CDC2509BPWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High efficiency, low power consumption
• Package: 16-pin SOIC (Small Outline Integrated Circuit)
• Essence: Regulates and controls power supply in electronic devices
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Output Current: Up to 500mA
• Quiescent Current: 40µA (typical)
• Switching Frequency: 1.2MHz (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. EN (Enable): Enable pin for turning the IC on/off.
2. GND (Ground): Ground reference for the IC.
3. FB (Feedback): Feedback pin for regulating the output voltage.
4. VOUT (Output Voltage): Output voltage pin.
5. VIN (Input Voltage): Input voltage pin.
6. SW (Switch): Switching pin for controlling the power flow.
7. PG (Power Good): Power good indicator pin.
8. NC (No Connection): No connection pin.
9. NC (No Connection): No connection pin.
10. NC (No Connection): No connection pin.
11. NC (No Connection): No connection pin.
12. NC (No Connection): No connection pin.
13. NC (No Connection): No connection pin.
14. NC (No Connection): No connection pin.
15. NC (No Connection): No connection pin.
16. VREF (Reference Voltage): Reference voltage pin.

Functional Features

• Efficient power management for electronic devices.
• Low power consumption in standby mode.
• Overcurrent and overtemperature protection.
• Soft start and shutdown functionality.
• Power good indicator for system monitoring.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power wastage. - Wide input voltage range allows compatibility with various power sources. - Small package size enables space-saving designs. - Overcurrent and overtemperature protection ensures device safety.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Higher cost compared to traditional linear regulators. - Requires external components for proper operation.

Working Principles

The CDC2509BPWR is a power management IC that regulates the output voltage based on the feedback received from the FB pin. It utilizes a switching regulator topology to efficiently convert the input voltage to the desired output voltage. The EN pin controls the enable/disable state of the IC, while the SW pin handles the switching of power flow. The VREF pin provides a reference voltage for accurate regulation.

Detailed Application Field Plans

The CDC2509BPWR is commonly used in various electronic devices that require efficient power management. Some application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. IoT Devices: Wearable devices, smart home appliances.
3. Consumer Electronics: Digital cameras, gaming consoles, audio/video equipment.
4. Industrial Equipment: Automation systems, control panels, sensors.
5. Automotive Electronics: Infotainment systems, navigation devices, lighting control.

Alternative Models

1. CDC2510BPWR
   • Similar specifications and features as CDC2509BPWR.
   • Different pin configuration.
2. CDC2509CPWR
   • Same specifications and features as CDC2509BPWR.
   • Different package type (8-pin SOIC).

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