3

FN9107.3

June 30, 2005

Absolute Voltage Ratings

Supply Voltage, VDD, VDDP . . . . . . . . . . . . . . . . . . . . . . . . -0.3-+7V

Battery Voltage, VBAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+25V

Boot1,2 and UGATE1,2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+35V

Phase1,2 and ISEN1,2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+30V

Boot1,2 with respect to Phase1,2 . . . . . . . . . . . . . . . . . . . . . . +6.5V

UGATE1,2 . . . . . . . . . . . . . . . (Phase1,2 - 0.3V) to (Boot1,2 + 0.3V)

All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to (VDD + 0.3V)

Recommended Operating Conditions

Supply Voltage, VDD, VDDP . . . . . . . . . . . . . . . . . . . . . . . +5V ±5%

Ambient Temperature. . . . . . . . . . . . . . . . . . . . . . . . . .-10°C to 85°C

Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . .-10°C to 125°C

Thermal Information

Thermal Resistance (Typical, Note 1)

TSSOP Package (Note 1) . . . . . . . . . . . . . . . . . . . .

72°

Maximum Operating Junction Temperature. . . . . . . . . . . . . . . 125°C

Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C

Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300°C

CAUTION: Stress above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the

device at these or any other conditions above those indicated in the operational section of this specification is not implied.

NOTE:

1.

Electrical Specifications

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

INPUT POWER SUPPLY

Input Supply Current, I(VDD)

EN = 3.3V, DSEN# = 0, DRSEN = 0, PWRCH = 0

-

1.4

-

mA

EN = 0V

-

1

-

µA

POR (Power-On Reset) Threshold

VDD Rising

4.35

4.45

4.5

V

VDD Falling

4.05

4.20

4.40

V

REFERENCE AND DAC

System Accuracy

Percent system deviation from programmed VID Codes @ 1.356

-0.8

-

0.8

%

DAC (VID0 - VID5) Input Low Voltage DAC Programming Input Low Threshold Voltage

-

-

0.3

V

DAC (VID0 - VID5) Input High

Voltage

DAC Programming Input High Threshold Voltage

0.7

-

-

V

Maximum Output Voltage

-

1.708

-

V

Minimum Output Voltage

-0.70

-

V

CHANNEL GENERATOR

Frequency, FSW

RFset = 243K, ±1%

225

250

275

kHz

Adjustment Range

Guaranteed by Design

0.25

-

1.0

MHz

ERROR AMPLIFIER

DC Gain

-100

-

dB

Gain-Bandwidth Product

CL = 20pF

-

18

-

MHz

Slew Rate

CL = 20pF

-

4.0

-

V/µs

ISEN

Full Scale Input Current

-32

-

µA

Overcurrent Threshold

ROCSET = 124K

-

64

-

µA

Soft-Start Current

-31

-

µA

Droop Current

27

28

30

µA

GATE DRIVER

UGATE Source Resistance

500mA Source Current

-

1

1.5

Ω

UGATE Source Current

VUGATE-PHASE = 2.5V

-

2

-

A

ISL6217A