SM645 datasheet(2/4 Pages) MICROSEMI

2 / 4 page

SM645/SM646/SM647

4/90 Rev 1.1 2/94

LINFINITY Microelectronics Inc.

11861 Western Avenue

∞

∞ Garden Grove, CA 92841

(714) 898-8121

∞

∞ FAX: (714) 893-2570

ABSOLUTE MAXIMUM RATINGS (Note 1)

150

°C

-65

°C to 150°C

300

°C

Operating Junction Temperature

Hermetic (K Package) ..................................................

Storage Temperature Range .............................

Lead Temperature (Soldering, 10 Seconds) ...................

2.0

°C/W

2.0

°C/W

30.0

°C/W

Thermal Resistance

Power Switch,

J - C ...................................................

Commutating Diode .................................................

Case to Ambient,

C - A ............................................

Note 1. Exceeding these ratings could cause damage to the device.

K Package:

Thermal Resistance-Junction to Case,

JC .................. 2.0°C/W

Thermal Resistance-Junction to Ambient,

JA .............. 35°C/W

THERMAL DATA

Note A. Junction Temperature Calculation: T

= T

+ (P

Note B. The above numbers for

JC are maximums for the limiting

thermal resistance of the package in a standard mount-

ing configuration. The

JA numbers are meant to be

guidelines for the thermal performance of the device/pc-

board system. All of the above assume no ambient

airflow.

Operating Ambient Temperature Range

SM6XXK ....................................................... 0

°C to 70°C

SM6XXHRK ............................................ -55

°C to 125°C

Note 2. Range over which the device is functional.

RECOMMENDED OPERATING CONDITIONS (Note 2)

ELECTRICAL CHARACTERISTICS

(Unless otherwise specified, these specifications apply for the operating ambient temperature of T

A = 25°C.

Low duty cycle pulse testing tech-

niques are used which maintains junction and case temperatures equal to the ambient temperature.)

4 = 7A(-7A), I3 = -30mA(30mA)

4 = 15A(-15A), I3 = -30mA(30mA)

4 = 7A(-7A)

4 = 15A(-15A)

4 = Rated input voltage

4 = Rated input voltage, TA = 125 °C

1 = Rated output voltage

1 = Rated output voltage, TA = 125 °C

On-State Voltage (Note 3)

Diode Forward Voltage (Note 3)

Off-State Current

Diode Reverse Current

Test Conditions

Parameter

Units

Note 3. Pulse test: Duration = 300

µs, Duty Cycle ≤ 2%.

µA

1.5

3.5

1.25

1.75

1.0

2.5

0.85

0.95

0.1

1.0

500

SG645/646/647

Min.

Typ. Max.

SM645

SM646

SM647

Input Voltage, V

4 - 2 ..........................................

50V

70V

90V

Output Voltage, V

1 - 2 .......................................

50v

70v

90V

Drive Input Reverse Voltage, V

3 - 4 ..................

Output Current, I

1 ...........................................

13A

Drive Current, I

3 ..............................................

-0.3A

SM645

SM646

SM647

Input Voltage, V

4 - 2 .........................................

60V

80V

100V

Output Voltage, V

1 - 2 ......................................

60v

80v

100V

Drive Input Reverse Voltage, V

3 - 4 ................

Continuous Output Current, I

1 .......................

15A

Peak Output Current .....................................

20A

Drive Current, I

3 ............................................

-0.4A

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