ISL78215 datasheet(6/11 Pages) INTERSIL

Part #	ISL78215

Description	Improved Industry Standard Single-Ended Current Mode PWM Controller

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ISL78215

6

FN7673.0

August 16, 2010

Absolute Maximum Ratings

Thermal Information

Supply Voltage, VDD . . . . . . . . . . . . . GND - 0.3V to +20.0V

OUT . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to VDD + 0.3V

Signal Pins . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 6.0V

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

ESD Rating

Human Body Model (Tested per JESD22-A11) . . . . . 2500V

Machine Model (Tested per JESD22-C101) . . . . . . . . . 75V

Charged Device Model (Tested per JESD22-A115) . . 1500V

Operating Conditions

Temperature Range . . . . . . . . . . . . . . . . . -40°C to +105°C

Supply Voltage Range (Typical, Note 6). . . . . . . .7.5V to 18V

Thermal Resistance (Typical)

θJA (°C/W) θJC (°C/W)

MSOP Package (Notes 4, 5) . . . . . .

170

60

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

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

Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . .see link below

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

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

TB379 for details.

5. For θJC, the “case temp” location is taken at the package top center.

6. 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 Application” schematics on page 4 and 5. VDD = 15V

(Note 10), Rt =10kΩ, Ct = 3.3nF, TA = -40 to +105°C, Typical values are at

TA = +25°C. Boldface limits apply over the operating temperature range, -40°C to

+105°C.

PARAMETER

TEST CONDITIONS

MIN

(Note 7)

TYP

MAX

(Note 7)

UNITS

UNDERVOLTAGE LOCKOUT

START Threshold

6.5

7.0

7.5

V

STOP Threshold

6.1

6.6

6.9

V

Hysteresis

-0.4

-

V

Start-up Current, IDD

VDD < START Threshold

-

60

100

µA

Operating Current, IDD

(Note 8)

-

3.3

4.0

mA

Operating Supply Current, ID

Includes 1nF GATE loading

-

4.1

5.5

mA

REFERENCE VOLTAGE

Overall Accuracy

Over line (VDD = 12V to 18V),

load, temperature

4.925

5.000

5.050

V

Long Term Stability

TA = +125°C, 1000 hours

(Note 9)

-5

-

mV

Fault Voltage

4.40

4.65

4.85

V

VREF Good Voltage

4.60

4.80

VREF - 0.05

V

Hysteresis

50

165

250

mV

Current Limit, Sourcing

-20

--

mA

Current Limit, Sinking

5

--

mA

CURRENT SENSE

Input Bias Current

VCS = 1V

-1.0

-

1.0

µA

CS Offset Voltage

VCS = 0V (Note 9)

95

100

105

mV

COMP to PWM Comparator Offset

Voltage

VCS = 0V (Note 9)

0.80

1.15

1.30

V

Input Signal, Maximum

0.91

0.97

1.03

V

Gain, ACS = ΔVCOMP/ΔVCS

0 < VCS < 910mV, VFB = 0V

(Note 9)

2.5

3.0

3.5

V/V

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