LTC1729CS8-4.2#PBF

Product Overview

Use

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

Characteristics

Input Voltage Range: 2.7V to 5.5V
Output Voltage: 4.2V
Output Current: Up to 250mA
Dropout Voltage: 300mV at 250mA
Low Quiescent Current: 30µA
Shutdown Current: <1µA
Operating Temperature Range: -40°C to 85°C
Package Type: 8-Lead Plastic Small Outline (SOIC)
RoHS Compliant: Yes

Packaging/Quantity

The LTC1729CS8-4.2#PBF is typically packaged in reels or tubes, containing a specific quantity of units per package. The exact packaging and quantity may vary depending on the supplier or manufacturer.

Specifications

Input Voltage Range: 2.7V to 5.5V
Output Voltage: 4.2V ±2%
Output Current: Up to 250mA
Dropout Voltage: 300mV at 250mA
Quiescent Current: 30µA
Shutdown Current: <1µA
Line Regulation: ±0.3% typical
Load Regulation: ±0.3% typical
Ripple Rejection: 70dB typical
Operating Temperature Range: -40°C to 85°C
Package Type: 8-Lead Plastic Small Outline (SOIC)
RoHS Compliant: Yes

Pin Configuration

The LTC1729CS8-4.2#PBF has the following pin configuration:

```

| | --| VOUT | --| GND | --| VIN | --| SHDN | |___________| ```

Pin Descriptions: - VOUT: Output Voltage - GND: Ground - VIN: Input Voltage - SHDN: Shutdown Control

Functional Features

Voltage Regulation: The LTC1729CS8-4.2#PBF provides a stable output voltage of 4.2V, ensuring reliable operation of connected devices.
Low Quiescent Current: With a quiescent current of only 30µA, this voltage regulator minimizes power consumption and extends battery life in portable applications.
Shutdown Control: The SHDN pin allows for easy on/off control of the regulator, further reducing power consumption during standby or idle periods.
Wide Input Voltage Range: The input voltage range of 2.7V to 5.5V makes this regulator suitable for a wide range of applications.

Advantages and Disadvantages

Advantages

Low quiescent current for power efficiency
Wide input voltage range for versatility
Shutdown control for power management
Compact package size for space-constrained designs
RoHS compliant for environmental considerations

Disadvantages

Limited output current capacity (up to 250mA)
Dropout voltage of 300mV may affect performance in low voltage scenarios

Working Principles

The LTC1729CS8-4.2#PBF is a linear voltage regulator that utilizes a feedback mechanism to maintain a constant output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to regulate the output voltage at the desired level. The regulator operates by continuously adjusting the resistance to maintain a stable output voltage, even with varying input voltages and load conditions.

Detailed Application Field Plans

The LTC1729CS8-4.2#PBF can be used in various applications, including but not limited to: 1. Battery-powered devices: Portable electronics, handheld instruments, and battery-operated sensors. 2. Embedded systems: Microcontrollers, digital signal processors, and other low-power integrated circuits. 3. Automotive electronics: On-board vehicle systems, infotainment systems, and dashboard displays. 4. Industrial control systems: PLCs (Programmable Logic Controllers), motor control units, and power management modules.

Detailed and Complete Alternative Models

LTC1729ES5-4.2#TRMPBF: SOT-23 package, 4.2V output voltage, 250mA output current.
LTC1729ES5-4.2#PBF: SOT-23 package, 4.2V output voltage, 250mA output current.
**LTC

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LTC1729CS8-4.2#PBF dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of LTC1729CS8-4.2#PBF in technical solutions:

Q: What is the LTC1729CS8-4.2#PBF? A: The LTC1729CS8-4.2#PBF is a low dropout linear regulator IC designed for use in various electronic applications.
Q: What is the input voltage range of LTC1729CS8-4.2#PBF? A: The input voltage range of LTC1729CS8-4.2#PBF is typically between 2.7V and 5.5V.
Q: What is the output voltage of LTC1729CS8-4.2#PBF? A: The output voltage of LTC1729CS8-4.2#PBF is fixed at 4.2V.
Q: What is the maximum output current of LTC1729CS8-4.2#PBF? A: The maximum output current of LTC1729CS8-4.2#PBF is typically around 250mA.
Q: What is the dropout voltage of LTC1729CS8-4.2#PBF? A: The dropout voltage of LTC1729CS8-4.2#PBF is typically around 300mV.
Q: Can I use LTC1729CS8-4.2#PBF in battery-powered applications? A: Yes, LTC1729CS8-4.2#PBF is suitable for battery-powered applications due to its low dropout voltage and wide input voltage range.
Q: Is LTC1729CS8-4.2#PBF short-circuit protected? A: Yes, LTC1729CS8-4.2#PBF has built-in short-circuit protection to prevent damage in case of a short circuit at the output.
Q: Can I use LTC1729CS8-4.2#PBF in automotive applications? A: Yes, LTC1729CS8-4.2#PBF is designed to meet automotive specifications and can be used in automotive applications.
Q: Does LTC1729CS8-4.2#PBF have thermal shutdown protection? A: Yes, LTC1729CS8-4.2#PBF has thermal shutdown protection to prevent overheating and ensure safe operation.
Q: What package does LTC1729CS8-4.2#PBF come in? A: LTC1729CS8-4.2#PBF is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for LTC1729CS8-4.2#PBF.