MIC4451CT datasheet(3/12 Pages) MICREL

3 / 12 page

July 2005

MIC4451/4452

Micrel, Inc.

Electrical Characteristics(Note 4):

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

Symbol

Parameter

Conditions

Min

Typ

Max

Units

INPUT

Logic 1 Input Voltage

2.4

1.3

Logic 0 Input Voltage

1.1

0.8

Input Voltage Range

–5

S+.3

Input Current

0 V ≤ V

IN ≤ VS

–10

µA

OUTPUT

High Output Voltage

See Figure 1

S–.025

Low Output Voltage

See Figure 1

.025

Output Resistance,

OUT = 10 mA, VS = 18V

0.6

1.5

Output High

Output Resistance,

OUT = 10 mA, VS = 18V

0.8

1.5

Output Low

Peak Output Current

S = 18 V (See Figure 6)

Continuous Output Current

Latch-Up Protection

Duty Cycle ≤ 2%

>1500

Withstand Reverse Current

t ≤ 300 µs

SWITCHING TIME (Note 3)

Rise Time

Test Figure 1, C

L = 15,000 pF

Fall Time

Test Figure 1, C

L = 15,000 pF

Delay Time

Test Figure 1

Delay Time

Test Figure 1

Power Supply

Power Supply Current

IN = 3 V

0.4

1.5

IN = 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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