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IR2121PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
IR2121 & (PbF)
4 www.irf.com
Lead Definitions
Lead
Symbol Description
V
CC
Logic and gate drive supply
IN Logic input for gate driver output (OUT), in phase with OUT
ERR Serves multiple functions; status reporting, linear mode timing and cycle by cycle logic
shutdown
COM Logic ground
OUT
Gate drive output
V
S
Gate drive supply return
CS
Current sense input to current sense comparator
Functional Block Diagram
Lead Assignments
8 Lead PDIP




















IR2121 & (PbF)
www.irf.com 5
Figure 3. Switching Time Waveform Definitions Figure 4. ERR Shutdown Waveform Definitions
Figure 1. Input/Output Timing Diagram Figure 2. Switching Time Test Circuit
Figure 5. CS Shutdown Waveform Definitions Figure 6. CS to ERR Waveform Definitions










 
 















=× =×







IR2121 & (PbF)
6 www.irf.com
Figure 8A. Turn-Off Time vs. Temperature Figure 8B. Turn-Off Time vs. Voltage
Figure 7A. Turn-On Time vs. Temperature Figure 7B. Turn-On Time vs. Voltage
Figure 9B. ERR to Output Shutdown vs. VoltageFigure 9A. ERR to Output Shutdown vs. Temperature
0
100
200
300
400
500
-50 -25 0 25 50 75 100 125
Temperature (°C)
Turn-On Delay Time (ns)
Max.
Typ.
0
100
200
300
400
500
10 12 14 16 18 20
V
BIAS
Supply Voltage (V)
Turn-On Time (ns)
Max.
Typ.
0
100
200
300
400
500
-50 -25 0 25 50 75 100 125
Temperature (°C)
Turn-Off Delay Time (ns)
Max.
Typ.
0
100
200
300
400
500
10 12 14 16 18 20
V
BIAS
Supply Voltage (V)
Turn-Off Time (ns)
Max.
Typ.
0.00
1.00
2.00
3.00
4.00
5.00
-50 -25 0 25 50 75 100 125
Temperature (°C)
ERR to Output Shutdown Delay Time (µs)
Max.
Typ.
0.00
1.00
2.00
3.00
4.00
5.00
10 12 14 16 18 20
V
BIAS
Supply Voltage (V)
ERR to Output Shutdown Delay Time (µs)
Max.
Typ.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

IR2121PBF

Mfr. #:
Buy IR2121PBF
Manufacturer:
Infineon Technologies
Description:
Gate Drivers 1 CURRENT LIMIT PRGM SHUTDOWN ERROR PIN
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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