LT3663IMS8E-3.3#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock

Name: LT3663IMS8E-3.3#PBF
Brand: Analog Devices
SKU: LT3663IMS8E-3.3#PBF
Availability: InStock

Analog Devices LT3663IMS8E-3.3#PBF is a fixed 3.3 V output, 1.2 A step-down DC-DC converter accepting 7.5 V to 36 V input, housed in an 8-pin MSOP EP package with automotive qualification. It uses constant-frequency current-mode control for stable, low-noise regulation suitable for 12 V and 24 V automotive rails. Available in tube packaging from global authorized distributors for prototype and production builds.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

LT3663IMS8E-3.3#PBFSmall Outline Packages

Quick Facts

Manufacturer: Analog Devices
Package: Small Outline Packages
Pin Count: 8
Lifecycle: ACTIVE
Datasheet: LT3663IMS8E-3.3#PBF Datasheet PDF
Category: Integrated Circuit
Price: From $4.2200(MOQ 1)
Temp Range: -40.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of LT3663IMS8E-3.3#PBF?

7.5 V to 36 V input range covers 12 V and 24 V automotive bus voltages in a single fixed 3.3 V solution
1.2 A continuous output current in compact 8-pin MSOP EP enables space-efficient automotive ECU power rails
Constant-frequency current-mode control provides fast load transient response and stable loop compensation

What is LT3663IMS8E-3.3#PBF used for?

LT3663IMS8E-3.3#PBF is designed for automotive ECU, body control module, and ADAS sensor power supplies requiring a regulated 3.3 V rail from 12 V or 24 V vehicle battery inputs. Its wide 7.5 V to 36 V input range accommodates load dump transients and cold-crank voltage dips common in automotive electrical systems. The MSOP EP package enables dense PCB layouts in space-constrained automotive modules while providing adequate thermal dissipation through the exposed pad.

What are the specifications of LT3663IMS8E-3.3#PBF?

Pbfree Code	No
Manufacturer Package Code	05-08-1662
YTEOL	10
Analog IC - Other Type	SWITCHING REGULATOR
Control Mode	CURRENT-MODE
Control Technique	CONSTANT FREQUENCY
Input Voltage-Max	36V
Input Voltage-Min	7.5V
Input Voltage-Nom	12V
JESD-30 Code	S-PDSO-G8
JESD-609 Code	e3
Number of Functions	1
Output Current-Max	2.5A
Output Voltage-Max	3.366V
Output Voltage-Min	3.234V
Output Voltage-Nom	3.3V
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
Supply Current-Max (Isup)	3.2mA
Surface Mount	YES
Switcher Configuration	BUCK
Switching Frequency-Max	1100kHz
Technology	BIPOLAR
Temperature Grade	AUTOMOTIVE
Terminal Finish	Matte Tin (Sn) - annealed
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 LT3663IMS8E-3.3#PBF datasheet?

LT3663IMS8E-3.3#PBF Datasheet Download

Official datasheet from Analog Devices

What are equivalent replacements for LT3663IMS8E-3.3#PBF?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What input voltage range does LT3663IMS8E-3.3#PBF support for automotive 12 V and 24 V systems?

LT3663IMS8E-3.3#PBF accepts input voltages from 7.5 V to 36 V, covering standard 12 V automotive batteries with load dump spikes up to 36 V and cold-crank dips as low as 7.5 V. This wide range also accommodates 24 V commercial vehicle bus systems, making the part suitable across both passenger car and light-commercial vehicle ECU power supply designs.

How does the current-mode control architecture of LT3663IMS8E-3.3#PBF benefit automotive power supply designs?

LT3663IMS8E-3.3#PBF uses constant-frequency current-mode control, which provides inherent cycle-by-cycle current limiting for short-circuit protection and fast load transient response. The current-mode loop simplifies output inductor selection and allows the 3.3 V / 1.2 A output to recover within a few microseconds from load steps, keeping sensitive microcontroller supply voltages stable during sudden current demand changes in automotive ECUs.

What thermal management does the 8-pin MSOP EP package of LT3663IMS8E-3.3#PBF offer for 1.2 A output operation?

The 8-pin MSOP EP (exposed pad) package of LT3663IMS8E-3.3#PBF provides a bottom-side thermal pad that conducts heat directly to the PCB ground plane through multiple thermal vias. At 1.2 A output and 3.3 V output from a 12 V input, power dissipation in the IC is approximately 160 mW to 300 mW depending on efficiency, which the exposed pad can handle without a heatsink in typical automotive PCB layouts with adequate copper pour.

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AvailabilityIn Stock

Reference Price (USD)

From $4.2200

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$5.9200	$5.92
19+	$5.5900	$106.21
100+	$5.0126	$501.26
1000+	$4.2200	$4220.00

pcs

Unit price: $5.9200 · Total: $5.92

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

LT3663IMS8E-3.3#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock

What are the key features of LT3663IMS8E-3.3#PBF?

What is LT3663IMS8E-3.3#PBF used for?

What are the specifications of LT3663IMS8E-3.3#PBF?

Compliance & Regulatory

Where can I find the LT3663IMS8E-3.3#PBF datasheet?

What are equivalent replacements for LT3663IMS8E-3.3#PBF?

Frequently Asked Questions

What input voltage range does LT3663IMS8E-3.3#PBF support for automotive 12 V and 24 V systems?

How does the current-mode control architecture of LT3663IMS8E-3.3#PBF benefit automotive power supply designs?

What thermal management does the 8-pin MSOP EP package of LT3663IMS8E-3.3#PBF offer for 1.2 A output operation?

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