LDK130PU32R

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low Dropout Voltage Regulator - 3.3V Fixed Output Voltage - SOT-89 Package - Low Quiescent Current - High Ripple Rejection Ratio

Package and Quantity: SOT-89 package, available in reels of 3000 units

Essence: LDK130PU32R is a power management IC that provides a stable 3.3V output voltage with low dropout voltage.

Specifications

Input Voltage Range: 2.5V to 6.0V
Output Voltage: 3.3V ±2%
Dropout Voltage: 200mV (typical) at 100mA load current
Quiescent Current: 50µA (typical)
Ripple Rejection Ratio: 70dB (typical) at 1kHz
Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LDK130PU32R has the following pin configuration:

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Pin Description: - Pin 1: Input Voltage (VIN) - Pin 2: Ground (GND) - Pin 3: Output Voltage (VOUT)

Functional Features

Low Dropout Voltage: The LDK130PU32R exhibits a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
Low Quiescent Current: With a quiescent current of only 50µA, the IC minimizes power consumption during standby or idle modes.
High Ripple Rejection Ratio: The high ripple rejection ratio of 70dB at 1kHz ensures effective suppression of noise and ripple in the output voltage.

Advantages and Disadvantages

Advantages: - Stable and accurate 3.3V output voltage - Low dropout voltage for efficient power conversion - Low quiescent current for reduced power consumption - High ripple rejection ratio for noise-free output

Disadvantages: - Limited input voltage range (2.5V to 6.0V) - SOT-89 package may require additional thermal considerations for high-power applications

Working Principles

The LDK130PU32R is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from the output, adjusting the pass transistor's resistance to maintain a stable output voltage.

Detailed Application Field Plans

The LDK130PU32R is commonly used in various electronic devices and systems where a stable 3.3V power supply is required. Some application fields include: - Battery-powered devices - Embedded systems - Consumer electronics - Industrial control systems - Communication equipment

Detailed Alternative Models

LDK130PU33R: Similar to LDK130PU32R but provides a fixed 3.3V output voltage.
LDK130PU25R: Provides a fixed 2.5V output voltage.
LDK130PU50R: Provides a fixed 5.0V output voltage.

These alternative models offer different fixed output voltages to suit specific application requirements.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LDK130PU32R in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of LDK130PU32R in technical solutions:

Q: What is LDK130PU32R? A: LDK130PU32R is a specific model of power management integrated circuit (PMIC) designed for use in various technical solutions.
Q: What are the key features of LDK130PU32R? A: Some key features of LDK130PU32R include multiple voltage regulators, low power consumption, overvoltage/undervoltage protection, and thermal shutdown.
Q: In what applications can LDK130PU32R be used? A: LDK130PU32R can be used in a wide range of applications such as IoT devices, wearables, portable electronics, and battery-powered systems.
Q: How many voltage regulators does LDK130PU32R have? A: LDK130PU32R has three voltage regulators, which can provide different output voltages to power various components in a system.
Q: What is the input voltage range supported by LDK130PU32R? A: LDK130PU32R supports an input voltage range of typically 2.7V to 5.5V, making it compatible with a variety of power sources.
Q: Does LDK130PU32R have any built-in protection mechanisms? A: Yes, LDK130PU32R includes overvoltage protection, undervoltage lockout, and thermal shutdown features to ensure safe operation and protect connected devices.
Q: Can LDK130PU32R operate in low-power modes? A: Yes, LDK130PU32R is designed to operate in low-power modes, consuming minimal power when the system is in standby or idle states.
Q: Is LDK130PU32R programmable? A: No, LDK130PU32R is not programmable. It operates based on its internal circuitry and does not require external programming.
Q: What is the typical efficiency of LDK130PU32R? A: LDK130PU32R has a typical efficiency of around 90%, which helps to minimize power losses and maximize battery life in portable devices.
Q: Are there any evaluation boards or reference designs available for LDK130PU32R? A: Yes, some manufacturers provide evaluation boards and reference designs that can help developers quickly prototype and integrate LDK130PU32R into their systems.

Please note that the answers provided here are general and may vary depending on the specific implementation and datasheet of LDK130PU32R.