MAX798ESE+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, low-power, step-up DC-DC converter
• Package: 16-pin Narrow SOIC (Small Outline Integrated Circuit)
• Essence: Voltage regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 4V to 28V
• Switching Frequency: 1.2MHz
• Maximum Output Current: 100mA
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. SW: Switching node pin
4. FB: Feedback pin
5. EN: Enable pin
6. SS/TR: Soft-start/Tracking pin
7. VOUT: Output voltage pin
8. PGND: Power ground pin
9. LX: Inductor connection pin
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• High efficiency conversion of input voltage to output voltage
• Low power consumption
• Step-up DC-DC conversion
• Soft-start and tracking capability
• Overcurrent protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input and output voltage range allows for versatile applications - Small package size enables space-saving designs - Soft-start feature prevents inrush current - Overcurrent and thermal shutdown protection enhance reliability

Disadvantages: - Limited maximum output current (100mA) - Not suitable for high-power applications

Working Principles

The MAX798ESE+T is a step-up DC-DC converter that efficiently converts a low input voltage to a higher output voltage. It utilizes a switching regulator topology to achieve high efficiency and low power consumption. The device operates by rapidly switching an internal power transistor on and off, controlling the energy transfer from the input to the output. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the switching transistor to maintain a stable output voltage.

Detailed Application Field Plans

1. Battery-powered devices: The MAX798ESE+T can be used in portable electronic devices, such as smartphones, tablets, and wearable devices, to efficiently boost the battery voltage to power various components.
2. Industrial automation: The converter can be employed in industrial control systems to provide stable and regulated voltages for sensors, actuators, and other electronic components.
3. Automotive electronics: The device finds application in automotive systems, such as infotainment systems, where it can convert the vehicle's battery voltage to power audio amplifiers, displays, and other peripherals.

Detailed and Complete Alternative Models

1. MAX756: Similar step-up DC-DC converter with a higher maximum output current of 200mA.
2. MAX1507: Step-up DC-DC converter with adjustable output voltage and higher efficiency.
3. LT1308: High-power step-up DC-DC converter suitable for applications requiring higher output currents.

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

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