2A Step-down Switching Regulator, a power management IC featuring an adjustable output voltage up to 50V and a maximum output current of 2A. Operating from an 8V to 55V input range, this surface-mount device achieves 87% efficiency and a maximum switching frequency of 300kHz. It offers a single positive output and operates across a wide temperature range of -40°C to 150°C. The component is RoHS compliant and housed in a compact SO package.
PackageSO
MountingSurface Mount
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Technical Specifications
Stmicroelectronics L4978D technical specifications.
General
Package/Case
SO
Efficiency
87%
Height
2.35mm
Lead Free
Lead Free
Length
10.5mm
Max Input Voltage
55V
Min Input Voltage
8V
Max Operating Temperature
150°C
Min Operating Temperature
-40°C
Max Output Current
2A
Max Output Voltage
50V
Min Output Voltage
3.3V
Mount
Surface Mount
Number of Outputs
1
Operating Supply Voltage
55V
Output Configuration
Positive
Output Current
2A
Output Type
Adjustable
Output Voltage
50V
Package Quantity
49
Packaging
Rail/Tube
Radiation Hardening
No
Reach SVHC Compliant
No
RoHS Compliant
Yes
Switching Frequency-Max
300kHz
Synchronous Rectifier
No
Width
7.6mm
Compliance
RoHS
Compliant
Datasheet
Stmicroelectronics L4978D Datasheet
Download the complete datasheet for Stmicroelectronics L4978D to view detailed technical specifications.
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