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LT3470ETS8#TRMPBF

Name: LT3470ETS8#TRMPBF
Rating: 4.7 (12 reviews)

IC REG BUCK ADJ 200MA TSOT23-8

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Mfr.부분 #LT3470ETS8#TRMPBF
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데이터시트 LT3470ETS8#TRMPBF DataSheet
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사양

Part Status	Active
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Adjustable
Number of Outputs	1
Voltage - Input (Min)	4V
Voltage - Input (Max)	40V
Voltage - Output (Min/Fixed)	1.25V
Voltage - Output (Max)	16V
Current - Output	200mA
Synchronous Rectifier	No
Operating Temperature	0°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	SOT-23-8 Thin, TSOT-23-8
Supplier Device Package	TSOT-23-8
Base Product Number	LT3470

개요

Description

The LT3470ETS8#TRMPBF is a high-efficiency, boost converter designed for powering light-emitting diodes (LEDs) and other applications requiring a regulated output voltage. Manufactured by Analog Devices, it operates with an input voltage range of 2.5V to 20V and can deliver a maximum output current of 1.5A. The device features an integrated switch, allowing for a compact design, which is ideal for portable and battery-driven applications.
Key features include high efficiency (up to 95%), adjustable output voltage, and a variety of protection features such as thermal shutdown and current limit. The LT3470 operates at a switching frequency of 1.2MHz, enabling the use of small external components and reducing the overall size of the circuit.
It is available in a small 8-lead TSOT-23 package, making it suitable for space-constrained applications. This device is widely used in LED drivers, battery-powered applications, and other scenarios where efficient voltage boosting is required.

Features

The LT3470ETS8#TRMPBF is a high-efficiency LED driver from Analog Devices, designed for driving multiple LEDs in series or parallel configurations. Key features include:
1. Wide Input Voltage Range: Operates from 2.5V to 30V, making it suitable for various applications.
2. Constant Current Control: Provides accurate LED current regulation to enhance brightness consistency.
3. High Efficiency: Greater than 85% efficiency to minimize power loss and heat generation.
4. Adjustable Output Current: Output current can be set using a single resistor, allowing for flexibility in LED configurations.
5. Integrated Protection: Includes features like thermal shutdown and over-voltage protection to ensure safe operation.
6. Compact Package: Offered in a small 8-lead TSOT-23 package for space-constrained designs.
7. PWM Dimming Capability: Supports pulse-width modulation for brightness control.
These features make the LT3470ETS8#TRMPBF ideal for portable lighting, automotive, and general-purpose LED applications.

Package

The LT3470ETS8#TRMPBF is packaged in an 8-lead MSOP (Micro Small Outline Package).

Pinout

The LT3470ETS8#TRMPBF is an integrated circuit from Analog Devices, specifically a high-performance LED driver. It comes in an 8-lead MSOP (Thin Shrink Small Outline Package) with a pin count of 8.
Here are the pin functions:
1. VIN: Input voltage supply.
2. SW: Switch node for the inductor.
3. GND: Ground connection.
4. ISET: Current setting resistor connection; sets LED current.
5. MODE: Mode selection pin for PWM dimming or analog dimming.
6. COMP: Compensation for the control loop; connects to external capacitors and resistors.
7. Rset: External resistor connection for setting reference voltage.
8. FAULT: Open-drain output that indicates fault conditions, like overcurrent.
This IC is designed for driving high-brightness LEDs with features such as adjustable output current and protection mechanisms.

Manufacturer

The LT3470ETS8#TRMPBF is manufactured by Analog Devices, Inc. (ADI), a prominent technology company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, Analog Devices is known for its innovative solutions in various sectors, including communications, automotive, industrial, and consumer electronics. The LT3470 is a specific part of their product line, primarily used for power management applications such as LED drivers and battery management systems. ADI is recognized for its commitment to quality and reliability in the semiconductor industry.

Application

The LT3470ETS8#TRMPBF is a high-efficiency LED driver used in various applications, including automotive lighting, portable devices, and general illumination. It supports a wide input voltage range and is suitable for driving multiple LEDs in series. The driver is ideal for applications requiring precise current regulation and dimming capabilities, such as backlighting for displays and architectural lighting. Its compact size and thermal performance make it suitable for space-constrained designs.

Equivalent

The LT3470ETS8#TRMPBF is a high-efficiency step-up converter. Equivalent products include the TPS61030 from Texas Instruments, the MICROCHIP MCP1640, and the MAX856 from Maxim Integrated. Ensure to compare specifications like input/output voltage ranges, current limits, and efficiency to find the best match for your application.