ISL6526AEVAL1 datasheet(5/15 Pages) INTERSIL

Part #	ISL6526AEVAL1

Description	Single Synchronous Buck Pulse-Width Modulation PWM Controller

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Manufacturer	INTERSIL [Intersil Corporation]

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5

Absolute Maximum Ratings

Thermal Information

Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+7V

Absolute Boot Voltage, VBOOT . . . . . . . . . . . . . . . . . . . . . . . +15.0V

Upper Driver Supply Voltage, VBOOT - VPHASE . . . . . . . . . . . +6.0V

Input, Output or I/O Voltage . . . . . . . . . . . GND -0.3V to VCC +0.3V

ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class 2

Operating Conditions

Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . +3.3V ±10%

Ambient Temperature Range . . . . . . . . . . . . . . . . . . . .-40°C to 85°C

Junction Temperature Range. . . . . . . . . . . . . . . . . . .-40°C to 125°C

Thermal Resistance

θJA (°C/W)

θJC (°C/W)

SOIC Package (Note 3) . . . . . . . . . . . .

67

N/A

QFN Package (Note 4). . . . . . . . . . . . .

35

5

Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . 150°C

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

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

(SOIC - Lead Tips Only)

For Recommended soldering conditions see Tech Brief TB389.

CAUTION: Stresses 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 sections of this specification is not implied.

NOTES:

3.

θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.

4.

θ

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

“case temp” is measured at the center of the exposed metal pad on the package underside. See Tech Brief TB379.

Electrical Specifications

Recommended Operating Conditions, unless otherwise noted VCC = 3.3V±5% and TA = 25°C

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

VCC SUPPLY CURRENT

Nominal Supply

IBIAS

6.1

6.9

7.7

mA

POWER-ON RESET

Rising CPVOUT POR Threshold

POR

Commercial

4.25

4.30

4.42

V

Industrial

4.10

4.30

4.50

V

CPVOUT POR Threshold Hysteresis

0.3

0.6

0.9

V

OSCILLATOR

Frequency

fOSC

IC = ISL6526C, Commercial

275

300

325

kHz

IC = ISL6526I, Industrial

250

300

340

kHz

IC = ISL6526AC, Commercial

575

600

625

kHz

IC = ISL6526AI, Industrial

550

600

640

kHz

Ramp Amplitude

∆VOSC

-1.5

-

VP-P

REFERENCE

Reference Voltage Tolerance

--

1.5

%

Nominal Reference Voltage

VREF

-0.800

-

V

Charge Pump

Nominal Charge Pump Output

VCPVOUT VVCC = 3.3V, No Load

-

5.1

-

V

Charge Pump Output Regulation

-2-

%

ERROR AMPLIFIER

DC Gain

Guaranteed by Design

-

88

-

dB

Gain-Bandwidth Product

GBWP

-

15

-

MHz

Slew Rate

SR

-

6

-

V/

µs

SOFT-START

Soft-Start Slew Rate

Commercial

6.2

-

7.3

ms

Industrial

6.2

-

7.6

ms

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