MAX8890ETCDDD+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Noise, Small Package Size
• Package: TDFN-10 (3mm x 3mm)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.3V
• Maximum Output Current: 500mA
• Quiescent Current: 30µA (typical)
• Dropout Voltage: 120mV at 500mA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8890ETCDDD+T has a total of 10 pins arranged as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin
6. SW: Switching pin
7. PGND: Power ground pin
8. NC: No connection
9. NC: No connection
10. VDD: Supply voltage pin

Functional Features

• High efficiency voltage regulation
• Low output noise
• Fast transient response
• Overcurrent and thermal protection
• Low quiescent current in shutdown mode
• Soft-start feature for controlled power-up

Advantages and Disadvantages

Advantages: - High efficiency results in longer battery life - Small package size allows for space-saving designs - Wide input voltage range provides flexibility in various applications - Fast transient response ensures stable output voltage during load changes

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Dropout voltage may affect performance in low input voltage scenarios

Working Principles

The MAX8890ETCDDD+T is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V into a regulated output voltage between 1.2V and 3.3V. It utilizes a switching regulator topology to achieve high efficiency and low noise operation.

The device employs a feedback mechanism to continuously monitor the output voltage and adjust the internal control circuitry to maintain a stable output. It also incorporates overcurrent and thermal protection features to safeguard against potential damage.

Detailed Application Field Plans

The MAX8890ETCDDD+T is commonly used in portable electronic devices, such as smartphones, tablets, and wearable devices. Its small package size and low quiescent current make it ideal for power management in space-constrained applications.

Specific application fields include: - Mobile phones - Portable media players - Bluetooth headsets - GPS navigation systems - IoT devices

Detailed and Complete Alternative Models

1. MAX8891ETCDDD+T: Similar specifications and pin configuration, but with higher maximum output current (800mA).
2. MAX8892ETCDDD+T: Similar specifications and pin configuration, but with lower dropout voltage (80mV at 500mA).

These alternative models can be considered based on specific application requirements and desired performance characteristics.

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