MAX8869EUE33+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low-dropout (LDO) regulator, fixed output voltage, ultra-small package size
• Package: 16-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Provides a stable and regulated output voltage for electronic devices
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 3.3V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 40µA typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8869EUE33+T has a total of 16 pins. The pin configuration is as follows:

1. IN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. BYP: Bypass capacitor pin
5. FB: Feedback pin
6. OUT: Output voltage pin
7. NC: No connection
8. NC: No connection
9. NC: No connection
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

• Low dropout voltage ensures efficient power conversion.
• Fixed output voltage eliminates the need for external resistors.
• Ultra-small package size saves board space in compact designs.
• Excellent line and load regulation for stable output voltage.
• Low quiescent current prolongs battery life in portable devices.
• Thermal shutdown and current limit protection for device safety.

Advantages and Disadvantages

Advantages: - Compact size allows for integration into space-constrained applications. - Fixed output voltage simplifies circuit design and reduces component count. - Low dropout voltage ensures efficient power conversion. - Excellent line and load regulation provides a stable output voltage.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Narrow input voltage range restricts compatibility with certain systems. - Lack of adjustable output voltage limits flexibility in some designs.

Working Principles

The MAX8869EUE33+T is a low-dropout voltage regulator that maintains a fixed output voltage of 3.3V, regardless of variations in the input voltage. It operates by comparing the feedback voltage (FB) with an internal reference voltage. The error amplifier adjusts the pass transistor to maintain a constant output voltage. The enable pin (EN) controls the regulator's operation, allowing it to be turned on or off as needed.

Detailed Application Field Plans

The MAX8869EUE33+T is commonly used in various electronic devices that require a stable 3.3V power supply. Some typical application fields include:

1. Portable Electronics: Smartphones, tablets, portable media players.
2. IoT Devices: Wearable devices, smart home sensors, connected appliances.
3. Industrial Equipment: Data loggers, measurement instruments, control systems.
4. Automotive Electronics: Infotainment systems, navigation devices, dashboard displays.
5. Medical Devices: Patient monitoring equipment, diagnostic devices, medical sensors.

Detailed and Complete Alternative Models

1. MAX8869EUE25+T: Fixed 2.5V output voltage variant.
2. MAX8869EUE18+T: Fixed 1.8V output voltage variant.
3. MAX8869EUE50+T: Fixed 5.0V output voltage variant.
4. MAX8869EUE12+T: Fixed 1.2V output voltage variant.

These alternative models provide different fixed output voltages to suit specific application requirements while sharing similar characteristics and package options.

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