LT1767EMS8E-2.5 Analog Devices Integrated Circuit (Small Outline Packages) In Stock
LT1767EMS8E-2.5 is a 1.5A step-down DC-DC switching regulator from Analog Devices with a fixed 2.5V output. It accepts 3V to 25V input, uses constant-frequency current-mode control, and fits in a compact 8-pin MSOP-EP package for space-constrained power designs.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 9
- Lifecycle
- ACTIVE UNCONFIRMED
- Datasheet
- LT1767EMS8E-2.5 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 2.5V output with 1.5A continuous current from 3V-25V wide input range
- Constant-frequency current-mode control for fast transient response and predictable EMI spectrum
- Compact 8-pin MSOP-EP package with exposed pad for improved thermal dissipation
- Low quiescent current design for battery-powered and energy-sensitive applications
Applications
The LT1767EMS8E-2.5 is designed for portable instruments, industrial sensors, and embedded systems that require a regulated 2.5V rail from a higher-voltage supply ranging from 3V to 25V. Its current-mode control architecture supports stable operation with ceramic output capacitors, reducing BOM cost and PCB area. Telecom cards, medical monitoring devices, and data-acquisition front ends benefit from its precision 2.5V regulation and thermally enhanced MSOP package.
Specifications
| YTEOL | 2 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | CONSTANT FREQUENCY |
| Input Voltage-Max | 25V |
| Input Voltage-Min | 3V |
| Input Voltage-Nom | 15V |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 3A |
| Output Voltage-Max | 2.55V |
| Output Voltage-Min | 2.45V |
| Output Voltage-Nom | 2.5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 235 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 1.3mA |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 1500kHz |
| Technology | BIPOLAR |
| Temperature Grade | OTHER |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 20 |
| 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the LT1767EMS8E-2.5 support, and how does that help in multi-rail systems?
The LT1767EMS8E-2.5 accepts an input voltage from 3V to 25V, giving designers flexibility to power the 2.5V rail directly from a 5V logic supply, a 12V industrial bus, or a 24V unregulated adapter. This wide range means a single part can replace multiple region-specific converters, reducing SKU count and simplifying procurement.
How does the current-mode control of LT1767EMS8E-2.5 benefit load-transient performance in data-acquisition circuits?
Current-mode control in the LT1767EMS8E-2.5 gives cycle-by-cycle current limiting and faster inner-loop response than voltage-mode converters. When a 1.5A load step occurs at 2.5V, the peak current is clamped immediately without waiting for the outer voltage loop, keeping output deviation within tens of millivolts and meeting the settling requirements of 16-bit ADC reference rails.
Why is the 8-pin MSOP-EP package a practical choice for compact 2.5V power stages?
The MSOP-EP (8-pin, 3 mm x 3 mm footprint) integrates an exposed thermal pad that conducts heat directly to the PCB copper pour, allowing 1.5A continuous output current without an external heatsink. Compared to an SO-8 package occupying roughly twice the board area, the MSOP-EP reduces PCB real estate while maintaining thermal margins at 25V input, 2.5V output.
In which embedded system designs is LT1767EMS8E-2.5 a lower-risk alternative to a low-dropout regulator?
Designs where the input supply is 5V or higher and load current reaches 1A or more benefit most. An LDO at those conditions dissipates (Vin-Vout) x I = 2.5W or more as heat, requiring a heatsink. The LT1767EMS8E-2.5 switching regulator achieves typical efficiency above 85% at 1.5A, cutting power dissipation by 4x-5x and eliminating the heatsink for industrial sensors, IoT gateways, and FPGA auxiliary rails.
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Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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