Texas Instruments UCC27511DBVR
- Part Number:
- UCC27511DBVR
- Manufacturer:
- Texas Instruments
- Ventron No:
- 3253688-UCC27511DBVR
- Description:
- 4-A/8-A single-channel gate driver with 5-V UVLO, split outputs, and 13-ns Prop delay
- Datasheet:
- ucc27511
- Number of channels1
- Power switchGaNFET
- Peak output current (A)8
- Input VCC (min) (V)4.5
- Input VCC (max) (V)18
- FeaturesSplit Output
- Operating temperature range (°C)-40 to 140
- Fall time (ns)7
- Propagation delay time (μs)0.013
- Input thresholdCMOS
- Channel input logicInverting
- Input negative voltage (V)0
- RatingCatalog
- Undervoltage lockout (typ) (V)4
- Driver configurationInverting
The UCC27511 and UCC27512 single-channel, high-speed, low-side gate-driver device can effectively drive MOSFET and IGBT power switches. Using a design that inherently minimizes shoot-through current, UCC27511 and UCC27512 are capable of sourcing and sinking high peak-current pulses into capacitive loads offering rail-to-rail drive capability and extremely small propagation delay, typically 13 ns.
UCC27511 features a dual-input design which offers flexibility of implementing both inverting (IN pin) and noninverting (IN pin) configuration with the same device. Either IN or IN pin can be used to control the state of the driver output. The unused input pin can be used for enable and disable functions. For safety purpose, internal pullup and pulldown resistors on the input pins ensure that outputs are held low when input pins are in floating condition. Hence the unused input pin is not left floating and must be properly biased to ensure that driver output is in enabled for normal operation.
The input pin threshold of the UCC27511 device is based on TTL and CMOS-compatible low-voltage logic which is fixed and independent of the VDD supply voltage. Wide hysteresis between the high and low thresholds offers excellent noise immunity.
The UCC27511 and UCC27512 provides 4-A source, 8-A sink (asymmetrical drive) peak-drive current capability. Strong sink capability in asymmetrical drive boosts immunity against parasitic, Miller turnon effect. The UCC27511 device also features a unique split output configuration where the gate-drive current is sourced through OUTH pin and sunk through OUTL pin. This unique pin arrangement allows the user to apply independent turnon and turnoff resistors to the OUTH and OUTL pins respectively and easily control the switching slew rates.
UCC27511 and UCC27512 are designed to operate over a wide VDD range of 4.5 to 18 V and wide temperature range of 40°C to 140°C. Internal Undervoltage Lockout (UVLO) circuitry on VDD pin holds output low outside VDD operating range. The capability to operate at low voltage levels such as below 5 V, along with best-in-class switching characteristics, is especially suited for driving emerging wide band-gap power-switching devices such as GaN power-semiconductor devices.
MOSFET DRVR 8A 1-OUT Lo Side Inv/Non-Inv 6-Pin SOT-23 T/R
Buffer/Inverter Based MOSFET Driver, 8A, BICMOS, PDSO6
Driver, Mosfet/Igbt, 6Sot-23; Driver Configuration:Low Side; Peak Output Current:8A; Supply Voltage Min:4.5V; Supply Voltage Max:18V; Driver Case Style:Sot-23; No. Of Pins:6Pins; Input Delay:-; Output Delay:-; Operating Temperature Rohs Compliant: Yes |TEXAS INSTRUMENTS UCC27511DBVR
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