A4491EESTR-T
RoHS 
RoHS compliant
RoHS compliantPackage 20-WFQFN Exposed Pad
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Regulators
Description
A4491 Tape & Reel (TR) Matte Tin (Sn) Active DC to DC switching regulator 12V 4mm 2.2A 550kHz
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Buying Options
Total Price: USD $1.68
Unit Price: USD $1.6808
≥1 USD $1.6808
≥10 USD $1.50744
≥100 USD $1.42208
≥500 USD $1.211584
≥1000 USD $1.137664
≥3000 USD $0.995456
Inventory: 9083
Minimum: 1
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Technical Details
Compliance
RoHS Status ROHS3 Compliant
Dimensions
Width 4mm
Length 4mm
Height Seated (Max) 0.8mm
Technical
Min Output Voltage 800mV
Synchronous Rectifier No
Frequency - Switching 550kHz
Control Mode CURRENT-MODE
Topology Buck
Voltage - Output (Min/Fixed) 0.8V
Max Output Voltage 20.7V
Output Current 2.2A
Output Configuration Positive
Analog IC - Other Type SWITCHING REGULATOR
Input Voltage-Nom 12V
Voltage - Input (Min) 4.5V
Output Type Adjustable
Output Voltage 800mV
Voltage - Input (Max) 23V
Number of Outputs 3
Function Step-Down
Base Part Number A4491
Time@Peak Reflow Temperature-Max (s) 40
Terminal Pitch 0.5mm
Peak Reflow Temperature (Cel) 260
Terminal Position QUAD
Subcategory Switching Regulator or Controllers
Terminal Finish Matte Tin (Sn)
ECCN Code EAR99
Number of Terminations 20
Moisture Sensitivity Level (MSL) 2 (1 Year)
Part Status Active
Pbfree Code yes
JESD-609 Code e3
Published 2011
Packaging Tape & Reel (TR)
Operating Temperature -40°C~85°C TA
Physical
Number of Pins 20
Package / Case 20-WFQFN Exposed Pad
Mounting Type Surface Mount
Mount Surface Mount
Supply Chain
Factory Lead Time 8 Weeks
Alternative Model
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