TC4420CAT datasheet(3/20 Pages) MICROCHIP

3 / 20 page

 2004 Microchip Technology Inc.

DS21419C-page 3

TC4420/TC4429

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings†

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

Input Voltage .................................. – 5V to VDD + 0.3V

Input Current (VIN > VDD)................................... 50 mA

Power Dissipation (TA ≤ 70°C)

5-Pin TO-220 .................................................... 1.6W

CERDIP ....................................................... 800 mW

DFN ............................................ ...................Note 2

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

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

Package Power Dissipation (TA ≤ 25°C)

5-Pin TO-220 (With Heatsink) ........................ 12.5W

Thermal Impedances (To Case)

5-Pin TO-220 RθJ-C ...................................... 10°C/W

† 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.

DC CHARACTERISTICS

Electrical Specifications: Unless otherwise noted, TA = +25°C with 4.5V ≤ VDD ≤ 18V.

Parameters

Sym

Min

Typ

Max

Units

Conditions

Input

Logic ‘1’, High Input

Voltage

VIH

2.4

1.8

—

Logic ‘0’, Low Input Voltage

VIL

—1.3

0.8

Input Voltage Range

VIN

–5

—

VDD+0.3

Input Current

IIN

–10

—

+10

µA

≤ V

IN ≤ VDD

Output

High Output Voltage

VOH

VDD – 0.025

—

DC TEST

Low Output Voltage

VOL

—

0.025

DC TEST

Output Resistance, High

ROH

—2.1

2.8

Ω

IOUT = 10 mA, VDD = 18V

Output Resistance, Low

ROL

—1.5

2.5

Ω

IOUT = 10 mA, VDD = 18V

Peak Output Current

IPK

—6.0

—

VDD = 18V

Latch-Up Protection

Withstand Reverse Current

IREV

—

> 1.5

—

Duty cycle

≤ 2%, t ≤ 300 µsec

Switching Time (Note 1)

Rise Time

—25

Figure 4-1, CL = 2,500 pF

Fall Time

—25

Figure 4-1, CL = 2,500 pF

Delay Time

tD1

—55

Figure 4-1

Delay Time

tD2

—55

Figure 4-1

Power Supply

Power Supply Current

—

0.45

1.5

150

µA

VIN = 3V

VIN = 0V

Operating Input Voltage

VDD

4.5

—

Note 1:

Switching times ensured by design.

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

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