IR2121

Series: -
Configuration: Low-Side
Type: -
On-State Resistance: -
Current - Output / Channel: -
Current - Peak Output: -
High Side Voltage - Max (Bootstrap): -
Mounting Type: Through Hole
Package / Case: 8-DIP (0.300", 7.62mm)
Packaging: Tube
Number of Configurations: 1
Number of Outputs: 1
Operating Temperature: -40°C ~ 125°C
Input Type: Non-Inverting
Supplier Device Package: 8-DIP
Manufacturer: International Rectifier
Delay Time: 150ns
Voltage - Supply: 12 V ~ 18 V
Current - Peak: 1.6A


Features:

·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


Pinout




Specifications

	Parameter	Value
Symbol	Definition	Min.	Max.	Units
VCC	Fixed Supply Voltage	-0.3	25	V
VS	Gate Drive Return Voltage	VCC - 25	VCC + 0.3
VO	Output Voltage	VS - 0.3	VCC + 0.3
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	VCC + 0.3
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

Description

The IR2121 is a high speed power MOSFET and IGBT driver with over-current limiting protection circuitry. Latch immune CMOS technology enables 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 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 condition and latched shutdown. The output of IR2121 can be used to drive an N-channel power MOSFET or IGBT in the low side configuration.

Parameters:

Technical/Catalog Information	IR2121
Vendor	International Rectifier
Category	Integrated Circuits (ICs)
Configuration	Low-Side
Voltage - Supply	12 V ~ 18 V
Current - Peak	1.6A
Delay Time	150ns
Package / Case	8-DIP (300 mil)
Packaging	Tube
Number of Outputs	1
Input Type	Non-Inverting
Number of Configurations	1
Operating Temperature	-40°C ~ 125°C
High Side Voltage - Max (Bootstrap)	-
Lead Free Status	Contains Lead
RoHS Status	RoHS Non-Compliant
Other Names	IR2121 IR2121