MICROCHIP TC4420, TC4429 Technical data

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6A HIGH-SPEED MOSFET DRIVERS

TC4420 TC4429

FEATURES

■ Latch-Up Protected ............ Will Withstand >1.5A

Reverse Output Current

■ Logic Input Will Withstand Negative Swing Up

to 5V

■ ESD Protected.....................................................4kV

■ Matched Rise and Fall Times ......................25nsec

■ High Peak Output Current ......................... 6A Peak

■ Wide Operating Range ..........................4.5V to 18V

■ High Capacitive Load Drive ......................10,000pF

■ Short Delay Time ................................. 55nsec Typ.

■ Logic High Input, Any Voltage .............2.4V to V

■ Low Supply Current With Logic "1" Input ... 450µA

■ Low Output Impedance .................................... 2.5Ω

■ Output Voltage Swing to Within 25mV of Ground

or V

APPLICATIONS

■ Switch-Mode Power Supplies

■ Motor Controls

■ Pulse Transformer Driver

■ Class D Switching Amplifiers

PIN CONFIGURATIONS

TO-220-5

Tab is Connected to V

OUTPUT

INPUT

TC4420 TC4429

GND

INPUT

GND

FUNCTIONAL BLOCK DIAGRAM

8-Pin DIP

TC4420

TC4429

NOTE: Duplicate pins must both be connected for proper operation.

500 µA

300 mV

OUTPUT OUTPUT GNDGND

TC4429

8-Pin SOIC

INPUT

TC4420

TC4429

OUTPUT OUTPUT GNDGND

OUTPUT

GENERAL DESCRIPTION

The TC4420/4429 are 6A (peak), single output MOSFET drivers. The TC4429 is an inverting driver (pin-compatible with the TC429), while the TC4420 is a non-inverting driver. These drivers are fabricated in CMOS for lower power, more efficient operation versus bipolar drivers.

Both devices have TTL-compatible inputs, which can be driven as high as VDD + 0.3V or as low as – 5V without upset or damage to the device. This eliminates the need for external level shifting circuitry and its associated cost and size. The output swing is rail-to-rail ensuring better drive voltage margin, especially during power up/power down sequencing. Propagational delay time is only 55nsec (typ.) and the output rise and fall times are only 25nsec (typ.) into 2500pF across the usable power supply range.

Unlike other drivers, the TC4420/4429 are virtually latch-up proof. They replace three or more discrete components saving PCB area, parts and improving overall system reliability.

ORDERING INFORMATION

Temperature

Part No. Logic Package Range

TC4420CAT Noninverting 5-Pin TO-220 0°C to +70°C TC4420COA Noninverting 8-Pin SOIC 0°C to +70°C TC4420CPA Noninverting 8-Pin PDIP 0°C to +70°C TC4420EOA Noninverting 8-Pin SOIC – 40°C to +85°C TC4420EPA Noninverting 8-Pin PDIP – 40°C to +85°C TC4420IJA Noninverting 8-Pin CerDIP –25°C to +85°C TC4420MJA Noninverting 8-Pin CerDIP – 55°C to +125°C

TC4429CAT Inverting 5-Pin TO-220 0°C to +70°C TC4429COA Inverting 8-Pin SOIC 0°C to +70°C TC4429CPA Inverting 8-Pin PDIP 0°C to +70°C TC4429EOA Inverting 8-Pin SOIC – 40°C to +85°C TC4429EPA Inverting 8-Pin PDIP – 40°C to +85°C TC4429IJA Inverting 8-Pin CerDIP – 25°C to +85°C TC4429MJA Inverting 8-Pin CerDIP – 55°C to +125°C

INPUT

GND

4.7V

EFFECTIVE

INPUT

C = 38 pF

TC4420

TC4420/9-6 10/18/96

TC4420 TC4429

6A HIGH-SPEED MOSFET DRIVERS

ABSOLUTE MAXIMUM RATINGS*

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

Input Voltage ............................................... – 5V to > V

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

Power Dissipation, (TA ≤ 70°C)

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

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

CerDIP............................................................800mW

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

Package Power Dissipation, TC ≤ 25°C

5-Pin TO-220 (With Heat Sink).........................12.5W

Derating Factors (To Ambient)

PDIP ............................................................. 8mW/°C

SOIC............................................................. 4mW/°C

CerDIP....................................................... 6.4mW/°C

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

Operating Temperature (Chip) ..............................+150°C

Operating Temperature Range (Ambient)

C Version...............................................0°C to +70°C

I Version ...........................................– 25°C to +85°C

E Version .......................................... – 40°C to +85°C

M Version .......................................– 55°C to +125°C

Lead Temperature (Soldering, 10 sec) .................+300°C

*Static-sensitive device. Unused devices must be stored in conductive

material. Protect devices from static discharge and static fields. 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.

5-Pin TO-220 .............................................. 12mW/°C

Thermal Impedances (To Case)

5-Pin TO-220 R

ELECTRICAL CHARACTERISTICS: T

...................................................... 10°C/W

θJ-C

= +25°C with 4.5V ≤ V

≤ 18V, unless otherwise specified.

Symbol Parameter Test Conditions Min Typ Max Unit

Input

VIN (Max) Input Voltage Range – 5 — V I

Output

REV

Switching Time (Note 1) t

Power Supply

Logic 1 High Input Voltage 2.4 1.8 — V Logic 0 Low Input Voltage — 1.3 0.8 V

+0.3 V

Input Current 0V ≤ VIN ≤ V

High Output Voltage See Figure 1 V

– 10 — 10 µA

– 0.025 ——V

Low Output Voltage See Figure 1 ——0.025 V Output Resistance, High I Output Resistance, Low I

= 10 mA, VDD = 18V — 2.1 2.8 Ω

OUT

= 10 mA, VDD = 18V — 1.5 2.5 Ω

OUT

Peak Output Current VDD = 18V (See Figure 5) — 6 — A Latch-Up Protection Duty Cycle ≤ 2% 1.5 ——A

Withstand Reverse Current t ≤ 300µsec

Rise Time Figure 1, CL = 2500pF — 25 35 nsec Fall Time Figure 1, CL = 2500pF — 25 35 nsec Delay Time Figure 1 — 55 75 nsec Delay Time Figure 1 — 55 75 nsec

Power Supply Current VIN = 3V — 0.45 1.5 mA

VIN = 0V — 55 150 µA

Operating Input Voltage 4.5 — 18 V

TC4420/9-6 10/18/96

6A HIGH-SPEED MOSFET DRIVERS

TC4420 TC4429

ELECTRICAL CHARACTERISTICS: Measured over operating temperature range with 4.5V ≤ V

≤ 18V,

unless otherwise specified.

Symbol Parameter Test Conditions Min Typ Max Unit

Input

VIN (Max) Input Voltage Range – 5 — V I

Output

Switching Time (Note 1) t

Power Supply

NOTE: 1. Switching times guaranteed by design.

Logic 1 High Input Voltage 2.4 ——V Logic 0 Low Input Voltage ——0.8 V

+ 0.3 V

Input Current 0V ≤ VIN ≤ V

High Output Voltage See Figure 1 V

– 10 — 10 µA

– 0.025 ——V

Low Output Voltage See Figure 1 ——0.025 V Output Resistance, High I Output Resistance, Low I

= 10mA, VDD = 18V — 35Ω

OUT

= 10mA, VDD = 18V — 2.3 5 Ω

OUT

Rise Time Figure 1, CL = 2500pF — 32 60 nsec Fall Time Figure 1, CL = 2500pF — 34 60 nsec Delay Time Figure 1 — 50 100 nsec Delay Time Figure 1 — 65 100 nsec

Power Supply Current VIN = 3V — 0.45 3 mA

VIN = 0V — 60 400 µA

Operating Input Voltage 4.5 — 18 V

VDD = 18V

0.1µF 0.1µF

INPUT

TC4429

1µF

+5V

INPUT

10%

OUTPUT

CL= 2500pF

Figure 1. Switching Time Test Circuit

+18V

OUTPUT

INPUT: 100 kHz, square wave,

RISE = tFALL

90%

10%

≤ 10nsec.

90%

10%

TC4420/9-6 10/18/96

TC4420 TC4429

TYPICAL CHARACTERISTICS

6A HIGH-SPEED MOSFET DRIVERS

Rise Time vs. Supply Voltage

120

100

C = 10,000 pF

V (V)

C = 4700 pF

C = 2200 pF

TIME (nsec)

579111315

Rise Time vs. Capacitive Load

100

V = 5V

TIME (nsec)

V = 12V

V = 18V

Fall Time vs. Supply Voltage

100

C = 10,000 pF

C = 4700 pF

C = 2200 pF

TIME (nsec)

579111315

V (V)

Fall Time vs. Capacitive Load

100

TIME (nsec)

V = 5V

V = 12V

V = 18V

Rise and Fall Times vs. Temperature

C = 2200 pF

V = 18V

TIME (nsec)

–60 –20 20 60 100

FALL

RISE

TA (°C)

140

Propagation Delay Time

vs. Supply Voltage

DELAY TIME (nsec)

1000

CAPACITIVE LOAD (pF)

Propagation Delay Time

vs. Temperature

C = 2200 pF

V = 18V

DELAY TIME (nsec)

–60 –20 20 60 100

TC4420/9-6 10/18/96

TA (°C)

10,000

1000

CAPACITIVE LOAD (pF)

Supply Current vs. Capacitive Load

V = 15V

SUPPLY CURRENT (mA)

140

0 100 1000

CAPACITIVE LOAD (pF)

500 kHz

200 kHz

20 kHz

10,000

4 6 8 1012141618

SUPPLY VOLTAGE (V)

Supply Current vs. Frequency

1000

SUPPLY CURRENT (mA)

C = 2200 pF

100

0 100 1000

FREQUENCY (kHz)

18V

10V 5V

10,000

6A HIGH-SPEED MOSFET DRIVERS

TYPICAL CHARACTERISTICS (Cont.)

TC4420 TC4429

High-State Output Resistance

100 mA

10 mA

OUT

R ( )Ω

5913

71115

50 mA

V (V)

Effect of Input Amplitude

on Propagation Delay

200

LOAD = 2200 pF

160

Low-State Output Resistance

2.5

OUT

R ( )Ω

1.5

5913

71115

V (V)

100 mA

50 mA

10 mA

Total nA•S Crossover*

-9

120

INPUT 2.4V

DELAY TIME (nsec)

INPUT 3V

INPUT 5V

INPUT 8V AND 10V

567 11 13

8 9 10 12 14

V (V)

Crossover Area (A•S) x 10

567 11 13

8 9 10 12 14

SUPPLY VOLTAGE (V)

The values on this graph represent the loss seen by the driver during one complete cycle. For a single transition, divide the value by 2.

TC4420/9-6 10/18/96

TC4420 TC4429

PACKAGE DIMENSIONS

6A HIGH-SPEED MOSFET DRIVERS

8-Pin Plastic DIP

.200 (5.08) .140 (3.56)

.150 (3.81) .115 (2.92)

.045 (1.14) .030 (0.76)

.400 (10.16)

.348 (8.84)

.110 (2.79) .090 (2.29)

.070 (1.78) .040 (1.02)

.022 (0.56) .015 (0.38)

PIN 1

.260 (6.60) .240 (6.10)

.040 (1.02) .020 (0.51)

.015 (0.38) .008 (0.20)

.310 (7.87) .290 (7.37)

3° MIN.

.400 (10.16)

.310 (7.87)

8-Pin CerDIP

.055 (1.40) MAX.

.200 (5.08) .160 (4.06)

.200 (5.08) .125 (3.18)

.110 (2.79) .090 (2.29)

.400 (10.16)

.370 (9.40)

.065 (1.65) .045 (1.14)

.300 (7.62) .230 (5.84)

.040 (1.02) .020 (0.51)

.020 (0.51) .016 (0.41)

PIN 1

.020 (0.51) MIN.

.150 (3.81)

MIN.

.015 (0.38) .008 (0.20)

.320 (8.13) .290 (7.37)

3° MIN.

.400 (10.16)

.320 (8.13)

TC4420/9-6 10/18/96

Dimensions: inches (mm)

6A HIGH-SPEED MOSFET DRIVERS

165 (4.19)

PACKAGE DIMENSIONS (Cont.)

8-Pin SOIC

TC4420 TC4429

5-Pin TO-220

.050 (1.27) TYP.

.117 (2.97) .103 (2.62)

.293 (7.44) .204 (5.18)

.197 (5.00) .189 (4.80)

.020 (0.51) .013 (0.33)

.157 (3.99) .150 (3.81)

.010 (0.25) .004 (0.10)

.415 (10.54)

.390 (9.91)

.244 (6.20) .228 (5.79)

.069 (1.75) .053 (1.35)

.156 (3.96) .140 (3.56)

DIA.

8° MAX.

.050 (1.27) .016 (0.40)

.055 (1.40) .045 (1.14)

.613 (15.57) .569 (14.45)

.010 (0.25) .007 (0.18)

3° - 7.5°

5 PLCS.

.590 (14.99) .482 (12.24)

PIN 1

.273 (6.93) .263 (6.68)

.037 (0.95) .025 (0.64)

.072 (1.83) .062 (1.57)

.025 (0.64) .012 (0.30)

.115 (2.92) .087 (2.21)

Dimensions: inches (mm)

TC4420/9-6 10/18/96

TC4420 TC4429

6A HIGH-SPEED MOSFET DRIVERS

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ASIA/PACIFIC

(continued)

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01/09/01

TC4420/9-6 10/18/96

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MICROCHIP TC4420, TC4429 Technical data

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