UDG−01063

1

OUTA

ENBA

2

INA

3

GND

7

ENBB

8

INVERTING

NONINVERTING

OUTB

4

5

INVERTING

NONINVERTING

INB

6

VDD

VDD

UCC27424-EP

UCC27423-EP

SLUS704B – FEBRUARY 2007 – REVISED APRIL 2012

www.ti.com

PART NUMBER

MEDIUM

QUANTITY

MSOP-8

PowerPAD™

UCC27424MDGNREP

–55°C to 125°C

Tape and Reel

2500/Reel

SOIC 8 (D)

UCC27423MDREP

(1)

For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

Web site at www.ti.com.

(2)

Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at

www.ti.com/sc/package.

(3)

The PowerPAD package is not directly connected to any leads of the package. However, it is electrically and thermally connected to the

substrate, which is the ground of the device.

BLOCK DIAGRAM

TERMINAL FUNCTIONS

TERMINAL

I/O

DESCRIPTION

NAME

NO.

Enable for driver A with logic-compatible threshold and hysteresis. The driver output can be enabled and

ENBA

1

I

state when the device is disabled is low, regardless of the input state.

Enable for driver B with logic-compatible threshold and hysteresis. The driver output can be enabled and

ENBB

8

I

disabled with this pin. It is pulled up internally to VDD with a 100-k

Ω resistor for active-high operation. The output

state when the device is disabled is low, regardless of the input state.

Common ground. This ground should be connected very closely to the source of the power MOSFET that the

GND

3

driver is driving.

Input A. Input signal of the A driver, which has logic-compatible threshold and hysteresis. If not used, this input

INA

2

I

should be tied to either VDD or GND. It should not be left floating.

Input B. Input signal of the A driver, which has logic-compatible threshold and hysteresis. If not used, this input

INB

4

I

should be tied to either VDD or GND. It should not be left floating.

OUTA

7

O

Driver output A. The output stage is capable of providing 4-A drive current to the gate of a power MOSFET.

OUTB

5

O

Driver output B. The output stage is capable of providing 4-A drive current to the gate of a power MOSFET.

VDD

6

I

Supply. Supply voltage and the power input connection for this device.

2

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