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MFG:IR Package Cooled:DIP
Part Number: IR2125
MFG: IR
Package Cooled: DIP
Description: The IR2125 is a high voltage, high speed power MOSFET and IGBT driver with over-current limiting prote...
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IR2125
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DataSheet
General Description
IR2125 General Description
The IR2125 is a high voltage, high speed power MOSFET and IGBT driver with over-current limiting protection circuitry. Proprietary HVIC and latch immune CMOS technologies enable ruggedized monolithic construction. Logic inputs are compatible with standard CMOS or LSTTL outputs. The output driver features a high pulse current buffer stage designed for minimum driver cross-conduction. The protection circuitry detects over-current in the driven power transistor and limits the gate drive voltage. Cycle by cycle shutdown is programmed by an external capacitor which directly controls the time interval between detection of the over-current limiting conditions and latched shut-down. The floating channel can be used to drive an N-channel power MOSFET or IGBT in the high or low side configuration which operates up to 500 volts.
IR2125 Maximum Ratings
| Parameter | Value | |||
| Symbol | Definition | Min. | Max. | Units |
| VB | High Side Floating Supply Voltage | -0.3 | 525 | V |
| VS | High Side Floating Offset Voltage | VB - 25 | VB + 0.3 | |
| VHO | High Side Floating Output Voltage | VS - 0.3 | VB + 0.3 | |
| VCC | Logic Supply Voltage | -0.3 | 25 | |
| VIN | Logic Input Voltage | -0.3 | VCC + 0.3 | |
| VERR | Error Signal Voltage | -0.3 | VCC + 0.3 | |
| VCS | Current Sense Voltage | VS - 0.3 | VB + 0.3 | |
| dVs/dt | Allowable Offset Supply Voltage Transient | - | 50 | V/ns |
| PD | Package Power Dissipation @ TA +25 | - | 1.0 | W |
| RJA | Thermal Resistance, Junction to Ambient | - | 125 | /W |
| TJ | Junction Temperature | - | 150 | |
| TS | Storage Temperature | -55 | 150 | |
| TL | Lead Temperature (Soldering, 10 seconds) | - | 300 | |
IR2125 Features
·Floating channel designed for bootstrap operation Fully operational to +500V Tolerant to negative transient voltage dV/dt immune
·Gate drive supply range from 12 to 18V
·Undervoltage lockout
·Current detection and limiting loop to limit driven power transistor current
·Error lead indicates fault conditions and programs shutdown time
·Output in phase with input
·Gate drive supply range from 12 to 18V
·Undervoltage lockout
·Current detection and limiting loop to limit driven power transistor current
·Error lead indicates fault conditions and programs shutdown time
·Output in phase with input
IR2125 Connection Diagram
IR2125
PDF/DataSheet Download
- Datasheet: IR2125
- File Size: 501939 KB
- Manufacturer: IRF [International Rectifier]
- Click here to Download
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