Input Leakage Current

0.1

1

µA

Thermal Shutdown

150

°C

Thermal Shutdown Hysteresis

25

°C

NOTE:

6. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

(Note 6)

TYP

MAX

(Note 6)

UNITS