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LTC3568EDD#TRPBF

Name: LTC3568EDD#TRPBF
Rating: 4.7 (12 reviews)

IC REG BUCK ADJ 1.8A 10DFN

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資料表 LTC3568EDD#TRPBF DataSheet
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規格

Part Status	Active
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Adjustable
Number of Outputs	1
Voltage - Input (Min)	2.25V
Voltage - Input (Max)	5.5V
Voltage - Output (Min/Fixed)	0.8V
Voltage - Output (Max)	5V
Current - Output	1.8A
Frequency - Switching	Up to 4MHz
Synchronous Rectifier	Yes
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Package / Case	10-WFDFN Exposed Pad
Supplier Device Package	10-DFN (3x3)
Base Product Number	LTC3568

概述

Description

The LTC3568EDD#TRPBF is a high-efficiency, synchronous buck converter designed for battery-powered applications. It features a wide input voltage range of 2.5V to 15V and can deliver up to 1.5A of output current. The device is optimized for low quiescent current, making it suitable for portable devices that require efficient power management to extend battery life.
Key features include adjustable output voltage, internal compensation, and a high switching frequency that allows for smaller external components, contributing to a compact design. The LTC3568 also offers built-in protection mechanisms, such as overcurrent and thermal shutdown, ensuring reliable operation in various conditions.
This IC is ideal for applications such as smartphones, tablets, and other handheld devices, where efficiency and space are critical. Overall, the LTC3568EDD#TRPBF is a reliable choice for efficient power conversion in compact, battery-operated systems.

Features

The LTC3568EDD#TRPBF is a highly integrated, synchronous, step-down DC-DC converter designed for battery-powered applications. Key features include:
1. Input Voltage Range: Operates from 2.5V to 5.5V, suitable for single-cell Li-Ion batteries.
2. Output Current: Delivers up to 1A of continuous output current.
3. Efficiency: High efficiency (up to 95%) across a wide load range, minimizing heat generation.
4. Fixed Output Voltage: Available in fixed output voltage options (e.g., 3.3V).
5. Low Quiescent Current: Ideal for low-power applications, with a quiescent current of only a few microamperes.
6. Low Ripple: Features low output ripple voltage, enhancing performance in sensitive applications.
7. Protection Features: Includes overvoltage protection, short-circuit protection, and thermal shutdown for reliability.
8. Small Package: Offered in a compact 3mm x 3mm DFN package, allowing for space-constrained designs.
Overall, the LTC3568EDD#TRPBF is suitable for portable devices, IoT applications, and energy-harvesting systems.

Package

The LTC3568EDD#TRPBF is packaged in a 16-lead 3mm x 3mm QFN (Quad Flat No-lead) package. This compact package type is suitable for surface mounting and helps minimize the footprint on the PCB while providing good thermal performance.

Pinout

The LTC3568EDD#TRPBF is a low-power, high-efficiency buck-boost DC/DC converter designed for powering devices from a single-cell lithium-ion battery or other power sources. It features a total of 16 pins.
Key functions include:
1. VIN (Input Voltage): Connects to the input power source.
2. VOUT (Output Voltage): Supplies regulated output voltage.
3. GND: Ground reference for the circuit.
4. SW: Switching node for the inductor connection.
5. COMP: Compensation network connection for stability.
6. SS: Soft-start pin to control the startup time.
7. FB: Feedback pin for output voltage regulation.
8. ISEN: Current sense for overcurrent protection.
9. SYNC: Synchronization input for external clock.
10. MODE: Mode selection pin for operation (e.g., Burst Mode).
11. PG: Power good output indicating proper operation.
12. EN: Enable pin to turn the device on/off.
These pins facilitate control, regulation, and monitoring of the power conversion process.

Manufacturer

The LTC3568EDD#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in semiconductor technology, particularly in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves a wide range of industries, including automotive, communications, consumer electronics, healthcare, and industrial applications. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices is known for its innovation in high-performance signal processing and high-precision data conversion solutions. The LTC3568 is a specific product in their portfolio, designed as a high-efficiency battery management and power management IC.

Application

The LTC3568EDD#TRPBF is a high-efficiency buck-boost converter suitable for portable devices that require stable power supplies from varying input voltages. Application areas include battery-powered devices, portable instrumentation, medical devices, wireless sensors, and energy harvesting systems. Its ability to manage low input voltages and provide a regulated output makes it ideal for applications with stringent power management needs.

Equivalent

The LTC3568EDD#TRPBF is a high-efficiency buck-boost regulator. Equivalent products include the TPS63070 from Texas Instruments, the MAX757 from Maxim Integrated, and the LM2577 from Texas Instruments. Always verify specifications such as input/output voltage range, efficiency, and package type before substitution.