TLV7021DPWR

Product Overview

• Category: Integrated Circuits
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current
• Package: PowerPAD MSOP-8
• Essence: Linear Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 160mV at 150mA load current
• Quiescent Current: 1.5µA (typical)
• Output Current: 150mA
• Line Regulation: ±0.03% (typical)
• Load Regulation: ±0.05% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TLV7021DPWR is an integrated circuit with an MSOP-8 package. The pin configuration is as follows:

1. EN (Enable): Enable pin for turning the regulator on/off.
2. GND (Ground): Ground reference for the IC.
3. IN (Input): Input voltage supply pin.
4. OUT (Output): Output voltage pin.

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output differentials.
• Low quiescent current ensures minimal power consumption during standby or idle modes.
• Fast transient response enables quick stabilization of the output voltage.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit and reverse polarity protection enhance reliability.

Advantages and Disadvantages

Advantages

• Small form factor and low profile package make it suitable for space-constrained applications.
• Wide input voltage range allows for compatibility with various power sources.
• Low dropout voltage minimizes power dissipation and extends battery life.
• Excellent line and load regulation ensure stable output voltage under different conditions.
• Thermal shutdown protection enhances device reliability.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Requires external components (input/output capacitors) for proper operation.

Working Principles

The TLV7021DPWR 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, adjusting the pass transistor's resistance to maintain a constant output voltage. The enable pin allows for on/off control of the regulator.

Detailed Application Field Plans

The TLV7021DPWR is commonly used in various applications, including:

1. Battery-powered devices: Portable electronics, wearables, and IoT devices benefit from its low quiescent current and small form factor.
2. Automotive electronics: Provides stable voltage supply for sensors, actuators, and other automotive systems.
3. Industrial automation: Suitable for powering microcontrollers, sensors, and communication modules in industrial environments.
4. Home appliances: Used in smart home devices, white goods, and other household appliances requiring regulated power supply.

Detailed and Complete Alternative Models

1. LP2985AIM5-3.3/NOPB: 150mA, 3.3V fixed output voltage, SOT-23 package.
2. MCP1700T-3302E/TT: 250mA, 3.3V fixed output voltage, SOT-23 package.
3. TPS71533DCKR: 150mA, adjustable output voltage, SC-70 package.

These alternative models offer similar functionality and can be considered as substitutes for the TLV7021DPWR in specific applications.

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