LB11850VA-TLM-H

Product Overview

Category: Integrated Circuit (IC)

Use: LB11850VA-TLM-H is a voltage regulator IC designed for automotive applications. It provides stable and regulated power supply to various electronic components in vehicles.

Characteristics: - High efficiency - Wide input voltage range - Low dropout voltage - Overcurrent protection - Thermal shutdown protection

Package: LB11850VA-TLM-H is available in a compact surface-mount package, making it suitable for space-constrained automotive applications.

Essence: The essence of LB11850VA-TLM-H lies in its ability to regulate voltage efficiently and reliably, ensuring proper functioning of electronic systems in automobiles.

Packaging/Quantity: LB11850VA-TLM-H is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V - 40V
• Output Voltage Range: 2.5V - 37V
• Output Current: Up to 1.5A
• Dropout Voltage: 0.3V (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

LB11850VA-TLM-H features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. ADJ: Adjustable pin for setting output voltage

Functional Features

• Voltage Regulation: LB11850VA-TLM-H ensures a stable output voltage regardless of variations in input voltage or load conditions.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding connected devices from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature, LB11850VA-TLM-H automatically shuts down to prevent damage.
• Low Dropout Voltage: The IC maintains a low dropout voltage, minimizing power dissipation and maximizing efficiency.

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range allows compatibility with various automotive systems - Compact package suitable for space-constrained applications - Overcurrent and thermal protection ensure device and system safety

Disadvantages: - Limited output current capacity (up to 1.5A) - Requires external components for proper operation

Working Principles

LB11850VA-TLM-H operates based on the principle of voltage regulation. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. By continuously monitoring the input and output voltages, the IC ensures that the output voltage remains within the desired range, compensating for any variations caused by changes in load or input voltage.

Detailed Application Field Plans

LB11850VA-TLM-H finds application in various automotive systems, including: - Engine control units (ECUs) - Powertrain control modules (PCMs) - Body control modules (BCMs) - Infotainment systems - Lighting systems - Climate control systems

Detailed and Complete Alternative Models

1. LB11850VH-TLM-H: Similar to LB11850VA-TLM-H but with higher output current capacity (up to 3A).
2. LB11850VB-TLM-H: Variant with adjustable output voltage range for specific applications.
3. LB11850VC-TLM-H: Enhanced version with additional features such as short-circuit protection and reverse polarity protection.

These alternative models offer similar functionality to LB11850VA-TLM-H but cater to different requirements and specifications.

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