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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The UCC27321D is a single high-speed low-side MOSFET Driver with enable function. The high-speed driver delivers 9A of peak drive current in an industry standard pin-out. This driver 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 and design complexity. 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 the Miller plateau region during the MOSFET switching transition. Unique hybrid output stage paralleling bipolar and MOSFET transistor (TrueDrive) allows efficient current delivery at low supply voltages. With this drive architecture, UCC3732x can be used in industry standard 6, 9 and many 12A driver applications. Latch-up and ESD protection circuitries are also included.
Industry-standard pin-out with addition of enable function
High-peak current drive capability of ±9A at the Miller plateau region using TrueDrive
Efficient constant current sourcing using a unique bipolar and CMOS output stage
TTL/CMOS compatible inputs independent of supply voltage
20ns Typical rise and fall time with 10nF load
Green product and no Sb/Br

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UCC27321D Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Supply Voltage (DC)	15.0V (max)
Power Rating	650 mW
Rise/Fall Time	20 ns
Number of Outputs	1 Output
Output Voltage	150 mV
Output Current	9 A
Number of Channels	1 Channel
Number of Positions	8 Position
Power Dissipation	650 mW
Rise Time	35 ns
Output Voltage (Max)	300 mV
Fall Time	20 ns
Fall Time (Max)	30 ns
Fall Time (Max)	70 ns
Operating Temperature (Max)	105 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	650 mW
Supply Voltage	4V ~ 15V
Supply Voltage (Max)	15 V
Supply Voltage (Min)	4 V
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Operating Temperature	-40℃ ~ 105℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

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