ISL6721 datasheet(6/23 Pages) RENESAS

6 / 23 page

ISL6721

FN9110 Rev 9.00

Page 6 of 23

May 20, 2016

Absolute Maximum Ratings

Thermal Information

Supply Voltage, VCC, VC . . . . . . . . . . . . . . . . . . . . . . . (GND -0.3V) to +20.0V

GATE . . . . . . . . . . . . . . . . . . . . . . . (GND - 0.3V) to Gate Output Limit Voltage

PGND to LGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.3V

VREF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (GND - 0.3V) to 5.3V

Signal Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (GND - 0.3V) to VREF

Peak GATE Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A

Operating Conditions

Temperature Range

ISL6721Ax. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +105°C

Supply Voltage Range (Typical, Note 5) . . . . . . . . . . . . . . . . 9VDC to 18VDC

Thermal Resistance (Typical, Note 4)

JA (°C/W)

16 Ld SOIC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

16 Ld TSSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

105

Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . .-55°C to +150°C

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

Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see TB493

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:

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

5. All voltages are with respect to GND.

Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” on page 3

and “Typical Boost Converter Application Schematic” on page 5. 9V < VCC = VC < 20V, RT = 11kΩ, Ct = 330 pF, TA = -40°C to +105°C (Note 6), Typical

values are at TA = +25°C.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

UNDERVOLTAGE LOCKOUT

START Threshold

7.95

8.25

8.55

STOP Threshold

7.40

7.70

8.20

Hysteresis

0.50

0.55

1.00

Start-Up Current, ICC

VCC < START Threshold

100

175

µA

OC/OV Fault Operating Current, ICC

200

300

µA

Operating Current, ICC

4.5

10.0

Operating Supply Current, IC

Includes 1nF GATE loading

8.0

12.0

REFERENCE VOLTAGE

Overall Accuracy

Line, load, 0°C to +105°C

4.95

5.00

5.05

Line, load, -40°C to +105°C

4.90

5.00

5.05

Long Term Stability

TA = +125°C, 1000 hours (Note 8)-

Fault Voltage

4.50

4.65

4.75

VREF Good Voltage

4.65

4.80

4.95

Hysteresis

165

250

Operational Current

-10

Current Limit

-20

CURRENT SENSE

Input Impedance

-5

kΩ

Offset Voltage

0.08

0.10

0.11

Input Voltage Range

1.5

Blanking Time

(Note 8)30

100

Gain, ACS

VSLOPE = 0V, VFB = 2.3V,

VISET = 0.35V, 1.5V

ACS = ISET/ISENSE

0.77

0.79

0.81

V/V

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