LPC660AIM/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Adjustable Output, Current Limiting
• Package: SOT-23-5
• Essence: Linear Regulator
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 100mA load current
• Output Current: Up to 100mA
• Quiescent Current: 75µA typical
• Line Regulation: ±0.2% typical
• Load Regulation: ±0.4% typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LPC660AIM/NOPB is a 5-pin device with the following pin configuration:

1. GND (Ground)
2. IN (Input Voltage)
3. ADJ (Adjustment Pin)
4. NC (No Connection)
5. OUT (Output Voltage)

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Adjustable output voltage allows for flexibility in various applications.
• Current limiting feature protects the device and connected components from excessive current.
• Excellent line and load regulation ensure stable output voltage under varying conditions.

Advantages

• Small package size (SOT-23-5) makes it suitable for space-constrained designs.
• Wide input voltage range enables compatibility with various power sources.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Robust performance over a wide temperature range (-40°C to +125°C).

Disadvantages

• Limited output current (up to 100mA) may not be sufficient for high-power applications.
• Dropout voltage of 200mV may result in higher power dissipation compared to low dropout regulators.

Working Principles

The LPC660AIM/NOPB is a linear regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage obtained from the ADJ pin. The pass transistor adjusts its resistance to maintain a constant output voltage, compensating for input voltage variations and load changes.

Detailed Application Field Plans

The LPC660AIM/NOPB is commonly used in various applications, including:

1. Battery-powered devices: Provides stable voltage regulation for portable electronics.
2. IoT devices: Suitable for low-power sensors, actuators, and communication modules.
3. Automotive electronics: Used in automotive systems requiring precise voltage regulation.
4. Industrial control systems: Ensures reliable power supply for control circuitry.
5. Medical devices: Provides regulated voltage for medical equipment and implants.

Alternative Models

1. LM1117-ADJ: Adjustable Linear Voltage Regulator, SOT-223 package.
2. LT1763CS8-ADJ: Low Dropout Regulator, SOT-89 package.
3. TPS79633DCQR: Ultra-Low Noise LDO Regulator, VSSOP-8 package.
4. MCP1700T-3302E/TT: Low Quiescent Current LDO Regulator, SOT-23 package.

These alternative models offer similar functionality and can be considered as substitutes for the LPC660AIM/NOPB in different applications.

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