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See Technical Specifications

ST1S41PHR +BOM

4 A step-down switching regulator

Manufacturer:

STMicroelectronics
Mfr.Part #:

ST1S41PHR
Datasheet:

ST1S41PHR Datasheet (PDF)
Function:

Step-Down
Output Configuration:

Positive
Topology:

Buck
Output Type:

Adjustable

ST1S41PHR General Description

The ST1S41PHR is a DC/DC converter designed with a synchronous buck (step down) topology, making it efficient and reliable for various applications. It has a wide input voltage range from 4V to 18V, allowing flexibility in power supply requirements. The converter features 1 output with a maximum output current of 4A and output voltage ranging from 800mV to 18V. With a switching frequency of 850kHz, the ST1S41PHR ensures stable and regulated power output. It is housed in an HSOP-8 case with 8 pins for easy installation and maintenance

Key Features

Improved efficiency and performance
Enhanced power factor correction
Precise current limiting control
Fault detection and shutdown

Specifications

Function	Step-Down	Output Configuration	Positive
Topology	Buck	Output Type	Adjustable
Number of Outputs	1	Voltage - Input (Min)	4V
Voltage - Input (Max)	18V	Voltage - Output (Min/Fixed)	0.8V
Voltage - Output (Max)	18V	Current - Output	4A
Frequency - Switching	850kHz	Synchronous Rectifier	Yes
Operating Temperature	-40°C ~ 150°C (TJ)	Mounting Type	Surface Mount
Base Product Number	ST1S41