IR3891MTRPBF
RoHS 
RoHS compliant
RoHS compliantPackage 31-PowerVFQFN
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Regulators
Description
IR3891 Tape & Reel (TR) Active Step-Down DC to DC switching regulator 21V 5.1mm 4A 300kHz~1.5MHz
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Buying Options
Total Price: USD $1.38
Unit Price: USD $1.3832
≥1 USD $1.3832
≥10 USD $1.13525
≥100 USD $1.09915
≥500 USD $1.064
≥1000 USD $1.02885
Inventory: 1150
Minimum: 1
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Technical Details
Compliance
Lead Free Lead Free
RoHS Status ROHS3 Compliant
REACH SVHC No SVHC
Radiation Hardening No
Dimensions
Width 5.1mm
Technical
Voltage - Output (Max) 18.06V
Min Output Voltage 500mV
Synchronous Rectifier Yes
Max Input Voltage 21V
Frequency - Switching 300kHz~1.5MHz
Min Input Voltage 1V
Topology Buck
Voltage - Output (Min/Fixed) 0.5V
Max Output Voltage 18.06V
Current - Output 4A
Output Configuration Positive
Nominal Supply Current 17mA
Min Supply Voltage 5V
Voltage - Input (Min) 1V
Operating Supply Voltage 21V
Max Output Current 4A
Output Type Adjustable
Output Voltage 18.06V
Voltage - Input (Max) 21V
Number of Outputs 2
Function Step-Down
Base Part Number IR3891
Min Operating Temperature -40°C
Max Operating Temperature 125°C
Moisture Sensitivity Level (MSL) 2 (1 Year)
Part Status Active
Series SupIRBuck?
Published 2002
Packaging Tape & Reel (TR)
Operating Temperature -40°C~125°C TJ
Physical
Supplier Device Package PQFN (5x6)
Number of Pins 31
Package / Case 31-PowerVFQFN
Mounting Type Surface Mount
Mount Surface Mount
Supply Chain
Factory Lead Time 25 Weeks
Alternative Model
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