ST1S14PHR - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ST1S14PHR
Manufacturer

ST Microelectronics
ChipWorker Part#

CW3381852
Category

DC to DC Converter
Package

HSOP-8
Description

Conv DC-DC 5.5V to 48V Step Down Single-Out 1.22V 3A 8Pin HSOP EP T/R
Documentation

Datasheet

ST1S14PHR Global Supplier

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ST1S14PHR Specifications

Attribute	Attribute Value

Part Number	ST1S14PHR
Manufacturer	ST Microelectronics
ChipWorker Part#	CW3381852
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	HSOP-8
Number of Outputs	1 Output
Output Voltage	1.22 V
Output Current	3 A
Number of Positions	8 Position
Quiescent Current	2.4 mA
Switching Frequency	1 MHz
Input Voltage (Max)	48 V
Input Voltage (Min)	5.5 V
Output Voltage (Max)	43.2 V
Output Voltage (Min)	1.22 V
Output Current (Max)	3 A
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-40 ℃
Input Voltage	48 V
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Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.6 mm
Operating Temperature	-40℃ ~ 125℃ (TJ)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

Product Description

The ST1S14PHR is a step-down monolithic power switching Voltage Regulator, able to deliver up to 3ADC current to the load depending on the application conditions. The high current level is also achieved thanks to a HSOP8 package with exposed frame, which allows reducing the Rth (JA) down to approximately 40°C/W. The output voltage can be set from 1.22V. The device uses an internal N-channel DMOS transistor (with a typical RDS (on) of 200mR) as the switching element to minimize the size of the external components. The internal oscillator fixes the switching frequency at 850kHz. Power good open collector output validates the regulated output voltage as soon as it reaches the regulation. Pulse-by-pulse current limit offers an effective constant current short-circuit protection. Current fold-back decreases overstress in a persistent short-circuit condition.
850kHz Internally Fixed Switching Frequency
Internal Soft-start
Power Good Open Collector Output
Current Mode Architecture
Embedded Compensation Network
Zero Load Current Operation
Internal Current Limiting
Inhibit for Zero Current Consumption
2mA Maximum Quiescent Current over Temperature Range
250mR Typical RDS (On)
Thermal Shutdown
ESD sensitive device, take proper precaution while handling the device.

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