LTC1730ES8-4.2#PBF

Product Overview

Category

The LTC1730ES8-4.2#PBF belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 6V
• Output Voltage: 4.2V
• Maximum Output Current: 1A
• Dropout Voltage: 300mV
• Low Quiescent Current: 30µA
• Package Type: SOIC-8
• Operating Temperature Range: -40°C to 125°C

Package and Quantity

The LTC1730ES8-4.2#PBF is available in an SOIC-8 package. It is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: The LTC1730ES8-4.2#PBF can accept input voltages ranging from 2.7V to 6V.
• Output Voltage: This regulator provides a fixed output voltage of 4.2V.
• Maximum Output Current: The maximum current that can be drawn from the output is 1A.
• Dropout Voltage: The dropout voltage of this device is 300mV, ensuring stable operation even when the input voltage is close to the output voltage.
• Low Quiescent Current: With a quiescent current of only 30µA, the LTC1730ES8-4.2#PBF minimizes power consumption in standby or low-load conditions.
• Package Type: This product is housed in an SOIC-8 package, which offers compactness and ease of integration into various circuit designs.
• Operating Temperature Range: The LTC1730ES8-4.2#PBF can operate within a wide temperature range, from -40°C to 125°C, making it suitable for use in various environments.

Pin Configuration

The LTC1730ES8-4.2#PBF features an SOIC-8 package with the following pin configuration:

```

---

| | --| VIN GND |-- Pin 1: VIN (Input Voltage) --| VOUT NC |-- Pin 2: VOUT (Output Voltage) --| GND GND |-- Pin 3: GND (Ground) --| FB NC |-- Pin 4: FB (Feedback) --| EN NC |-- Pin 5: EN (Enable) --| NC NC |-- Pin 6: Not Connected --| NC NC |-- Pin 7: Not Connected --| GND NC |-- Pin 8: GND (Ground) |___________| ```

Functional Features

• Voltage Regulation: The LTC1730ES8-4.2#PBF provides precise voltage regulation, ensuring a stable output voltage of 4.2V regardless of input voltage fluctuations.
• Low Dropout Voltage: With a dropout voltage of only 300mV, this regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The low quiescent current of 30µA minimizes power consumption during standby or low-load conditions, enhancing overall energy efficiency.
• Enable Pin: The EN pin allows for easy control of the regulator's operation. By toggling the enable signal, the user can turn the regulator on or off as needed.

Advantages and Disadvantages

Advantages

• Precise voltage regulation ensures a stable output voltage.
• Low dropout voltage allows for efficient operation even with small input-output differentials.
• Low quiescent current minimizes power consumption in standby or low-load conditions.
• Enable pin provides convenient control over the regulator's operation.

Disadvantages

• Limited to a fixed output voltage of 4.2V, which may not be suitable for all applications requiring variable output voltages.
• Maximum output current of 1A may not be sufficient for high-power applications.

Working Principles

The LTC1730ES8-4.2#PBF operates as a linear voltage regulator. It utilizes a feedback mechanism to maintain a constant output voltage of 4.2V. The regulator compares the actual output voltage with a reference voltage and adjusts the internal circuitry to ensure the desired output voltage is maintained. This feedback loop continuously monitors and regulates the output voltage, compensating for any changes in the input voltage or load conditions.

Application Field Plans

The LTC1730ES8-4.2#PBF finds applications in various electronic systems that require stable and regulated voltage supply. Some potential application fields include:

1. Battery-Powered Devices: Portable