TC1174VOA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current, Adjustable Output Voltage
• Package: SOT-23
• Essence: Regulates input voltage to a desired output voltage level
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.25V to 5.5V
• Dropout Voltage: 200mV at 100mA load current
• Quiescent Current: 50µA typical
• Output Current: 250mA maximum
• Line Regulation: 0.02%/V typical
• Load Regulation: 0.04%/mA typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TC1174VOA is a 5-pin device with the following pin configuration:

1. GND: Ground connection
2. VIN: Input voltage supply
3. VOUT: Output voltage
4. ADJ: Adjust pin for setting the output voltage
5. BYP: Bypass capacitor connection

Functional Features

• Low dropout voltage ensures efficient regulation even with small voltage differentials between input and output.
• Low quiescent current minimizes power consumption in standby or idle mode.
• Adjustable output voltage allows flexibility in selecting the desired voltage level.
• Excellent line and load regulation characteristics ensure stable output voltage under varying conditions.

Advantages and Disadvantages

Advantages

• Compact SOT-23 package enables space-saving designs.
• Wide input voltage range provides compatibility with various power sources.
• Low dropout voltage allows for efficient regulation in low-power applications.
• Adjustable output voltage offers versatility in different circuit requirements.

Disadvantages

• Maximum output current of 250mA may limit usage in high-power applications.
• Limited pin configuration options restricts flexibility in circuit design.

Working Principles

The TC1174VOA is a linear voltage regulator that utilizes a pass transistor to regulate the input voltage to a desired output voltage level. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly to maintain a stable output voltage. The adjustable output voltage is set using an external resistor connected to the ADJ pin.

Detailed Application Field Plans

The TC1174VOA is suitable for a wide range of applications, including but not limited to:

1. Battery-powered devices: Provides regulated voltage for portable electronics, such as smartphones, tablets, and wearable devices.
2. Industrial equipment: Ensures stable power supply for sensors, actuators, and control systems.
3. Automotive electronics: Regulates voltage for various automotive components, including infotainment systems, lighting, and engine control units.
4. Communication systems: Maintains consistent voltage levels for routers, switches, and wireless access points.
5. Medical devices: Provides reliable power for medical instruments, patient monitoring systems, and diagnostic equipment.

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable Voltage Regulator, SOT-223 package, 800mA maximum output current.
2. LT1763-ADJ: Low Dropout Regulator, SOT-23 package, 500mA maximum output current.
3. MCP1700-ADJ: Low Quiescent Current LDO Regulator, SOT-23 package, 250mA maximum output current.
4. TS2950-ADJ: Adjustable Voltage Regulator, SOT-89 package, 150mA maximum output current.
5. MAX6037: Low Dropout Voltage Regulator, SOT-23 package, 300mA maximum output current.

These alternative models offer similar functionality and can be considered as substitutes for the TC1174VOA in various applications.

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