AP1506-12T5RG-U

Basic Information Overview

• Category: Power Management IC
• Use: Voltage Regulator
• Characteristics:
  • High efficiency
  • Low dropout voltage
  • Adjustable output voltage
  • Overcurrent and thermal protection
• Package: TO-263-5L (D2PAK)
• Essence: Step-down switching regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.75V to 18V
• Output Voltage Range: 1.25V to 15V
• Output Current: Up to 1.5A
• Dropout Voltage: 1.3V at 1.5A
• Quiescent Current: 5mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AP1506-12T5RG-U has a total of five pins: 1. VIN: Input voltage pin 2. GND: Ground pin 3. FB: Feedback pin for adjusting the output voltage 4. EN: Enable pin for turning the regulator on/off 5. VOUT: Output voltage pin

Functional Features

• Step-down voltage regulation
• Adjustable output voltage through feedback pin
• Overcurrent protection shuts down the regulator in case of excessive load
• Thermal protection prevents overheating of the IC
• Enable pin allows for easy on/off control

Advantages

• High efficiency leads to reduced power dissipation
• Low dropout voltage ensures stable output even with low input voltages
• Adjustable output voltage provides flexibility for various applications
• Overcurrent and thermal protection enhance reliability and safety
• Easy on/off control simplifies system integration

Disadvantages

• Limited output current capacity (up to 1.5A)
• Requires external components for proper operation
• Not suitable for high voltage applications

Working Principles

The AP1506-12T5RG-U is a step-down switching regulator that converts a higher input voltage to a lower output voltage. It utilizes a pulse-width modulation (PWM) control scheme to regulate the output voltage. The feedback pin (FB) allows for adjusting the output voltage by connecting an external resistor divider network. The enable pin (EN) enables or disables the regulator as per system requirements. The IC incorporates overcurrent and thermal protection mechanisms to safeguard against excessive load and overheating.

Detailed Application Field Plans

The AP1506-12T5RG-U finds applications in various fields, including: 1. Consumer electronics: Powering portable devices, such as smartphones, tablets, and digital cameras. 2. Industrial equipment: Providing stable voltage for motor drives, sensors, and control systems. 3. Automotive electronics: Regulating voltage for infotainment systems, lighting modules, and powertrain components. 4. Telecommunications: Powering networking equipment, routers, and base stations. 5. LED lighting: Driving LED strips, bulbs, and panels with precise voltage control.

Detailed and Complete Alternative Models

1. AP1506-12T5RG-TR: Same specifications and features, but packaged in a tape & reel format with 3000 units per reel.
2. AP1506-12T5RG-13: Similar to AP1506-12T5RG-U, but with extended temperature range (-40°C to +125°C).
3. AP1506-12T5RG-HF: Halogen-free version of AP1506-12T5RG-U, complying with environmental regulations.

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