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E-L4973V3.3

STMicroelectronics
RoHS
RoHS RoHS compliant
Package 18-DIP (0.300, 7.62mm)
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Regulators
Description L4973 Tube Obsolete Step-Down DC to DC switching regulator 24V 7.62mm 3.5A 100kHz~300kHz
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Technical Details

Physical

Mount Through Hole
Mounting Type Through Hole
Package / Case 18-DIP (0.300, 7.62mm)
Number of Pins 18

Technical

Operating Temperature -40°C~150°C TJ
Packaging Tube
Pbfree Code yes
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 18
ECCN Code EAR99
Subcategory Switching Regulator or Controllers
Technology BCDMOS
Terminal Position DUAL
Terminal Pitch 2.54mm
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

Width 7.62mm

Compliance

RoHS Status ROHS3 Compliant
Lead Free Lead Free

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