LTC1148HVCN-3.3#PBF

Product Overview

Category

The LTC1148HVCN-3.3#PBF belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators category.

Use

This product is primarily used for voltage regulation in various electronic devices and systems.

Characteristics

• Input Voltage Range: 2.5V to 18V
• Output Voltage: 3.3V
• Output Current: Up to 500mA
• Dropout Voltage: 300mV
• Low Quiescent Current: 85µA
• Package Type: DFN-10
• Operating Temperature Range: -40°C to 125°C

Package and Quantity

The LTC1148HVCN-3.3#PBF is available in a DFN-10 package. It is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: The LTC1148HVCN-3.3#PBF can accept input voltages ranging from 2.5V to 18V.
• Output Voltage: It provides a regulated output voltage of 3.3V.
• Output Current: This voltage regulator can deliver an output current of up to 500mA.
• Dropout Voltage: The dropout voltage of the LTC1148HVCN-3.3#PBF is specified as 300mV.
• Quiescent Current: It has a low quiescent current of only 85µA, making it suitable for power-sensitive applications.
• Package Type: The LTC1148HVCN-3.3#PBF is packaged in a compact DFN-10 package.
• Operating Temperature Range: It can operate within a wide temperature range of -40°C to 125°C.

Pin Configuration

The LTC1148HVCN-3.3#PBF has the following pin configuration:

```

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| | --| VIN VOUT |-- --| GND GND |-- --| EN FB |-- |___________| ```

Pin Descriptions: - VIN: Input voltage pin - VOUT: Output voltage pin - GND: Ground pin - EN: Enable pin (active high) - FB: Feedback pin

Functional Features

1. Wide Input Voltage Range: The LTC1148HVCN-3.3#PBF can accept input voltages ranging from 2.5V to 18V, making it suitable for a variety of applications.
2. Low Dropout Voltage: With a dropout voltage of only 300mV, this voltage regulator minimizes power dissipation and improves efficiency.
3. Low Quiescent Current: The quiescent current of 85µA ensures minimal power consumption during standby or idle modes.
4. Output Current Protection: The LTC1148HVCN-3.3#PBF incorporates overcurrent protection to safeguard against excessive load currents.
5. Thermal Shutdown Protection: It features built-in thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage enhances efficiency and reduces power dissipation.
• Compact package size enables space-saving designs.
• Low quiescent current minimizes power consumption in standby mode.
• Overcurrent and thermal shutdown protection ensure device safety.

Disadvantages

• Limited output current capacity may not be suitable for high-power applications.
• Requires external components for proper operation, adding to the overall system complexity.

Working Principles

The LTC1148HVCN-3.3#PBF is a linear voltage regulator that utilizes a feedback mechanism to maintain a stable output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the internal pass transistor accordingly. The enable pin allows for control of the regulator's operation, enabling or disabling the output as required.

Detailed Application Field Plans

The LTC1148HVCN-3.3#PBF finds applications in various electronic systems, including but not limited to: 1. Battery-powered devices: Provides regulated power supply for portable electronics such as smartphones, tablets, and wearables. 2. Industrial automation: Suitable for powering sensors, actuators, and control circuits in industrial automation systems. 3. Automotive electronics: Used in automotive applications for voltage regulation in infotainment systems, lighting modules, and other subsystems. 4. Telecommunications: Enables stable power supply for networking equipment, routers, and communication devices. 5. IoT devices: Supports voltage regulation in Internet of Things (IoT) devices, ensuring reliable operation and power efficiency.

Detailed and