MAX1935ETA15+T

Product Overview

Category: Integrated Circuits (ICs)
Use: Voltage Regulators - Switching Regulators
Characteristics: High Efficiency, Low Dropout Voltage, Adjustable Output Voltage
Package: 8-TDFN Exposed Pad
Essence: This product is a high-efficiency, low-dropout voltage regulator that provides an adjustable output voltage.
Packaging/Quantity: Tape & Reel (TR) packaging, with a quantity of 2500 units per reel.

Specifications

Input Voltage Range: 2.7V to 5.5V
Output Voltage Range: 1.25V to 3.3V
Output Current: Up to 500mA
Dropout Voltage: 120mV at 300mA
Quiescent Current: 40µA
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1935ETA15+T has the following pin configuration:

VIN: Input Voltage Pin
GND: Ground Pin
FB: Feedback Pin
EN: Enable Pin
VOUT: Output Voltage Pin
SW: Switching Node Pin
PGND: Power Ground Pin
LX: Inductor Connection Pin

Functional Features

High Efficiency: The MAX1935ETA15+T utilizes a synchronous rectification scheme, resulting in high efficiency and reduced power dissipation.
Low Dropout Voltage: With a dropout voltage as low as 120mV, this voltage regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
Adjustable Output Voltage: The output voltage can be adjusted within a range of 1.25V to 3.3V, providing flexibility for various applications.

Advantages and Disadvantages

Advantages: - High efficiency design - Low dropout voltage - Adjustable output voltage - Small package size - Wide input voltage range

Disadvantages: - Limited output current capacity (up to 500mA) - Requires external components for operation

Working Principles

The MAX1935ETA15+T is a switching regulator that uses a pulse-width modulation (PWM) control scheme. It operates by rapidly switching an internal power transistor on and off to regulate the output voltage. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output voltage.

Detailed Application Field Plans

The MAX1935ETA15+T can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial equipment - Automotive systems - Communication devices

Detailed and Complete Alternative Models

Some alternative models to the MAX1935ETA15+T include: - MAX1935ETA18+T: Adjustable output voltage range of 1.8V to 3.3V - MAX1935ETA25+T: Adjustable output voltage range of 2.5V to 3.3V - MAX1935ETA33+T: Fixed output voltage of 3.3V

These alternative models provide similar functionality with different output voltage options.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX1935ETA15+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX1935ETA15+T in technical solutions:

Q: What is the MAX1935ETA15+T? A: The MAX1935ETA15+T is a high-efficiency, low-quiescent-current, synchronous step-down DC-DC converter.
Q: What is the input voltage range of the MAX1935ETA15+T? A: The input voltage range is typically between 2.7V and 5.5V.
Q: What is the output voltage of the MAX1935ETA15+T? A: The output voltage is fixed at 1.5V.
Q: What is the maximum output current of the MAX1935ETA15+T? A: The maximum output current is typically 1A.
Q: Can the MAX1935ETA15+T operate in a wide temperature range? A: Yes, it can operate in a temperature range of -40°C to +85°C.
Q: Does the MAX1935ETA15+T have built-in protection features? A: Yes, it includes overcurrent protection, thermal shutdown, and undervoltage lockout.
Q: Is the MAX1935ETA15+T suitable for battery-powered applications? A: Yes, it is designed for low-power applications and is well-suited for battery-powered devices.
Q: Can the MAX1935ETA15+T be used in portable electronic devices? A: Absolutely, it is commonly used in smartphones, tablets, portable media players, and other similar devices.
Q: What is the efficiency of the MAX1935ETA15+T? A: The efficiency can reach up to 95% under typical operating conditions.
Q: Are there any application notes or reference designs available for the MAX1935ETA15+T? A: Yes, Maxim Integrated provides application notes and reference designs that can help with the implementation of the MAX1935ETA15+T in various technical solutions.

Please note that the answers provided here are general and may vary depending on specific requirements and use cases. It is always recommended to refer to the datasheet and relevant documentation for accurate information.