Dual 4-A Peak High-Speed Low-Side Power-MOSFET Drivers - Texas Instruments
Description
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UCC27323, UCC27324, UCC27325 UCC37323, UCC37324, UCC37325
SLUS492J – JUNE 2001 – REVISED SEPTEMBER 2018
UCCx732x Dual 4-A Peak High-Speed Low-Side Power-MOSFET Drivers
1 Features
•1 Bi-CMOS Output Architecture • ±4 A Drive Current at the Miller Plateau Region • Constant-Current Even at Low Supply Voltages • Outputs Paralleled for Higher Drive Current • Available in MSOP-PowerPAD™ Package • TTL/CMOS Inputs Independent of Supply Voltage • Industry-Standard Pin-Out
2 Applications
• Switch-Mode Power Supplies • DC-DC Converters • Solar Inverters, Motor Control, UPS
3 Description
The UCC2732x and UCC3732x family of high-speed dual-MOSFET Drivers deliver 4-A source and 4-A sink peak current to effectively drive MOSFETs where it is needed most at the Miller Plateau Region.
A unique BiPolar and MOSFET hybrid output stage in parallel also allows efficient current sourcing and sinking at low supply voltages.
Three standard logic options are offered — dual-inverting, dualnoninverting, and one-inverting and one-noninverting driver.
Input thresholds are based on TTL and CMOS and independent of supply voltage and feature wide input hysteresis offering excellent noise immunity.
The UCC2732x and UCC3732x family is available in the standard SOIC-8 (D) or PDIP-8 (P) packages as well as the thermally enhanced -8pin PowerPAD MSOP package (DGN), drastically lowering thermal resistance to improve long term reliability.
DEVICE UCCx732x
Device Information(1)
KEY SPECS
PACKAGE
-40C <= Temp <= 125C
4.
5V <= VDD<= 15V 20ns/15ns - Rise/Fall times @ 1.
8nF load 35ns/25ns Rise/Fall
Prop Delay
SOIC (8): 4.
90 mm × 3.
91 mm
MSOP-PowerPAD (8): 3.
00 mm × 3.
00 mm
PDIP (8): 9.
81 mm × 6.
35 mm
(1) For all available packages, see the orderable addendum at the end of the data sheet.
Simplified Application Diagram
UCCx732x
1 N/C
N/C 8
INA
2 INA
OUTA 7
3 GND
VDD 6
INB
4 INB
OUTB 5
0.
1 μF
1.
0 μF
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