IR3640MPBF
RoHS
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Package 20-VFQFN Exposed Pad
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
IR3640MPBF Buck Tube Positive DC to DC switching controller 27ns 1kA 850mum 21.6V
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Buying Options
Total Price: USD $2.77
Unit Price: USD $2.76545
≥1 USD $2.76545
≥10 USD $2.26955
≥100 USD $2.1983
≥500 USD $2.12705
≥1000 USD $2.05675
Inventory: 66013
Minimum: 1
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Technical Details
Physical
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 20-VFQFN Exposed Pad
Number of Pins 20
Supplier Device Package 20-MLPQ (3x4)
Technical
Operating Temperature -40°C~125°C TJ
Packaging Tube
Published 2009
Part Status Obsolete
Moisture Sensitivity Level (MSL) 2 (1 Year)
Max Operating Temperature 125°C
Min Operating Temperature -40°C
Base Part Number IR3640MPBF
Function Step-Down
Number of Outputs 1
Output Voltage 21.6V
Output Type Transistor Driver
Max Supply Voltage 5.5V
Min Supply Voltage 4.5V
Output Configuration Positive
Output Current 1kA
Voltage - Supply (Vcc/Vdd) 4.5V~5.5V
Control Features Current Limit, Enable, Frequency Control, Power Good, Sequencing, Soft Start
Topology Buck
Frequency - Switching 225kHz~1.65MHz
Rise Time 40ns
Synchronous Rectifier Yes
Fall Time (Typ) 27 ns
Max Frequency 1.65MHz
Max Duty Cycle 92 %
Duty Cycle (Max) 92%
Clock Sync Yes
Output Phases 1
Dimensions
Height 850μm
Length 3.1mm
Width 4.1mm
Compliance
REACH SVHC No SVHC
RoHS Status RoHS Compliant
Lead Free Lead Free
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