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Part Number: IR21271(S)
Description: The IR2127/IR2128/IR21271(S) is a high voltage, high speed power MOSFET and IGBT driver. Proprietary H...
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IR21271(S)
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General Description
IR21271(S) General Description
The IR2127/IR2128/IR21271(S) is a high voltage, high speed power MOSFET and IGBT driver. Proprietary HVIC and latch immune CMOS technologies enable
ruggedized monolithic construction. The logic input is compatible with standard CMOS or LSTTL outputs, down to 3.3V. The protection circuity detects over-cur-rent in the driven power transistor and terminates the gate drive voltage. An open drain FAULT signal is pro-vided to indicate that an over-current shutdown has oc-curred. The output driver features a high pulse current buffer stage designed for minimum cross-conduction.The floating channel can be used to drive an N-chan-nel power MOSFET or IGBT in the high side or low side configuration which operates up to 600 volts.
IR21271(S) Maximum Ratings
|
Symbol |
Definition |
Min. |
Max. |
Units |
|
VB |
High side floating supply 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 fixed supply voltage |
-0.3 |
25 | |
|
VIN |
Logic Input Voltage |
-0.3 |
VCC + 0.3 | |
|
VFLT |
FAULT Output 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°C (8 lead PDIP) |
- |
1.0 |
W |
|
(8 lead SOIC) |
- |
0.625 | ||
|
RTHJA |
Thermal resistance, junction to ambient (8 lead PDIP) |
- |
125 |
°C/W |
|
(8 lead SOIC) |
- |
200 | ||
|
TJ |
Junction temperature |
- |
150 |
°C |
|
TS |
Storage temperature |
-55 |
150 | |
|
TL |
Lead temperature (soldering, 10 seconds) |
- |
300 |
IR21271(S) Features
• Floating channel designed for bootstrap operation Fully operational to +600V Tolerant to negative transient voltage dV/dt immune
• Application- specific gate drive range: Motor Drive: 12 to 20V (IR2127/IR2128) Automotive: 9 to 20V (IR21271)
• Undervoltage lockout
• 3.3V, 5V and 15V input logic compatible
• FAULT lead indicates shutdown has occured
• Output in phase with input (IR2127/IR21271)
• Output out of phase with input (IR2128)
• Application- specific gate drive range: Motor Drive: 12 to 20V (IR2127/IR2128) Automotive: 9 to 20V (IR21271)
• Undervoltage lockout
• 3.3V, 5V and 15V input logic compatible
• FAULT lead indicates shutdown has occured
• Output in phase with input (IR2127/IR21271)
• Output out of phase with input (IR2128)
IR21271(S) Connection Diagram
IR21271(S)
PDF/DataSheet Download
- Datasheet: IR21271(S)
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