LM2700LD-ADJ

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LM2700LD-ADJ

IC REG BOOST ADJ 2.55A 14WSON

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  • Mfr.부분 #LM2700LD-ADJ
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사양

Part Status Obsolete
Function Step-Up
Output Configuration Positive
Topology Boost
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 2.2V
Voltage - Input (Max) 12V
Voltage - Output (Min/Fixed) 1.26V
Voltage - Output (Max) 17.5V
Current - Output 2.55A (Switch)
Frequency - Switching 600kHz, 1.25MHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 14-WFDFN Exposed Pad
Supplier Device Package 14-WSON (4x4)
Base Product Number LM2700

개요

Description

The LM2700LD-ADJ is a high-efficiency step-up (boost) DC-DC converter from Texas Instruments, designed for applications requiring a compact and efficient power supply solution. It can convert lower DC voltages to higher ones, making it suitable for battery-powered devices or applications where a stable voltage is needed despite varying input levels.
Key features of the LM2700LD-ADJ include:
- Adjustable output voltage range, providing flexibility for different applications.
- High efficiency, which helps in reducing power loss and extends battery life.
- Capable of driving high output currents, which is beneficial for powering devices that require more energy.
- Integrated power MOSFET, which simplifies the design and reduces the need for external components.
- Current-mode PWM control, offering good line and load regulation.
Typical applications of the LM2700LD-ADJ include LCD displays, handheld devices, and other electronic equipment requiring efficient power conversion. Its compact size and efficiency make it a popular choice for designers looking to optimize power management in their devices.

Features

The LM2700LD-ADJ is a step-up DC-DC converter designed for applications requiring a high-efficiency, low-component-count boost power supply. Here are some of its key features:
1. Adjustable Output Voltage: The device provides an adjustable output voltage, allowing flexibility to suit various applications.

2. High Efficiency: With efficiencies up to 90%, it minimizes power loss and heat generation, which is critical for battery-powered devices.

3. Wide Input Voltage Range: It supports a broad input voltage range, which enhances its versatility in different power supply configurations.

4. Switching Frequency: The LM2700LD-ADJ operates at a fixed frequency, enabling the use of smaller external components and reducing total solution size.

5. Current Mode Control: This feature offers fast transient response and easy loop compensation.

6. Internal Compensation: The device includes internal compensation, simplifying the design process and reducing external component count.

7. Soft Start: The soft-start feature limits inrush current during startup, protecting system components.

8. Over-Voltage Protection: It provides protection against over-voltage conditions to maintain device reliability.

These features make the LM2700LD-ADJ suitable for portable devices, LCD bias supplies, and other applications requiring efficient voltage boosting.

Package

The LM2700LD-ADJ is typically available in a WSON (Wafer Level Small Outline Package) type package. This package is designed to provide a compact footprint and efficient thermal performance for the adjustable voltage regulator.

Pinout

The LM2700LD-ADJ is a step-up DC-DC converter integrated circuit designed for boosting input voltages to higher output voltages. It typically comes in a surface-mount package like the 10-pin LLP (Leadless Leadframe Package). The functions of its pins are as follows:
1. SW: Switch pin, connected to the external inductor.
2. BST: Bootstrap capacitor pin, used for driving the gate of the internal NMOS switch.
3. FB: Feedback pin, for setting the output voltage.
4. EN: Enable pin, used to turn the device on or off.
5. COMP: Compensation pin, for stability of the regulator.
6. SGND: Signal ground pin, for reference voltage.
7. PGND: Power ground pin, connected to the return path of the inductor and input capacitors.
8. Vin: Input voltage pin, connected to the power source.
9. Vcc: Supply voltage pin for internal circuitry.
10. NC: No Connection, might be used for mechanical stability in the package.
This configuration allows the LM2700LD-ADJ to efficiently convert and regulate voltage with its integrated features and external components.

Manufacturer

The LM2700LD-ADJ is a product manufactured by Texas Instruments. Texas Instruments is a technology company renowned for designing and manufacturing semiconductors and various integrated circuits, which are used in a wide array of electronic applications. The company serves diverse industries, including automotive, industrial, personal electronics, and communications equipment. Texas Instruments is known for its innovation and development of products that contribute to the advancement of technology in various sectors.

Application

The LM2700LD-ADJ is a step-up (boost) DC-DC converter used in various applications requiring efficient voltage conversion and regulation. Key application areas include powering LCD displays, white LED drivers, battery-powered devices, portable electronics, and systems requiring regulated output from a lower voltage input. Its adjustable output voltage feature makes it versatile for different electronic designs, enhancing energy efficiency in devices where space and power efficiency are critical.

Equivalent

The LM2700LD-ADJ is a step-up DC-DC converter. Equivalent products could include:
1. TI's TPS61087: A high-efficiency boost converter.
2. Microchip's MCP1640: A low-voltage start-up boost converter.
3. Analog Devices’ LT1613: A high-frequency step-up converter.
4. ON Semiconductor's NCP1402: A micro-power boost converter.
5. Diodes Incorporated's AP3015: A step-up DC-DC converter.
Check datasheets for compatibility in terms of specifications like voltage, current, and frequency.

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