© 2006 Microchip Technology Inc.

DS21422D-page 3

TC4426/TC4427/TC4428

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings †

Supply Voltage ..................................................... +22V

Input Voltage, IN A or IN B

DFN .............................................................. Note 3

MSOP .......................................................... 340 mW

PDIP ............................................................ 730 mW

SOIC............................................................ 470 mW

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

Maximum Junction Temperature ...................... +150°C

† Stresses above those listed under “Absolute Maximum

Ratings” may cause permanent damage to the device. These

are stress ratings only and functional operation of the device

at these or any other conditions above those indicated in the

operation sections of the specifications is not implied.

Exposure to Absolute Maximum Rating conditions for

extended periods may affect device reliability.

PIN FUNCTION TABLE

DC CHARACTERISTICS

Name

Function

NC

No Connection

IN A

Input A

GND

Ground

IN B

Input B

OUT B

Output B

Supply Input

OUT A

Output A

NC

No Connection

Parameters

Sym

Min

Typ

Max

Units

Conditions

Input

Logic ‘1’, High Input Voltage

2.4

—

—

V

Note 2

Logic ‘0’, Low Input Voltage

——

0.8

V

Input Current

-1.0

—

+1.0

Output

High Output Voltage

—

—

V

DC Test

Low Output Voltage

—

—

0.025

V

DC Test

Output Resistance

—7

10

Ω

Peak Output Current

—1.5

—

A

Latch-Up Protection

Withstand Reverse Current

—

> 0.5

—

A

Duty cycle

≤ 2%, t ≤ 300 μs

Switching Time (Note 1)

Rise Time

—19

30

ns

Figure 4-1

Fall Time

—19

30

ns

Figure 4-1

Delay Time

—20

30

ns

Figure 4-1

Delay Time

—40

50

ns

Figure 4-1

Power Supply

Power Supply Current

—

—

—

—

4.5

0.4

mA

Note 1:

Switching times ensured by design.

2:

3:

Package power dissipation is dependent on the copper pad area on the PCB.