9

FN6499.1

July 19, 2007

LOGIC INTERFACE

EN Input Voltage Range

0VDD

V

EN Threshold Voltage

Rising

1.030

1.06

1.100

V

Falling

0.985

1.000

1.025

V

Hysteresis

30

60

90

mV

EN Input Bias Current

EN = 2.5V

1.8

2.0

2.2

µA

ACPRN Sink Current

ACPRN = 0.4V

3

8

11

mA

ACPRN Leakage Current

ACPRN = 5V

-0.5

0.5

µA

DCPRN Sink Current

DCPRN = 0.4V

3

8

11

mA

DCPRN Leakage Current

DCPRN = 5V

-0.5

0.5

µA

ICM Output Accuracy

CSIP-CSIN = 100mV

-3

0

+3

%

CSIP-CSIN = 75mV

-4

0

+4

%

CSIP-CSIN = 50mV

-5

0

+5

%

Thermal Shutdown Temperature

150

°C

Thermal Shutdown Temperature

Hysteresis

25

°C

NOTE:

6. This is the sum of currents in these pins (CSIP, CSIN, BGATE, BOOT, UGATE, PHASE, CSOP, CSON) all tied to 16.8V. No current in pins EN,

ACSET, DCSET, VADJ, CELLS, ACLIM, CHLIM.

Electrical Specifications

DCIN = CSIP = CSIN = 18V, CSOP = CSON = 12V, ACSET = DCSET = 1.5V, ACLIM = VREF,

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

ISL6256, ISL6256A