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
- 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
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
Compatible alternatives and drop-in replacements for ST1S14PHR:
suggested
suggested
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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STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| 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 |
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