UCC37323

Features:

`Industry-Standard Pin-Out
`High Current Drive Capability of ±4 A at the Miller Plateau Region
`Efficient Constant Current Sourcing Using a Unique BiPolar & CMOS Output Stage
` TTL/CMOS Compatible Inputs Independent of Supply Voltage
`20-ns Typical Rise and 15-ns Typical Fall Times with 1.8-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
`Supply Current of 0.3 mA
`Dual Outputs Can Be Paralleled for Higher Drive Current
`Available in Thermally Enhanced MSOP PowerPAD^TM Package with 4.7/W jc
`Rated From 40 to 85


Application

·Switch Mode Power Supplies
·DC/DC Converters
· Motor Controllers
·Line Drivers


Pinout




Specifications

Supply voltage, V_DD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . .. . 0.3 V to 16 V
Output current (OUTA, OUTB) DC, I_{OUT_DC} . . . . . . . . . . . . . . . . . . . . .  .  . . . 0.3 A
Pulsed, (0.5 s), IOUT_PULSED . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . .  . 4.5 A
Power dissipation at T_A = 25 (DGN package) . . . . . . . . . . . . . . . . . . . . .  . .. 3 W
(D package) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650 mW
(P package) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350 mW
Junction operating temperature, T_J . . . . . . . . . . . . . . . . . . . . . . . .  55 to 150
Storage temperature, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 65 to 150
Lead temperature (soldering, 10 sec.), . . . . . . . . . . . . . . . . . . . . . . .  . .  . .. . 300

Stresses beyond 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 beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

All voltages are with respect to GND. Currents are positive into, negative out of the specified terminal.


Description

The UCC37323/4/5 family of high-speed dual MOSFET drivers can deliver large peak currents into capacitive loads.Three standard logic options are offered dual-inverting, dual-noninverting and one-inverting and one-noninverting driver. The thermally enhanced 8-pin PowerPAD^TM MSOP package (DGN) drastically lowers the thermal resistance to improve long-term reliability. It is also offered in the standard SOIC-8 (D) or PDIP-8 (P) packages.

Using a design that inherently minimizes shoot-through current, these drivers deliver 4-A of current where it is needed most at the Miller plateau region during the MOSFET switching transition. A unique BiPolar and MOSFET hybrid output stage in parallel also allows efficient current sourcing and sinking at low supply voltages.