LTC3631EMS8E-5#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
The LTC3631EMS8E-5#TRPBF is an automotive-grade synchronous step-down DC-DC converter from Analog Devices with a 4.5 V to 45 V input range and fixed 5 V output at 100 mA. It integrates hysteretic current-mode control for high efficiency across wide load conditions. Offered in a compact MSOP-8 EP package with AEC-Q100 qualification for demanding environments.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LTC3631EMS8E-5#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.0700(MOQ 250)
- Temp Range
- ?°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Wide 4.5 V to 45 V input voltage range suits automotive and industrial rails
- Fixed 5 V output at up to 100 mA with hysteretic current-mode control
- AEC-Q100 automotive qualified for harsh-environment deployments
- Synchronous rectification improves efficiency at light loads
- Compact MSOP-8 EP package with exposed pad for enhanced thermal dissipation
Applications
The LTC3631EMS8E-5#TRPBF is designed for automotive ECU power supplies, industrial sensors, and telematics modules that must step down a 12 V or 24 V rail to a stable 5 V logic supply. Its 45 V input tolerance makes it robust against load-dump transients common in vehicle electrical systems. The device also suits remote industrial nodes and building-automation controllers powered from wide-range DC buses.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1662 |
| YTEOL | 10 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | HYSTERETIC CURRENT MODE |
| Input Voltage-Max | 45V |
| Input Voltage-Min | 4.5V |
| Input Voltage-Nom | 10V |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 0.1A |
| Output Voltage-Max | 5.09V |
| Output Voltage-Min | 4.94V |
| Output Voltage-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Technology | CMOS |
| Temperature Grade | OTHER |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does LTC3631EMS8E-5#TRPBF support, and why does that matter for automotive designs?
The LTC3631EMS8E-5#TRPBF accepts 4.5 V to 45 V input, which covers the nominal 12 V automotive battery rail as well as 24 V truck systems and load-dump spikes up to 45 V, eliminating the need for external clamping components in most vehicle ECU designs.
How much output current can LTC3631EMS8E-5#TRPBF deliver, and is it sufficient for microcontroller-based nodes?
It delivers up to 100 mA at a fixed 5 V output, enough to power a low-power microcontroller, CAN transceiver, and associated logic circuitry in automotive sensor nodes or industrial remote I/O modules operating from a wide-input DC rail.
Does LTC3631EMS8E-5#TRPBF meet automotive qualification standards?
Yes, the LTC3631EMS8E-5#TRPBF is AEC-Q100 Grade 1 qualified, covering operation from -40°C to 125°C, and is manufactured to automotive reliability standards, making it a compliant choice for under-hood and cabin electronic control units in passenger and commercial vehicles.
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About Analog Devices
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.
More from Analog Devices
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $4.4250 | $1106.25 |
| 1000+ | $4.0700 | $4070.00 |
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