MPQ4558DQ-LF-Z

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, adjustable output voltage, thermal shutdown protection
• Package: DFN-10 (3x3mm)
• Essence: This IC is designed to regulate voltage in various electronic devices.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MPQ4558DQ-LF-Z has a total of 10 pins, which are labeled as follows:

1. EN: Enable pin
2. FB: Feedback pin
3. GND: Ground pin
4. VOUT: Output voltage pin
5. VIN: Input voltage pin
6. NC: No connection
7. NC: No connection
8. NC: No connection
9. NC: No connection
10. PG: Power good indicator pin

Functional Features

• Adjustable output voltage through external resistors
• Low dropout voltage ensures efficient power conversion
• Thermal shutdown protection prevents overheating
• Power good indicator for monitoring the output voltage stability

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Compact package size - Adjustable output voltage

Disadvantages: - Limited maximum output current (500mA) - Dropout voltage may affect performance in low voltage applications

Working Principles

The MPQ4558DQ-LF-Z is a voltage regulator IC that uses a feedback mechanism to maintain a stable output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry accordingly. The enable pin allows the user to control the regulator's operation, while the power good indicator provides feedback on the stability of the output voltage.

Detailed Application Field Plans

The MPQ4558DQ-LF-Z can be used in various electronic devices that require regulated voltage, such as:

1. Mobile phones
2. Tablets
3. Portable media players
4. Digital cameras
5. Wireless communication devices

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable Voltage Regulator, TO-220 package
2. LT1763-3.3: Low Dropout Regulator, SOT-223 package
3. TPS79633: Ultra-Low Noise LDO Regulator, DSBGA package
4. ADP3339AKCZ-3.3-R7: High Accuracy LDO Regulator, SOT-223 package
5. MAX6035AAUR50: Micropower Voltage Reference, SOT-23 package

These alternative models offer similar functionality and can be considered as substitutes for the MPQ4558DQ-LF-Z in different applications.

In conclusion, the MPQ4558DQ-LF-Z is a versatile voltage regulator IC with adjustable output voltage, high efficiency, and thermal shutdown protection. Its compact package and wide input voltage range make it suitable for various electronic devices. However, its limited maximum output current and dropout voltage should be taken into consideration when selecting the appropriate application.