RT9285CGQW

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, compact size
• Package: QFN-16
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage Range: 1.2V - 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 300mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9285CGQW has a total of 16 pins arranged as follows:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. VOUT: Output Voltage
6. NC: No Connection
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. PG: Power Good Indicator

Functional Features

• High efficiency conversion
• Low dropout voltage
• Overcurrent protection
• Thermal shutdown protection
• Power good indicator

Advantages and Disadvantages

Advantages: - High efficiency results in less power dissipation - Compact size allows for space-saving designs - Overcurrent and thermal shutdown protection ensure device safety - Power good indicator provides visual feedback on the output status

Disadvantages: - Limited maximum output current of 500mA - Input voltage range is restricted to 2.5V - 6V

Working Principles

The RT9285CGQW is a voltage regulator that maintains a stable output voltage regardless of input voltage fluctuations. It achieves this by using an internal feedback mechanism that continuously adjusts the output voltage based on the reference voltage and the feedback voltage. The device operates in a switching mode, which allows for high efficiency conversion and low dropout voltage.

Detailed Application Field Plans

The RT9285CGQW is commonly used in various electronic devices where a stable voltage supply is required. Some typical application fields include:

1. Mobile devices: Smartphones, tablets, portable media players
2. Wireless communication systems: Wi-Fi modules, Bluetooth devices
3. Battery-powered devices: Portable gaming consoles, digital cameras
4. Industrial equipment: Sensors, control systems
5. Automotive electronics: Infotainment systems, navigation devices

Detailed and Complete Alternative Models

1. RT9285CGQX: Similar specifications and features, but available in a different package (SOT-23-5).
2. RT9285DGQW: Higher maximum output current of 1A, suitable for applications with higher power requirements.
3. RT9285BGQW: Lower quiescent current of 20µA, ideal for battery-powered devices requiring minimal standby power consumption.

(Note: This list is not exhaustive and other alternative models may exist.)

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