IR2121 International Rectifier, IR2121 Datasheet

IC MOSFET DRIVER LOW-SIDE 8-DIP

IR2121

Manufacturer Part Number
IR2121
Description
IC MOSFET DRIVER LOW-SIDE 8-DIP
Manufacturer
International Rectifier
Datasheet

Specifications of IR2121

Configuration
Low-Side
Input Type
Non-Inverting
Delay Time
150ns
Current - Peak
1.6A
Number Of Configurations
1
Number Of Outputs
1
Voltage - Supply
12 V ~ 18 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
High Side Voltage - Max (bootstrap)
-
Other names
*IR2121

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Features
Description
Typical Connection
CURRENT LIMITING LOW SIDE DRIVER
Product Summary
Package
t
on/off
V
V
OFFSET
V
I
O
CSth
OUT
+/-
(typ.)
IR2121 & (PbF)
Data Sheet No. PD60018 - M
150 & 150 ns
5V max.
12 - 18V
230 mV
1A / 2A

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IR2121 Summary of contents

Page 1

... CURRENT LIMITING LOW SIDE DRIVER Features Description Typical Connection Data Sheet No. PD60018 - M IR2121 & (PbF) Product Summary V 5V max. OFFSET I +/- 18V OUT V 230 mV CSth t (typ.) 150 & 150 ns on/off Package ...

Page 2

... IR2121 & (PbF) Absolute Maximum Ratings Recommended Operating Conditions ° ° ° ° ...

Page 3

... Dynamic Electrical Characteristics Static Electrical Characteristics ° ° IR2121 & (PbF) µ µ µ µ µ µ ...

Page 4

... IR2121 & (PbF) Functional Block Diagram Lead Definitions Lead Assignments ...

Page 5

... Figure 1. Input/Output Timing Diagram Figure 3. Switching Time Waveform Definitions Figure 5. CS Shutdown Waveform Definitions IR2121 & (PbF) Figure 2. Switching Time Test Circuit Figure 4. ERR Shutdown Waveform Definitions Figure ERR Waveform Definitions ...

Page 6

... IR2121 & (PbF) 500 400 300 200 Max. Typ. 100 0 -50 - Temperature (°C) Figure 7A. Turn-On Time vs. Temperature 500 400 300 200 Max. Typ. 100 0 -50 - Temperature (°C) Figure 8A. Turn-Off Time vs. Temperature 5.00 4.00 3.00 Max. 2.00 Typ. 1.00 0.00 -50 - Temperature (°C) Figure 9A ...

Page 7

... Figure 10B. Turn-On Rise Time vs. Voltage 100 80 60 Max. 40 Typ 100 125 10 12 Figure 11B. Turn-Off Fall Time vs. Voltage 2.00 1.60 Max. 1.20 Typ. 0.80 0.40 0. 100 125 Figure 12B Output Shutdown vs. Voltage IR2121 & (PbF Supply Voltage (V) BIAS Supply Voltage (V) BIAS Supply Voltage (V) BIAS ...

Page 8

... IR2121 & (PbF) 20.0 16.0 Max. 12.0 Typ. 8.0 4.0 0.0 -50 - Temperature (°C) Figure 13A ERR Pull-Up vs. Temperature 5.00 4.00 3.00 Min. 2.00 1.00 0.00 -50 - Temperature (°C) Figure 14A. Logic “1” Input Threshold vs. Temperature 5.00 4.00 3.00 2.00 1.00 Max. ...

Page 9

... Max. Typ. 200 Min. 100 0 75 100 125 10 Figure 17B. CS Input Threshold (-) vs. Voltage 1.00 0.80 0.60 0.40 0.20 Max. 0.00 75 100 125 10 Figure 18B. High Level Output vs. Voltage IR2121 & (PbF Floating Supply Voltage ( Floating Supply Voltage ( Floating Supply Voltage ( ...

Page 10

... IR2121 & (PbF) 1.00 0.80 0.60 0.40 0.20 Max. 0.00 -50 - Temperature (°C) Figure 19A. Low Level Output vs. Temperature 5.00 4.00 3.00 Max. 2.00 1.00 Typ. 0.00 -50 - Temperature (°C) Figure 20A. V Supply Current vs. Temperature Max. 5 Typ. 0 -50 - Temperature (°C) Figure 21A. Logic “1” Input Current vs. Temperature 1 ...

Page 11

... Typ. 5.0 0.0 75 100 125 10 Figure 23B. “High” CS Bias Current vs. Voltage 5.00 4.00 3.00 2.00 Max. 1.00 0.00 75 100 125 10 Figure 24B. “Low” CS Bias Current vs. Voltage IR2121 & (PbF Logic Supply Voltage ( Floating Supply Voltage ( Floating Supply Voltage (V) ...

Page 12

... IR2121 & (PbF) 11.0 10.0 Max. Typ. 9.0 Min. 8.0 7.0 6.0 -50 - Temperature (°C) Figure 25. V Undervoltage (+) vs. Temperature CC 250 200 150 Max. Typ. 100 Min -50 - Temperature (°C) Figure 27A. ERR Timing Charge Current vs. Temperature 25.0 20.0 Typ. 15.0 Min. 10.0 5.0 ...

Page 13

... Typ. 1.00 Min. 0.50 0.00 75 100 125 10 Figure 30B. Output Source Current vs. Voltage 5.00 4.00 3.00 Typ. 2.00 Min. 1.00 0.00 75 100 125 10 Figure 31B. Output Sink Current vs. Voltage IR2121 & (PbF Logic Supply Voltage ( Floating Supply Voltage ( Floating Supply Voltage ( ...

Page 14

... IR2121 & (PbF) 300 250 200 150 100 Input Voltage (V) Figure 32A. Turn-On Time vs. Input Voltage 0.00 -3.00 -6.00 -9.00 -12.00 -15.00 Figure 33. Maximum V 300 250 200 150 100 Figure 32B. Turn-Off Time vs. Input Voltage Typ Floating Supply Voltage (V) BS Negative Offset vs. Supply ...

Page 15

... Case outline IR2121 & (PbF) 8-Lead PDIP ...

Page 16

... IR WORLD HEADQUARTERS: IRxxxxxx YWW? ?XXXX (Prod mode - 4 digit SPN code) Assembly site code Per SCOP 200-002 Leadfree Part 8-Lead PDIP IR2121 order IR2121PbF This product has been qualified per industrial level Data and specifications subject to change without notice. IR logo Lot Code 9/13/2004 ...

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