ST1S14PHR STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock

Name: ST1S14PHR
Brand: STMicroelectronics
SKU: ST1S14PHR
Availability: InStock

ST1S14PHR is a 48 V input, current-mode PWM step-down switching regulator in HSOP-8 package. Features 5.5 V to 48 V input range and pulse-width modulation control. Available from stock worldwide with competitive pricing.

ACTIVEIntegrated CircuitVerified May 2026

Package / Visual Reference

ST1S14PHRSmall Outline Packages

Quick Facts

Manufacturer: STMicroelectronics
Package: Small Outline Packages
Pin Count: 9
Lifecycle: ACTIVE
Datasheet: ST1S14PHR Datasheet PDF
Category: Integrated Circuit
Price: From $0.8753(MOQ 100)
Temp Range: -40.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of ST1S14PHR?

Current-mode PWM control with 5.5 V to 48 V wide input voltage range
Integrated power switch in compact HSOP-8 package for space-constrained designs
Supports 12 V nominal input with up to 18-week factory lead time for volume procurement

What is ST1S14PHR used for?

The ST1S14PHR is well suited for industrial power supplies, automotive 24 V/48 V bus step-down converters, and distributed power architectures requiring wide input range regulation. Its current-mode PWM topology makes it ideal for point-of-load converters in factory automation equipment and telecom infrastructure boards. Designs with 5.5 V to 48 V input rails can leverage this regulator for efficient DC-DC conversion with good transient response.

What are the specifications of ST1S14PHR?

Factory Lead Time	18Weeks
YTEOL	8
Analog IC - Other Type	SWITCHING REGULATOR
Control Mode	CURRENT-MODE
Control Technique	PULSE WIDTH MODULATION
Input Voltage-Max	48V
Input Voltage-Min	5.5V
Input Voltage-Nom	12V
JESD-30 Code	R-PDSO-G8
JESD-609 Code	e3
Number of Functions	1
Output Current-Max	5.2A
Output Voltage-Min	1.22V
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	SOP8,.25
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE, HEAT SINK/SLUG
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Supply Voltage-Nom (Vsup)	12V
Surface Mount	YES
Switcher Configuration	BUCK
Switching Frequency-Max	1000kHz
Temperature Grade	AUTOMOTIVE
Terminal Finish	Matte Tin (Sn) - annealed
Terminal Form	GULL WING
Terminal Pitch	1.27mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	40
Package	Small Outline Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.39.00.60
Country of Origin	Mainland China, Philippines

Where can I find the ST1S14PHR datasheet?

ST1S14PHR Datasheet Download

Official datasheet from STMicroelectronics

What are equivalent replacements for ST1S14PHR?

Compatible alternatives and drop-in replacements for ST1S14PHR:

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Frequently Asked Questions

What is the input voltage range supported by the ST1S14PHR?

The ST1S14PHR supports an input voltage range of 5.5 V to 48 V, with a nominal input of 12 V. This wide range makes it suitable for industrial 24 V and automotive 48 V bus applications requiring a robust step-down regulator.

Which control mode does the ST1S14PHR use and how does it benefit loop stability?

The ST1S14PHR uses current-mode pulse-width modulation (PWM) control. Current-mode control provides inherent cycle-by-cycle current limiting and improves transient response, making it easier to stabilize the feedback loop across load changes in 5.5 V to 48 V input designs.

When would the ST1S14PHR be chosen over a voltage-mode switching regulator for a 48 V industrial rail?

At 48 V input, current-mode PWM control in the ST1S14PHR offers faster transient response and simpler compensation compared with voltage-mode alternatives. The HSOP-8 package keeps the PCB footprint small, and the 5.5 V to 48 V input range covers both 24 V and 48 V industrial rails in a single BOM line.

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AvailabilityIn Stock

Reference Price (USD)

From $0.8753

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
100+	$1.2125	$121.25
250+	$1.1427	$285.68
500+	$1.1020	$551.02
1000+	$1.0500	$1050.00
2500+	$0.8800	$2200.00
10000+	$0.8753	$8753.10

pcs

Unit price: $1.2125 · Total: $121.25

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”

Marco Rossi

CTO, AutoDrive Systems, Italy

ST1S14PHR STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock

What are the key features of ST1S14PHR?

What is ST1S14PHR used for?

What are the specifications of ST1S14PHR?

Compliance & Regulatory

Where can I find the ST1S14PHR datasheet?

What are equivalent replacements for ST1S14PHR?

Frequently Asked Questions

What is the input voltage range supported by the ST1S14PHR?

Which control mode does the ST1S14PHR use and how does it benefit loop stability?

When would the ST1S14PHR be chosen over a voltage-mode switching regulator for a 48 V industrial rail?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About STMicroelectronics

More from STMicroelectronics

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