LTC3442EDE#TRPBF

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LTC3442EDE#TRPBF

IC REG BUCK BOOST ADJ 1.2A 12DFN

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Specifications

Part Status Active
Function Step-Up/Step-Down
Output Configuration Positive
Topology Buck-Boost
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 2.4V
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 2.4V
Voltage - Output (Max) 5.25V
Current - Output 1.2A
Frequency - Switching 300kHz ~ 2MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 12-WFDFN Exposed Pad
Supplier Device Package 12-DFN (4x3)
Base Product Number LTC3442

Overview

Description

The LTC3442EDE#TRPBF is a highly integrated, low dropout (LDO) step-down (buck) DC/DC converter from Analog Devices (formerly Linear Technology). It is designed for applications requiring efficient power management, particularly in battery-powered devices. This converter delivers up to 2A of output current with a wide input voltage range of 2.5V to 15V, making it suitable for various applications, including portable devices, RF and wireless systems, and industrial applications.
Key features include high efficiency (up to 95%), low quiescent current, and a programmable output voltage. The device operates in pulse-width modulation (PWM) mode to optimize efficiency under varying loads. It also incorporates protection features such as thermal shutdown and short-circuit protection, ensuring reliable operation.
The LTC3442EDE#TRPBF comes in a 10-lead MSOP package, making it compact and easy to integrate into space-constrained designs. Overall, it is an excellent choice for designers seeking a reliable, efficient DC/DC converter solution.

Features

The LTC3442EDE#TRPBF is a high-efficiency, synchronous step-down DC-DC converter designed for applications requiring a compact power supply solution. Key features include:
1. Input Voltage Range: Operates from 2.5V to 15V, accommodating various power sources.
2. Output Current: Delivers up to 1A of output current while maintaining high efficiency.
3. High Efficiency: Efficiency exceeds 95% under optimal conditions, reducing heat generation and improving battery life.
4. Fixed Output Voltage: Available in fixed output voltage options (e.g., 3.3V, 5V).
5. Low Quiescent Current: Minimal quiescent current enhances battery performance in portable applications.
6. Compact Package: Offered in a 3mm x 4mm LQFN package, suitable for space-constrained designs.
7. Short-Circuit Protection: Features current limit and short-circuit protection for enhanced reliability.
8. Soft-Start Function: Provides controlled start-up to minimize inrush current.
These features make the LTC3442EDE#TRPBF ideal for powering microcontrollers, sensors, and other low-voltage applications.

Package

The LTC3442EDE#TRPBF is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package).

Pinout

The LTC3442EDE#TRPBF is a low noise, low dropout (LDO) linear regulator from Analog Devices. It features a pin count of 10.
The functions of the pins are as follows:
1. VIN: Input voltage.
2. GND: Ground.
3. SW: Switch node (connected to inductor).
4. VOUT: Output voltage.
5. PG: Power good output.
6. COMP: Compensation node for stability.
7. ILIM: Current limit setting.
8. RT: Timing resistor for soft start.
9. EN: Enable pin to turn the device on/off.
10. VFB: Feedback voltage for regulation.
This device is designed for high efficiency and low quiescent current in portable applications, providing adjustable output voltage and current limiting features.

Manufacturer

The LTC3442EDE#TRPBF is manufactured by Analog Devices, Inc. (ADI), a global leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, Analog Devices specializes in designing innovative semiconductor solutions that are essential for a variety of applications, including communications, automotive, industrial, and consumer electronics. The company is known for its extensive portfolio of products that enhance the performance of electronic systems, with a focus on precision and efficiency. ADI is headquartered in Norwood, Massachusetts, and serves a wide range of markets with its advanced technology and strong commitment to research and development.

Application

The LTC3442EDE#TRPBF is a high-efficiency, synchronous step-down DC-DC converter, often used in battery-powered devices, portable electronics, and industrial applications. Its compact size and low quiescent current make it ideal for powering microcontrollers, sensors, and RF modules. It is suitable for applications requiring efficient voltage regulation, such as smartphones, tablets, and IoT devices.

Equivalent

Equivalent products to the LTC3442EDE#TRPBF chip include the Texas Instruments TPS63020, Maxim Integrated MAX756, and the Analog Devices ADP2302. These alternatives provide similar features such as step-up/step-down DC-DC conversion, high efficiency, and comparable voltage/current ratings. Always verify specifications for compatibility with your application.

Shipping

Shipping MethodsWe

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

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