UCC27211A Texas instruments

UCC27211A

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UCC27211A

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Описание

The UCC27211A driver is based on the popular UCC27201 MOSFET drivers; but, this device offers several significant performance improvements. Peak output pullup and pulldown current has been increased to 4-A source and 4-A sink, and pullup and pulldown resistance have been reduced to 0.9 Ω, and thereby allows for driving large power MOSFETs with minimized switching losses during the transition through the Miller Plateau of the MOSFET. The input structure can directly handle –10 VDC, which increases robustness and also allows direct interface to gate-drive transformers without using rectification diodes. The inputs are also independent of supply voltage and have a 20-V maximum rating.

Drives Two N-Channel MOSFETs in High-Side
and Low-Side Configuration With Independent
Inputs
Maximum Boot Voltage 120-V DC
4-A Sink, 4-A Source Output Currents
0.9-Ω Pullup and Pulldown Resistance
Input Pins Can Tolerate –10 V to +20 V and are
Independent of Supply Voltage Range
TTL or Pseudo-CMOS Compatible Input Versions
8-V to 17-V VDD Operating Range, (20-V ABS
MAX)
7.2-ns Rise and 5.5-ns Fall Time With 1000-pF
Load
Fast Propagation Delay Times (20-ns typical)
4-ns Delay Matching
Symmetrical Undervoltage Lockout for High-Side
and Low-Side Driver
All Industry Standard Packages Available
- SOIC-8
- 4-mm × 4-mm SON-8
- 4-mm × 4-mm SON-10
Specified from –40 to +140°C

Bus voltage (max) (V)	110
Power switch	MOSFET
Input VCC (min) (V)	8
Input VCC (max) (V)	17
Peak output current (A)	4
Operating temperature range (°C)	-40 to 140
Undervoltage lockout (typ) (V)	8
Rating	Catalog
Propagation delay time (µs)	0.02
Rise time (ns)	8
Fall time (ns)	7
Iq (mA)	0.001
Input threshold	TTL
Channel input logic	TTL
Negative voltage handling at HS pin (V)	-12
Features	Negative voltage handling
Driver configuration	Dual, Noninverting, TTL compatible