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L4977A
STMicroelectronicsRoHS 
RoHS compliant
RoHS compliantPackage Multiwatt-15 (Vertical, Bent and Staggered Leads)
Category PMIC - Voltage Regulators - DC DC Switching Regulators / PMIC - Voltage Regulators - DC DC Switching Regulators
Description
L4977 Tube Matte Tin (Sn) NRND (Last Updated: 8months ago) DC to DC switching regulator 35V 5mm 7A 200kHz~500kHz
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Inventory: 4039
Minimum: 1
Total Price: USD $34.65
Unit Price: USD $34.652249
≥1 USD $34.652249
≥10 USD $32.690789
≥100 USD $30.84038
≥500 USD $29.094691
≥1000 USD $27.447826
Technical Details
Supply Chain
Factory Lead Time 6 Weeks
Lifecycle Status NRND (Last Updated: 8 months ago)
Physical
Mount Through Hole
Mounting Type Through Hole
Package / Case Multiwatt-15 (Vertical, Bent and Staggered Leads)
Number of Pins 15
Compliance
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Technical
Operating Temperature -40°C~150°C TJ
Packaging Tube
JESD-609 Code e3
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 15
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Subcategory Switching Regulator or Controllers
Technology BCDMOS
Terminal Position ZIG-ZAG
Base Part Number L4977
Function Step-Down
Number of Outputs 1
Efficiency 87 %
Voltage - Input (Max) 50V
Output Voltage 40V
Output Type Adjustable
Max Output Current 7A
Operating Supply Voltage 50V
Voltage - Input (Min) 15V
Input Voltage-Nom 35V
Analog IC - Other Type SWITCHING REGULATOR
Output Configuration Positive
Max Output Voltage 40V
Topology Buck
Control Mode VOLTAGE-MODE
Frequency - Switching 200kHz~500kHz
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier No
Min Output Voltage 5.1V
Dimensions
Height 10.7mm
Length 19.6mm
Width 5mm
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