MAX5035DASA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, low-power, step-down DC-DC converter
• Package: Surface Mount (SMD)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.6V to 90% of VIN
• Maximum Output Current: 3A
• Switching Frequency: 500kHz
• 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. EN: Enable pin
4. FB: Feedback pin
5. SS/TR: Soft-start/Tracking pin
6. PGND: Power ground pin
7. LX: Switching node pin
8. VOUT: Output voltage pin

Functional Features

• High efficiency conversion of input voltage to output voltage
• Low power consumption in standby mode
• Overcurrent protection
• Thermal shutdown protection
• Adjustable soft-start time
• Synchronization capability with external clock signal

Advantages and Disadvantages

Advantages

• High efficiency results in less power dissipation and longer battery life
• Wide input voltage range allows for versatile applications
• Compact surface mount package saves board space
• Overcurrent and thermal protection ensure safe operation

Disadvantages

• Limited maximum output current of 3A may not be suitable for high-power applications
• Requires an external clock signal for synchronization

Working Principles

The MAX5035DASA is a step-down DC-DC converter that uses a high-frequency switching technique to efficiently convert the input voltage to a lower output voltage. It employs a pulse-width modulation (PWM) control scheme 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. The soft-start/Tracking pin (SS/TR) allows for gradual ramp-up of the output voltage during startup. The enable pin (EN) controls the converter's on/off state.

Detailed Application Field Plans

The MAX5035DASA is commonly used in various applications, including:

1. Battery-powered devices: Portable electronics, handheld instruments, and battery-operated sensors.
2. Automotive systems: Infotainment systems, navigation devices, and power modules.
3. Industrial equipment: PLCs (Programmable Logic Controllers), motor drives, and control systems.
4. Telecommunications: Networking equipment, routers, and switches.
5. LED lighting: LED drivers for indoor and outdoor lighting applications.

Detailed and Complete Alternative Models

• MAX5036DASA
• MAX5037DASA
• MAX5038DASA
• MAX5039DASA
• MAX5040DASA

These alternative models offer similar functionality and specifications, providing options for different design requirements.

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