LT3470ETS8

Name: LT3470ETS8
Brand: Analog Devices
Rating: 4.5 (10 reviews)
Author: Lisleapex

With a maximum output current of 0.2A, LT3470ETS8 is capable of handling various power requirements

5,849 Effective Inventory

LT3470ETS8

Effective Inventory5,849

With a maximum output current of 0.2A, LT3470ETS8 is capable of handling various power requirements

Manufacturer Part # : LT3470ETS8
Package/Case: SOT-8
Brand: Analog Devices
Product Categories : Voltage Regulators , DC DC Switching Regulators

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LT3470ETS8 DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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LT3470ETS8 Details

The LT3470ETS8 is a step-down DC/DC converter from Analog Devices, designed for high-efficiency power conversion in a wide range of applications. This device features a low dropout voltage of 210mV at 1A and a wide input voltage range of 2.7V to 36V. It also offers fixed frequency operation, soft-start capability, and overcurrent protection.

Pinout

VIN: Input Voltage Pin
VOUT: Output Voltage Pin
GND: Ground Pin
EN: Enable Pin
FB: Feedback Pin

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

High Efficiency: Achieves high efficiency of up to 96% for low power consumption and reduced heat generation.
Low Dropout Voltage: Operates with a low dropout voltage of 210mV at 1A, making it suitable for applications where input voltage may fluctuate.
Wide Input Voltage Range: Accepts a wide input voltage range of 2.7V to 36V, allowing for flexibility in system design and operation.
Fixed Frequency Operation: Operates at a fixed frequency, ensuring stable and reliable power conversion.
Soft-Start Capability: Features soft-start capability to prevent inrush current and reduce stress on the converter.
Overcurrent Protection: Includes overcurrent protection to prevent damage from excessive current draw.

Applications

The LT3470ETS8 is suitable for a wide range of applications, including:

Portable electronics and wearables
Industrial control systems
Aerospace and defense systems
Medical devices and equipment

Where to Use

The LT3470ETS8 is designed for use in a variety of environments, including:

Temperature ranges from -40°C to 125°C
Vibration and shock resistance
High-reliability applications requiring low failure rates

How to Use

To use the LT3470ETS8, follow these steps:

Connect the VIN pin to your input voltage source.
Connect the VOUT pin to your load or output circuit.
Connect the GND pin to a common ground reference.
Apply an enable signal to the EN pin to turn the converter on or off.

(Tip: For detailed usage instructions, refer to the datasheet.)

Application Circuit

The application circuit diagram for the LT3470ETS8 illustrates how to connect the converter to your system. It includes connections for input voltage, output voltage, and ground references, ensuring proper operation and reliable power conversion.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LT3650: A similar step-down DC/DC converter from Analog Devices offering comparable features and performance.
MAX1555: An alternative step-down DC/DC converter from Maxim Integrated with equivalent functionality.

Complementary

The LT3470ETS8 can be complemented by the LT3651, which offers additional features such as higher current handling and enhanced ESD protection, suitable for more demanding power conversion applications.

When selecting complementary converters, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Switching Voltage Regulators	RoHS	N
Output Voltage	1.25 V to 16 V	Output Current !	200 mA
Input Voltage, Max	40 V	Number of Outputs	1 Output
Topology	Buck	Package / Case	SOT-8
Mounting Style	SMD/SMT	Switching Frequency !	1.2 MHz
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature !	+ 85 C
Series	LT3470	Input Voltage, Min	4 V
Brand	Analog Devices	Operating Supply Current	25 uA
Product Type !	Switching Voltage Regulators	Subcategory	PMIC - Power Management ICs

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LT3470ETS8 PDF Download

FAQs

What is LT3470ETS8?

The LT3470ETS8 is a high efficiency, low ripple, buck-boost DC/DC converter designed by Analog Devices. It is suitable for applications where the input voltage can be higher, lower, or equal to the output voltage, making it versatile for various power supply designs.

How Does LT3470ETS8 Work?

The LT3470ETS8 operates as a buck-boost DC/DC converter, capable of converting input voltages above, below, or equal to the desired output voltage. It efficiently regulates the output voltage while minimizing ripple, making it suitable for applications requiring stable power supplies in variable input voltage conditions.

How Many Pins does LT3470ETS8 have and What are the Functions of the Pinout Configuration?

The LT3470ETS8 is housed in an 8-lead TSOT-23 (Thin Small Outline Transistor) package. The pinout configuration includes:

SW: Switching node for the internal MOSFET.
GND: Ground connection.
COMP: Compensation pin for loop stability.
FB: Feedback pin for setting the output voltage.
ILIM: Input current limit setting pin.
VOUT: Output voltage pin.
VIN: Input voltage pin.
SS/TR: Soft-start/tracking pin.

What are the Pros and Cons of LT3470ETS8?

Pros:

Wide Input Voltage Range: Suitable for applications with variable input voltage requirements.
High Efficiency: Provides high efficiency power conversion, minimizing power loss.
Low Ripple: Generates low output voltage ripple for stable power supplies.
Compact Package: The TSOT-23 package is space-efficient, ideal for small form factor designs.
Versatility: Can function as a buck or boost converter, offering flexibility in power supply design.

Cons:

Complexity: Buck-boost converters may require careful consideration of component selection and circuit layout for optimal performance.
Heat Dissipation: Efficiency comes at the cost of heat generation, necessitating thermal management in high power applications.
External Components: May require additional external components for specific applications or enhanced performance.

Are There Any Equivalents/Alternatives to LT3470ETS8 for Recommendation?

The LT3490 from Analog Devices is a similar buck-boost converter with additional features.
Alternatives to the LT3470ETS8 include the TPS63020 from Texas Instruments and the MAX17502 from Maxim Integrated.