LM46000AQPWPTQ1

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Low quiescent current - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection - Small package size

Package: QFN (Quad Flat No-leads)

Essence: The LM46000AQPWPTQ1 is a power management IC designed to regulate voltage efficiently with low power consumption. It is commonly used in various electronic devices to provide stable power supply.

Packaging/Quantity: The LM46000AQPWPTQ1 is available in a QFN package, which does not have leads extending from the IC. It is supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.8V to 55V
• Quiescent Current: 25µA
• Maximum Output Current: 3A
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM46000AQPWPTQ1 has the following pin configuration:

1. VIN: Input voltage pin
2. EN: Enable pin for turning the IC on/off
3. FB: Feedback pin for adjusting the output voltage
4. GND: Ground pin
5. PG: Power Good indicator pin
6. VOUT: Output voltage pin

Functional Features

• High efficiency conversion of input voltage to regulated output voltage
• Low power consumption during standby or light load conditions
• Protection against overcurrent and thermal issues
• Power Good indicator for monitoring the output voltage stability

Advantages

• Wide input voltage range allows compatibility with various power sources
• Adjustable output voltage provides flexibility for different applications
• Small package size saves board space in electronic devices
• High efficiency reduces power loss and improves overall system performance

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Requires external components for proper operation, increasing complexity

Working Principles

The LM46000AQPWPTQ1 operates as a buck converter, which steps down the input voltage to a lower, regulated output voltage. It uses a pulse-width modulation (PWM) control scheme to adjust the duty cycle of the switching transistor, thereby regulating the output voltage. The IC also incorporates protection features to prevent damage from overcurrent and excessive temperature.

Detailed Application Field Plans

The LM46000AQPWPTQ1 is widely used in various applications, including:

1. Automotive electronics: Power supply for infotainment systems, lighting modules, and sensors.
2. Industrial equipment: Voltage regulation for motor drives, control systems, and communication modules.
3. Consumer electronics: Power management for smartphones, tablets, and portable devices.
4. Renewable energy systems: Voltage regulation for solar panels, wind turbines, and battery charging.

Detailed and Complete Alternative Models

1. LM46001AQPWPTQ1: Similar to LM46000AQPWPTQ1 but with higher maximum output current of 4A.
2. LM46002AQPWPTQ1: Similar to LM46000AQPWPTQ1 but with adjustable frequency for improved efficiency.
3. LM46003AQPWPTQ1: Similar to LM46000AQPWPTQ1 but with integrated power MOSFETs for simplified design.

(Note: This list is not exhaustive and there are other alternative models available.)

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