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L4973D3.3-013TR
STMicroelectronicsRoHS 
RoHS compliant
RoHS compliantPackage 20-SOIC (0.295, 7.50mm Width)
Category PMIC - Voltage Regulators - DC DC Switching Regulators / PMIC - Voltage Regulators - DC DC Switching Regulators
Description
L4973 Cut Tape (CT) Nickel/Palladium/Gold (Ni/Pd/Au) ACTIVE (Last Updated: 7months ago) DC to DC switching regulator 24V 7.5mm 3.5A 100kHz~300kHz
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Pricing & Ordering
Inventory: 10
Minimum: 1
Total Price: USD $4.52
Unit Price: USD $4.521628
≥1 USD $4.521628
≥10 USD $4.415283
≥30 USD $4.344386
Technical Details
Supply Chain
Factory Lead Time 25 Weeks
Lifecycle Status ACTIVE (Last Updated: 7 months ago)
Physical
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295, 7.50mm Width)
Number of Pins 20
Technical
Operating Temperature -40°C~150°C TJ
Packaging Cut Tape (CT)
JESD-609 Code e4
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 20
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Subcategory Switching Regulator or Controllers
Technology BCDMOS
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 250
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number L4973
Function Step-Down
Number of Outputs 1
Efficiency 85 %
Voltage - Input (Max) 55V
Output Voltage 50V
Output Type Adjustable (Fixed)
Max Output Current 3.5A
Operating Supply Voltage 55V
Voltage - Input (Min) 8V
Input Voltage-Nom 24V
Analog IC - Other Type SWITCHING REGULATOR
Output Configuration Positive
Voltage - Output (Min/Fixed) 0.5V 3.3V
Topology Buck
Control Mode VOLTAGE-MODE
Frequency - Switching 100kHz~300kHz
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier No
Dimensions
Height Seated (Max) 2.65mm
Width 7.5mm
Compliance
RoHS Status ROHS3 Compliant
Lead Free Lead Free
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