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See Technical Specifications

UCC27322DGN

9-A/9-A single-channel gate driver with split outputs and enable

Manufacturer:

Texas Instruments
Mfr.Part #:

UCC27322DGN
Datasheet:

UCC27322DGN Datasheet (PDF)
Product:

MOSFET Gate Drivers
Type:

Low-Side
Mounting Style:

SMD/SMT
Number of Drivers:

1 Driver
EDA/CAD Models:

Request Free CAD Models for UCC27322DGN

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UCC27322DGN General Description

The UCC2732x/UCC3732x family of high-speed drivers deliver 9 A of peak drive current in an industry standard pinout. These drivers can drive the largest of MOSFETs for systems requiring extreme Miller current due to high dV/dt transitions. This eliminates additional external circuits and can replace multiple components to reduce space, design complexity, and assembly cost. Two standard logic options are offered, inverting (UCC37321) and noninverting (UCC37322).

Using a design that inherently minimizes shoot-through current, the outputs of these can provide high gate drive current where it is most needed at theMiller plateau region during the MOSFET switching transition. A unique hybrid output stage paralleling bipolar and MOSFET transistors (TrueDrive) allows efficient current delivery at low supply voltages. With this drive architecture, UCC3732x can be used in industry standard 6-A, 9-A and many 12-A driver applications. Latch up and ESD protection circuitries are also included. Finally, the UCC3732x provides an enable (ENBL) function to have better control of the operation of the driver applications. ENBL is implemented on pin 3, which was previously left unused in the industry standard pinout. It is internally pulled up to V_DD for active high logic and can be left open for standard operation.

In addition to the 8-pin SOIC (D) and 8-pin PDIP (P) package offerings, the UCC3732x also comes in the thermally enhanced but tiny 8-pin MSOP PowerPAD™ (DGN) package. The PowerPAD package drastically lowers the thermal resistance to extend the temperature operation range and improve the long-term reliability.

Key Features

Industry-Standard Pin-Out With Addition of Enable
Function
High-Peak Current Drive Capability of ±9 A at
theMiller plateau region Using TrueDrive
Efficient Constant Current Sourcing Using a
Unique BiPolar and CMOS Output Stage
TTL/CMOS Compatible Inputs Independent of
Supply Voltage
20-ns Typical Rise and Fall Times With 10-nF
Load
Typical Propagation Delay Times of 25 ns With
Input Falling and 35 ns With Input Rising
4-V to 15-V Supply Voltage
Available in Thermally Enhanced MSOP
PowerPAD™ Package With 4.7°C/W θjc
Rated From –40°C to +105°C
Pb-Free Finish (CU NIPDAU) on 8-pin SOIC and
PDIP Packages

Specifications

Product Category	Gate Drivers	Product	MOSFET Gate Drivers
Type	Low-Side	Mounting Style	SMD/SMT
Number of Drivers	1 Driver	Number of Outputs	1 Output
Output Current	9 A	Supply Voltage - Min	4 V
Supply Voltage - Max	15 V	Rise Time	20 ns
Fall Time	20 ns	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 105 C	Series	UCC27322
Features	Enable Pin	Logic Type	CMOS, TTL
Operating Supply Current	1 mA	Operating Supply Voltage	4 V to 15 V
Pd - Power Dissipation	3 W	Product Type	Gate Drivers
Factory Pack Quantity	80	Subcategory	PMIC - Power Management ICs
Technology	Si	Unit Weight	0.000861 oz