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LTC3528BEDDB-2#TRMPBF

Name: LTC3528BEDDB-2#TRMPBF
Rating: 4.7 (12 reviews)

IC REG BOOST ADJ 1A 8DFN

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規格

Part Status	Active
Function	Step-Up
Output Configuration	Positive
Topology	Boost
Output Type	Adjustable
Number of Outputs	1
Voltage - Input (Min)	0.88V
Voltage - Input (Max)	5.5V
Voltage - Output (Min/Fixed)	1.6V
Voltage - Output (Max)	5.25V
Current - Output	1A (Switch)
Frequency - Switching	2MHz
Synchronous Rectifier	Yes
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Package / Case	8-WFDFN Exposed Pad
Supplier Device Package	8-DFN (3x2)
Base Product Number	LTC3528

概述

Description

The LTC3528BEDDB-2#TRMPBF is a highly integrated step-up DC-DC converter designed for portable applications. It can efficiently convert low input voltages, such as those from single-cell lithium-ion batteries, to higher output voltages. Key features include a wide input voltage range, programmable output voltage, and high efficiency up to 95%.
This device operates at a fixed frequency, enabling easy filtering and stable operation, while its low quiescent current helps to prolong battery life. The LTC3528 also includes protections such as overcurrent and thermal shutdown, ensuring reliability in various applications.
It is available in a compact 16-lead QFN package, making it suitable for space-constrained designs. Typical applications include powering RF transmitters, battery-operated devices, and various portable electronics. Overall, the LTC3528BEDDB-2#TRMPBF is an ideal choice for designers seeking efficiency and reliability in DC-DC conversion.

Features

The LTC3528BEDDB-2#TRMPBF is a high-efficiency, step-up (boost) DC-DC converter designed for powering devices from low-voltage sources, such as single-cell lithium-ion batteries. Key features include:
1. Input Voltage Range: Operates from 1.8V to 5.5V.
2. Output Voltage: Adjustable output up to 5.25V.
3. High Efficiency: Up to 96% efficiency under typical load conditions.
4. Low Quiescent Current: Approximately 1 µA, enhancing battery life in portable applications.
5. Output Current: Delivers up to 1A output current, suitable for powering small devices.
6. Built-in Comparator: Integrated low battery detection.
7. Soft-Start Function: Reduces inrush current during startup.
8. Compact Package: Available in a small DFN package (3mm x 3mm), ideal for space-constrained applications.
These features make the LTC3528BEDDB-2#TRMPBF suitable for applications such as portable electronics, energy harvesting, and battery-powered devices.

Package

The LTC3528BEDDB-2#TRMPBF is packaged in a 12-lead DFN (Dual Flat No-lead) package with a size of 3mm x 3mm. This compact package type is designed for efficient thermal performance and space-saving in electronic applications.

Pinout

The LTC3528BEDDB-2#TRMPBF is a step-up DC/DC converter with a pin count of 16. The key functions of its pins include:
1. VIN (Pin 1): Input voltage.
2. VOUT (Pin 2): Output voltage.
3. GND (Pins 3, 6, 10): Ground connections.
4. SW (Pins 4, 5): Switch node for inductor connection.
5. COMP (Pin 7): Compensation node for feedback control.
6. FB (Pin 8): Feedback voltage input.
7. C1 (Pin 9): Capacitor connection for stability.
8. SLOPE (Pin 11): Slope compensation adjustment.
9. RUN (Pin 12): Enable pin to turn the device on/off.
10. ISENSE (Pin 13): Current sense input.
11. CSN (Pin 14): Current sense negative input.
12. CSN (Pin 15): Current sense positive input.
13. NC (Pin 16): No connection.
This IC is designed for battery-operated applications, providing high efficiency and low output ripple.

Manufacturer

The manufacturer of the LTC3528BEDDB-2#TRMPBF is Analog Devices, Inc. Analog Devices is a multinational semiconductor company known for designing and manufacturing high-performance analog, mixed-signal, and digital signal processing integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves a wide range of markets, including communications, automotive, industrial, healthcare, and consumer electronics. The LTC3528 is a step-up DC-DC converter that is designed for powering devices from low-voltage sources such as batteries, making it useful in portable applications. The company is recognized for its commitment to innovation and technology, providing solutions that enhance performance and efficiency in electronic systems.

Application

The LTC3528BEDDB-2#TRMPBF is a micro-power, high-efficiency buck-boost converter primarily used in battery-powered devices. Its application areas include portable electronics, wireless sensor nodes, energy harvesting systems, and medical devices. It effectively manages power from varying voltage sources while maintaining a stable output, making it suitable for applications requiring low quiescent current and compact design.

Equivalent

The LTC3528BEDDB-2#TRMPBF is a boost converter. Equivalent products include the TPS61030 from Texas Instruments, the MCP1640 from Microchip, and the MAX856 from Maxim Integrated. When selecting alternatives, consider specifications such as input/output voltage range, efficiency, and package type to ensure compatibility with your application. Always verify with datasheets for exact match criteria.