5

FN6343.1

December 23, 2008

PGOOD Delay

CLK_EN# Low to PGOOD High

6.3

7.6

8.9

ms

Overvoltage Threshold

160

200

240

mV

Severe Overvoltage Threshold

1.675

1.7

1.725

V

OCSET Reference Current

9.8

10

10.2

µA

OC Threshold Offset

DROOP rising above OCSET >120µs

-3.5

3.5

mV

Current Imbalance Threshold

Difference between ISEN1 and ISEN2 >1ms

9

mV

Undervoltage Threshold

(VDIFF-SOFT)

-360

-300

-240

mV

LOGIC INPUTS

VR_ON, DPRSLPVR Input Low

1V

VR_ON, DPRSLPVR Input High

2.3

V

Leakage Current of VR_ON

Logic input is low

-1

0

µA

Logic input is high at 3.3V

0

1

µA

Leakage Current of DPRSLPVR

-1

0

µA

0.45

1

µA

DAC(VID0-VID6), PSI# and

DPRSTP# Input Low

0.3

V

DAC(VID0-VID6), PSI# and

DPRSTP# Input High

0.7

V

Leakage Current of DAC(VID0-

VID6), PSI# and DPRSTP#

Logic input is low

-1

0

µA

Logic input is high at 1V

0.45

1

µA

THERMAL MONITOR

NTC Source Current

NTC = 1.3V

53

60

67

µA

Over-Temperature Threshold

V(NTC) falling

1.18

1.2

1.22

V

VR_TT# Low Output Resistance

I = 20mA

6.5

9

Ω

POWER MONITOR

PMON Output Voltage Range

1.638

1.680

1.722

V

0.308

0.350

0.392

V

PMON Maximum Voltage

2.8

3.0

V

PMON Sourcing Current

2

mA

PMON Sinking Current

2

mA

Maximum Current Sinking Capability

(see Figure 31)

PMON/

250

Ω

PMON/

180

Ω

PMON/

130

Ω

A

PMON Impedance

When PMON is within its sourcing/sinking

current range (Established by

characterization)

7

Ω

CLK_EN# OUTPUT LEVELS

CLK_EN# High Output Voltage

3V3 = 3.3V, I = -4mA

2.9

3.1

V

CLK_EN# Low Output Voltage

0.26

0.4

V

Electrical Specifications

tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are not

production tested. (Continued)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

ISL6262A