LTC3631EMS8E-5#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock

Name: LTC3631EMS8E-5#TRPBF
Brand: Analog Devices
SKU: LTC3631EMS8E-5#TRPBF
Availability: InStock

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.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

LTC3631EMS8E-5#TRPBFSmall Outline Packages

Quick Facts

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

What are the key features of LTC3631EMS8E-5#TRPBF?

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

What is LTC3631EMS8E-5#TRPBF used for?

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.

What are the specifications of LTC3631EMS8E-5#TRPBF?

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

Where can I find the LTC3631EMS8E-5#TRPBF datasheet?

LTC3631EMS8E-5#TRPBF Datasheet Download

Official datasheet from Analog Devices

What are equivalent replacements for LTC3631EMS8E-5#TRPBF?

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.

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AvailabilityIn Stock

Reference Price (USD)

From $4.0700

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
250+	$4.4250	$1106.25
1000+	$4.0700	$4070.00

pcs

Unit price: $4.4250 · Total: $1106.25

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

“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”

Rajesh Patel

Procurement Manager, VoltEdge Energy, India

LTC3631EMS8E-5#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock

What are the key features of LTC3631EMS8E-5#TRPBF?

What is LTC3631EMS8E-5#TRPBF used for?

What are the specifications of LTC3631EMS8E-5#TRPBF?

Compliance & Regulatory

Where can I find the LTC3631EMS8E-5#TRPBF datasheet?

What are equivalent replacements for LTC3631EMS8E-5#TRPBF?

Frequently Asked Questions

What input voltage range does LTC3631EMS8E-5#TRPBF support, and why does that matter for automotive designs?

How much output current can LTC3631EMS8E-5#TRPBF deliver, and is it sufficient for microcontroller-based nodes?

Does LTC3631EMS8E-5#TRPBF meet automotive qualification standards?

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