CP3CN37VVAWQX/NOPB

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: High efficiency, compact size, low power consumption
• Package: QFN (Quad Flat No-Lead)
• Essence: Voltage Regulator
• 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 1A
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%
• Switching Frequency: 1.2MHz

Detailed Pin Configuration

The CP3CN37VVAWQX/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. SW: Switching pin
6. PG: Power Good pin
7. VOUT: Output voltage pin

Functional Features

• Integrated synchronous step-down converter
• Adjustable output voltage through external resistors
• Soft-start function for controlled startup
• Overcurrent protection
• Thermal shutdown protection
• Power good indicator

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Compact size allows for space-saving designs
• Wide input voltage range enables versatile applications
• Adjustable output voltage provides flexibility
• Integrated protection features enhance reliability

Disadvantages

• Limited output current may not be suitable for high-power applications
• Requires external resistors for output voltage adjustment

Working Principles

The CP3CN37VVAWQX/NOPB is a voltage regulator that converts an input voltage within the range of 2.7V to 5.5V to a regulated output voltage between 0.8V and 3.6V. It utilizes a synchronous step-down converter architecture to achieve high efficiency. The switching frequency of 1.2MHz allows for compact size and low power consumption.

The regulator can be enabled or disabled using the EN pin, and the output voltage can be adjusted by connecting external resistors to the FB pin. The soft-start function ensures a controlled startup, preventing excessive inrush current.

The CP3CN37VVAWQX/NOPB incorporates overcurrent protection to safeguard against excessive load currents. In case of a thermal overload, the device activates the thermal shutdown protection, preventing damage due to overheating. The power good indicator (PG pin) provides a signal indicating when the output voltage is within the specified range.

Detailed Application Field Plans

The CP3CN37VVAWQX/NOPB finds applications in various fields, including:

1. Portable electronic devices: Powering smartphones, tablets, and wearable devices.
2. IoT (Internet of Things): Providing power management for connected devices.
3. Industrial equipment: Regulating voltages in control systems and sensors.
4. Automotive electronics: Powering infotainment systems, lighting, and other components.
5. Battery-powered systems: Extending battery life by efficiently regulating voltages.

Detailed and Complete Alternative Models

1. CP3CN38VVAWQX/NOPB: Similar to CP3CN37VVAWQX/NOPB but with higher output current capability (up to 2A).
2. CP3CN36VVAWQX/NOPB: Similar to CP3CN37VVAWQX/NOPB but with a lower input voltage range (1.8V to 5.5V).
3. CP3CN37VVAXQX/NOPB: Similar to CP3CN37VVAWQX/NOPB but in a different package (SOT-23).

These alternative models offer similar functionality with slight variations in specifications and packaging options.

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