ISL6112INZA-T【PDF 7/30 页】IC PWR CNTRLR DUAL SLT 48-TQFP

ISL6112

7

FN6456.1

August 25, 2011

Absolute Maximum Ratings (Note 4)

Thermal Information

12VIN, 12VSENSE, 12VOUT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +14.5V

VSTBY, 3VIN, 3VSENSE, 3VOUT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7V

12VGATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 12VI

3VGATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 12VI

Logic I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +5.5V

VAUX Output Current . . . . . . . . . . . . . . . . . . . . . . . . .Short Circuit Protected

ESD Rating

Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2kV

Machine Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .200V

Charged Device Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1kV

Thermal Resistance (Typical)

?/DIV>

JA

(癈/W) ?/DIV>

JC

(癈/W)

48 Ld 7x7 QFN Package (Notes 5, 6). . . . . 27

3

Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . .+150癈

Maximum Storage Temperature Range . . . . . . . . . . . . . .-65癈 to +150癈

Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below

http://www.intersil.com/pbfree/Pb-FreeReflow.asp

Operating Conditions

12VMAIN Supply Voltage Range. . . . . . . . . . . . . . . . . . . . . . . . +12V ?-10%

3.3VMAIN Supply Voltage Range . . . . . . . . . . . . . . . . . . . . . . .+3.3V ?-10%

AUXI Supply Voltage Range. . . . . . . . . . . . . . . . . . . . . . . . . . . .+3.3V ?-10%

Temperature Range (T

A

) . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40癈 to +85癈

CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product

reliability and result in failures not covered by warranty.

NOTES:

4. All voltages are relative to GND, unless otherwise specified.

5. ?/DIV>

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

.

6. For ?/DIV>

JC

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

Electrical Specifications 12VIN = 12V, 3VIN = 3.3V, VSTBY = 3.3V, T

A

= T

J

= -40癈 to +85癈, unless otherwise noted. Boldface

limits apply over the operating temperature range, -40癈 to +85癈.

PARAMETER

SYMBOL

CONDITION

MIN

(Note 7) TYP

MAX

(Note 7) UNITS

POWER CONTROL AND LOGIC SECTIONS

Supply Current

ICC12 HPI Enabled or SMI enabled with no load

0.9 1.5 mA

ICC3.3

0.1 0.2 mA

ICCSTBY

5

6 mA

Undervoltage Lockout Thresholds VUVLO(12V) 12VIN increasing

8

9 10 V

VUVLO(3V) 3VIN increasing

2.1 2.5 2.75 V

VUVLO(STBY) VSTBY increasing

2.8 2.9 2.96 V

Undervoltage Lockout Hysteresis

12VIN, 3VIN

VHYSUV

180

mV

Undervoltage Lockout Hysteresis

VSTBY

VHYSSTBY

50

mV

Power-Good Undervoltage Thresholds VUVTH(12V) 12VOUT decreasing

10.15 10.5 10.75 V

VUVTH(3V) 3VOUT decreasing

2.7 2.8 2.9 V

VUVTH(VAUX) VAUX decreasing

2.55 2.8 3

V

Power-Good Detect Hysteresis

VHYSPG

30

mV

12VGATE Voltage

VGATE (12V) Max. Gate Voltage when Enabled

0 0.4 0.55 V

12VGATE Sink Current

IGATE(12VSINK) Start Cycle

17 25 35 礎

12VGATE Pull-up Current (Fault Off) IGATE (12VPULL-

UP)

Any fault condition

(VDD VGATE) = 2.5V

35 72

-

mA

3VGATE Voltage

VGATE(3V) Minimum Gate Voltage when Enabled 12VIN

0.3

12VIN

0.2

12VIN V

3VGATE Charge Current

IGATE

(3VCHARGE)

Start Cycle

17 25 35 礎

3VGATE Sink Current (Fault Off)

IGATE(3VSINK) Any fault condition

VGATE = 2.5V

80 105

mA

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