MIC4451CT datasheet(3/10 Pages) MICREL

3 / 10 page

5-72

April 1998

MIC4451/4452

Micrel

Electrical Characteristics:

(TA = 25°C with 4.5 V ≤ VS ≤ 18 V unless otherwise specified.)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

INPUT

VIH

Logic 1 Input Voltage

2.4

1.3

VIL

Logic 0 Input Voltage

1.1

0.8

VIN

Input Voltage Range

–5

VS+.3

IIN

Input Current

0 V

≤ V

IN ≤ VS

–10

µA

OUTPUT

VOH

High Output Voltage

See Figure 1

VS–.025

VOL

Low Output Voltage

See Figure 1

.025

Output Resistance,

IOUT = 10 mA, VS = 18V

0.6

1.5

Ω

Output High

Output Resistance,

IOUT = 10 mA, VS = 18V

0.8

1.5

Ω

Output Low

IPK

Peak Output Current

VS = 18 V (See Figure 6)

IDC

Continuous Output Current

Latch-Up Protection

Duty Cycle

≤ 2%

>1500

Withstand Reverse Current

≤ 300 µs

SWITCHING TIME (Note 3)

Rise Time

Test Figure 1, CL = 15,000 pF

Fall Time

Test Figure 1, CL = 15,000 pF

tD1

Delay Time

Test Figure 1

tD2

Delay Time

Test Figure 1

Power Supply

Power Supply Current

VIN = 3 V

0.4

1.5

VIN = 0 V

150

µA

Operating Input Voltage

4.5

Absolute Maximum Ratings (Notes 1, 2 and 3)

Supply Voltage .............................................................. 20V

Input Voltage .................................. V

S + 0.3V to GND – 5V

Input Current (V

IN > VS) ............................................ 50 mA

Power Dissipation, T

AMBIENT ≤ 25°C

PDIP .................................................................... 960mW

SOIC ................................................................. 1040mW

5-Pin TO-220 .............................................................. 2W

Power Dissipation, T

CASE ≤ 25°C

5-Pin TO-220 ......................................................... 12.5W

Derating Factors (to Ambient)

PDIP ................................................................ 7.7mW/

°C

SOIC .............................................................. 8.3 mW/

°C

5-Pin TO-220 .................................................... 17mW/

°C

Storage Temperature ............................... –65

°C to +150°C

Lead Temperature (10 sec) ....................................... 300

°C

Operating Ratings

Operating Temperature (Chip) .................................. 150

°C

Operating Temperature (Ambient)

C Version ................................................... 0

°C to +70°C

B Version ................................................ –40

°C to +85°C

Thermal Impedances (To Case)

5-Pin TO-220

(θ

JC) .............................................. 10°C/W

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