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Home Products Integrated Circuits (ICs)PMIC - LED Drivers~~LT3491ESC8#TRPBF~~

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LT3491ESC8#TRPBF - Analog Devices Inc.

Manufacturer Part Number: LT3491ESC8#TRPBF

Manufacturer: Analog Devices, Inc.

Allelco Part Number: 32D-LT3491ESC8#TRPBF

ECAD Model

Parts Description: IC LED DRV RGLTR PWM SC70-8

Detailed Description

Package: 8-VFSOP (0.049", 1.25mm Width)

Data sheet: LT3491.pdf

RoHs Status: ROHS3 Compliant

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In stock: 21355

Specifications

LT3491ESC8#TRPBF Tech Specifications
Analog Devices Inc. - LT3491ESC8#TRPBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LT3491ESC8#TRPBF

Product Attribute	Attribute Value
Manufacturer	Analog Devices, Inc.
Voltage - Supply (Min)	2.5V
Voltage - Supply (Max)	12V
Voltage - Output	-
Type	DC DC Regulator
Topology	Step-Up (Boost)
Supplier Device Package	SC-70-8
Series	-
Package / Case	8-VFSOP (0.049", 1.25mm Width)
Package	Tape & Reel (TR)

Product Attribute	Attribute Value
Operating Temperature	-40°C ~ 85°C (TA)
Number of Outputs	1
Mounting Type	Surface Mount
Internal Switch(s)	Yes
Frequency	2.3MHz
Dimming	PWM
Current - Output / Channel	350mA (Switch)
Base Product Number	LT3491
Applications	Backlight

Parts Introduction

Manufacturer Part Number

LT3491ESC8#TRPBF

Manufacturer

Analog Devices

Introduction

The LT3491ESC8#TRPBF is a compact, high-efficiency LED driver with integrated switch designed for power management in LED backlighting applications.

Product Features and Performance

Integrated 350mA switch

High switching frequency of 2.3MHz allowing small inductor size

Wide input voltage range from 2.5V to 12V

PWM dimming capability

Output short-circuit protection

Thermal overload protection

Product Advantages

Highly efficient step-up (boost) regulator design

Small form factor suitable for space-constrained applications

Low shutdown current enhances battery life for portable devices

Fast switching frequency minimizes noise and ripple

Stable operation with ceramic capacitors

Key Technical Parameters

Topology: Step-Up (Boost)

Voltage - Supply (Min): 2.5V

Voltage - Supply (Max): 12V

Current - Output / Channel: 350mA (Switch)

Frequency: 2.3MHz

Operating Temperature: -40°C ~ 85°C (TA)

Quality and Safety Features

Built-in over-temperature protection

Over-current and short-circuit protection

Stable operation with recommended external components

Compatibility

Compatible with surface mount technology

Suitable for automated pick-and-place manufacturing

Mounting Type: Surface Mount

Application Areas

LED backlighting for LCD displays

Portable lighting solutions

Battery-powered devices

Product Lifecycle

Product Status: Active

Not nearing discontinuation

Availability of replacements or upgrades

Several Key Reasons to Choose This Product

Compact integrated solution for space-limited applications

High efficiency for prolonged battery life in portable devices

Flexible input voltage range for diverse power supply conditions

Fast switching capability allows for small external components, reducing overall system size

PWM dimming provides versatile control over LED brightness

Designed for reliability with comprehensive safety features

Active status ensures ongoing production and support from Analog Devices

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LT3491ESC8#TRPBF

Product Attribute
Part Number	LT3491ESC8#TRPBF	LT3491EDC#TRPBF	LT3492EFE#PBF	LT3492EUFD#TRPBF
Manufacturer	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Dimming	PWM	PWM	PWM	PWM
Voltage - Output	-	27V	-	-
Supplier Device Package	SC-70-8	6-DFN (2x2)	28-TSSOP-EP	28-QFN (4x5)
Applications	Backlight	Backlight	-	-
Base Product Number	LT3491	LT3491	LT3492	LT3492
Type	DC DC Regulator	DC DC Regulator	DC DC Regulator	DC DC Regulator
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Number of Outputs	1	1	3	3
Current - Output / Channel	350mA (Switch)	260mA (Switch)	600mA (Switch)	600mA (Switch)
Series	-	-	-	-
Voltage - Supply (Max)	12V	12V	30V	30V
Package / Case	8-VFSOP (0.049", 1.25mm Width)	6-WFDFN Exposed Pad	28-TSSOP (0.173', 4.40mm Width) Exposed Pad	28-WFQFN Exposed Pad
Internal Switch(s)	Yes	Yes	Yes	Yes
Package	Tape & Reel (TR)	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Frequency	2.3MHz	2.3MHz	330kHz ~ 2.1MHz	330kHz ~ 2.1MHz
Voltage - Supply (Min)	2.5V	2.5V	3V	3V
Topology	Step-Up (Boost)	Step-Up (Boost)	SEPIC, Step-Down (Buck), Step-Up (Boost)	SEPIC, Step-Down (Buck), Step-Up (Boost)
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)

LT3491ESC8#TRPBF Datasheet PDF

Download LT3491ESC8#TRPBF pdf datasheets and Analog Devices Inc. documentation for LT3491ESC8#TRPBF - Analog Devices Inc..

Datasheets: LT3491.pdf
Other Related Documents: Tape and Reel Packaging.pdf
Environmental Information: Material Declaration LT3491ESC8#TRPBF.pdf

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America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
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1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

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