UCC27511A Texas instruments

UCC27511A

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UCC27511A

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Описание

The UCC27511A device is a compact gate driver that offers superior replacement of NPN and PNP discrete driver (buffer circuit) solutions. The UCC27511Asingle-channel low-side, high-speed gate driver rated for MOSFETs, IGBTs, and emerging wide-bandgap power devices such as GaN. The device features fast rise times, fall times, and propagation delays, making the UCC27511A device suitable for high-speed applications. Its asymmetrical 4-A peak source and 8-A peak sink currents boost immunity against parasitic Miller turnon effect. The split output configuration enables easy and independent adjustment of rise and fall times using only two resistors and eliminating the need for an external diode. Features including wide input hysteresis and negative input voltage handling enhance transient immunity.

Input Pins Capable of Withstanding –5 V Below GND pin
Low-Cost Gate-Driver Device Offering Superior Replacement of NPN and PNP Discrete Solutions
Strong Sink Current Offers Enhanced Immunity Against Miller Turnon
Split Output Configuration (Allows Easy and Independent Adjustment of Turnon and Turnoff Speeds)
Fast Propagation Delays (13-ns typical)
Fast Rise and Fall Times (9-ns and 7-ns typical)
4.5 to 18-V Single Supply Range
Outputs Held Low During V_DD UVLO (Ensures Glitch-Free Operation at Power Up and Power Down)
TTL and CMOS Compatible Input-Logic Threshold (Independent of Supply Voltage)
Wide Hysteresis (1-V typical) for High-Noise Immunity
Dual-Input Design (Choice of an Inverting (IN– Pin) or Non-Inverting (IN+ Pin) Driver Configuration)
- Unused Input Pin can be Used for Enable or Disable Function
Output Held Low when Input Pins are Floating
Input Pin Absolute Maximum Voltage Levels Not Restricted by V_DD Pin Bias Supply Voltage

Number of channels	1
Power switch	GaNFET, IGBT, MOSFET
Peak output current (A)	8
Input VCC (min) (V)	4.5
Input VCC (max) (V)	18
Features	Split Output
Operating temperature range (°C)	-40 to 140
Rise time (ns)	9
Fall time (ns)	7
Propagation delay time (µs)	0.013
Input threshold	CMOS, TTL
Channel input logic	Inverting, Non-Inverting
Input negative voltage (V)	-5
Rating	Catalog
Undervoltage lockout (typ) (V)	4
Driver configuration	Dual inputs