ST1S14PHR STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock
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.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Packages
- Pin Count
- 9
- Lifecycle
- ACTIVE
- Datasheet
- ST1S14PHR Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 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
Applications
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.
Specifications
| 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
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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