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LM5642XMT/NOPB
Texas InstrumentsRoHS 
RoHS compliant
RoHS compliantPackage 28-TSSOP (0.173, 4.40mm Width)
Category PMIC - Voltage Regulators - DC DC Switching Controllers / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
LM5642 Buck Tube e3 DC to DC switching controller 1.1mA 20A 402.988471mg 32.4V
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Inventory: 3423
Minimum: 1
Total Price: USD $2.47
Unit Price: USD $2.474155
≥1 USD $2.474155
≥10 USD $2.334106
≥100 USD $2.201991
≥500 USD $2.077342
≥1000 USD $1.959762
Technical Details
Supply Chain
Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 6 days ago)
Technical
Operating Temperature -40°C~125°C TJ
Packaging Tube
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 28
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Terminal Pitch 0.65mm
Base Part Number LM5642
Function Step-Down
Number of Outputs 2
Output Voltage 32.4V
Output Type Transistor Driver
Input Voltage-Nom 5V
Analog IC - Other Type DUAL SWITCHING CONTROLLER
Output Configuration Positive
Output Current 20A
Voltage - Supply (Vcc/Vdd) 4.5V~36V
Quiescent Current 1.1mA
Control Features Current Limit, Enable, Soft Start
Max Output Voltage 32.4V
Topology Buck
Min Input Voltage 4.5V
Control Mode CURRENT-MODE
Frequency - Switching 375kHz
Max Input Voltage 36V
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier Yes
Min Output Voltage 1.3V
Switcher Configuration PUSH-PULL
Max Frequency 424kHz
Max Duty Cycle 98.9 %
Dimensions
Height 1.2mm
Length 9.7mm
Width 4.4mm
Thickness 1mm
Compliance
Radiation Hardening No
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Physical
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 28-TSSOP (0.173, 4.40mm Width)
Number of Pins 28
Weight 402.988471mg
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