ISL6236AIRZ-T datasheet(3/37 Pages) INTERSIL

Part #	ISL6236AIRZ-T

Description	High-Efficiency, Quad-Output, Main Power Supply Controllers for Notebook Computers

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Manufacturer	INTERSIL [Intersil Corporation]

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3 / 37 page

3

FN6453.0

March 14, 2007

Absolute Voltage Ratings

VIN, EN LDO to GND. . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +27V

BOOT to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +33V

BOOT to PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V

VCC, EN, SKIP#, TON,

PVCC, POK to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V

LDO, FB1, REFIN2, LDOREFIN to GND . . . -0.3V to (VCC + 0.3V)

OUT, SECFB, VREF3, REF to GND . . . . . . . . -0.3V to (VCC + 0.3V

UGATE to PHASE . . . . . . . . . . . . . . . . . . . . -0.3V to (PVCC + 0.3V)

ILIM to GND . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to (VCC + 0.3V)

LGATE, BYP to GND . . . . . . . . . . . . . . . . . . -0.3V to (PVCC + 0.3V)

PGND to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +0.3V

LDO, REF, VREF3 Short Circuit to GND . . . . . . . . . . . . Continuous

VCC Short Circuit to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1s

LDO Current (Internal Regulator) Continuous . . . . . . . . . . . . 100mA

LDO Current (Switched Over to OUT1) Continuous . . . . . . +200mA

Thermal Information

Thermal Resistance (Typical)

θJA (°C/W)

θJC (°CW)

32 Ld QFN (Notes 1, 2) . . . . . . . . . . . . 32

3.0

Operating Temperature Range . . . . . . . . . . . . . . . . -40°C to +100°C

Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C

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

θ

JA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See

Tech Brief TB379.

2. For

θJC, the “case temp” location is the center of the exposed metal pad on the package underside.

Electrical Specifications

No load on LDO, OUT1, OUT2, VREF3, and REF, VIN = 12V, EN2 = EN1 = VCC, VBYP = 5V, PVCC = 5V,

VEN_LDO = 5V, TA = -40°C to +100°C, unless otherwise noted. Typical values are at TA = +25°C.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

MAIN SMPS CONTROLLERS

VIN Input Voltage Range

LDO in regulation

5.5

25

V

VIN = LDO, VOUT1 <4.43V

4.5

5.5

V

3.3V Output Voltage in Fixed Mode

VIN = 4.5V to 25V, REFIN2 > (VCC - 1V), SKIP# = 5V

3.285

3.330

3.375

V

1.05V Output Voltage in Fixed Mode

VIN = 4.5V to 25V, 3.0 < REFIN2 < (VCC - 1.1V),

SKIP# = 5V

1.038

1.05

1.062

V

1.5V Output Voltage in Fixed Mode

VIN = 4.5V to 25V, FB1 = VCC, SKIP# = 5V

1.482

1.500

1.518

V

5V Output Voltage in Fixed Mode

VIN = 5.5V to 25V, FB1 = GND, SKIP# = 5V

4.975

5.050

5.125

V

FB1 in Output Adjustable Mode

VIN = 4.5V to 25V

0.693

0.700

0.707

V

REFIN2 in Output Adjustable Mode

VIN = 4.5V to 25V

0.7

2.50

V

SECFB Voltage

VIN = 4.5V to 25V

1.920

2.00

2.080

V

SMPS1 Output Voltage Adjust Range

SMPS1

0.70

5.50

V

SMPS2 Output Voltage Adjust Range

SMPS2

0.50

2.50

V

SMPS2 Output Voltage Accuracy

(Referred for REFIN2)

REFIN2 = 0.7V to 2.5V, SKIP# = VCC

-1.0

1.0

%

DC Load Regulation

Either SMPS, SKIP# = VCC, 0A to 5A

-0.1

%

Either SMPS, SKIP# = REF, 0A to 5A

-1.7

%

Either SMPS, SKIP# = GND, 0A to 5A

-1.5

%

Line Regulation

Either SMPS, 6V < VIN < 24V

0.005

%/V

Current-Limit Current Source

Temperature = +25°C

4.75

5

5.25

µA

ILIM Adjustment Range

0.2

2

V

Current-Limit Threshold (Positive, Default)

ILIM = VCC, GND - PHASE

(No temperature compensation)

93

100

107

mV

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