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Part Number: IR21844
Description: The IR2184(4)(S) are high voltage, high speed power MOSFET and IGBT drivers with dependent high and lo...
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IR21844
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DataSheet
General Description
IR21844 General Description
The IR2184(4)(S) are high voltage, high speed power MOSFET and IGBT drivers with dependent high and low side referenced output channels. Proprietary HVIC and latch immune CMOS technologies enable ruggedized monolithic construction. The logic input is compatible with standard CMOS or LSTTL output, down to 3.3V logic. The output drivers feature a high pulse current buffer stage designed forminimum driver cross- conduction. The floating channel can be used to drive an N-channel power MOSFET or IGBT in the high side configuration which operates up to 600 volts.
IR21844 Maximum Ratings
| Symbol | Definition | Min. | Max. |
Units | |
| VB | High side floating absolute voltage | -0.3 | 625 | V | |
| VS | High side floating supply offset voltage | VB - 25 |
VB + 0.3 | ||
| VHO | High side floating output voltage | VS - 0.3 | VB + 0.3 | ||
| VCC | Low side and logic fixed supply voltage | -0.3 | 25 | ||
| VLO | Low side output voltage | -0.3 | VCC + 0.3 | ||
| DT | Programmable dead-time pin voltage (IR21844 only) | VSS - 0.3 | VCC + 0.3 | ||
| VIN | Logic input voltage (IN & SD) | VSS - 0.3 | VSS + 10 | ||
| VSS | Logic ground (IR21844 only) | VCC - 25 | VCC + 0.3 | ||
| dVS/dt | Allowable offset supply voltage transient | - | 50 | V/ns | |
| PD | Package power dissipation @ TA +25 | (8 lead PDIP) | - | 1.0 | W |
| (8 lead SOIC) | - | 0.625 | |||
| (14 lead PDIP) | - | 1.6 | |||
| (14 lead SOIC) | - | 1.0 | |||
| RthJA | Thermal resistance, junction to ambient | (8 lead PDIP) | - | 125 | /W |
| (8 lead SOIC) | - | 200 | |||
| (14 lead PDIP) | - | 75 | |||
| (14 lead SOIC) | - | 120 | |||
| TJ | Junction temperature | - | 150 | ||
| TS | Storage temperature | -50 | 150 | ||
| TL | Lead temperature (soldering, 10 seconds) | - | 300 | ||
IR21844 Features
• Floating channel designed for bootstrap operation
Fully operational to +600V
Tolerant to negative transient voltage
dV/dt immune
• Gate drive supply range from 10 to 20V
• Undervoltage lockout for both channels
• 3.3V and 5V input logic compatible
• Matched propagation delay for both channels
• Logic and power ground +/- 5V offset.
• Lower di/dt gate driver for better noise immunity
• Output source/sink current capability 1.4A/1.8A
Fully operational to +600V
Tolerant to negative transient voltage
dV/dt immune
• Gate drive supply range from 10 to 20V
• Undervoltage lockout for both channels
• 3.3V and 5V input logic compatible
• Matched propagation delay for both channels
• Logic and power ground +/- 5V offset.
• Lower di/dt gate driver for better noise immunity
• Output source/sink current capability 1.4A/1.8A
IR21844 Connection Diagram
IR21844
PDF/DataSheet Download
- Datasheet: IR21844
- File Size: 186367 KB
- Manufacturer: IRF [International Rectifier]
- Click here to Download
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