LR9102G-25-AE5-R UTC Brand LDO Introduction

LR9102G-25-AE5-R is an LDO (Low Dropout Linear Regulator) produced by UTC (Unisonic Technologies Co., Ltd, Youshun Technology) brand. The following is a detailed introduction to it:

1、 Basic characteristics
Product model: LR9102G-25-AE5-R
Manufacturer: UTC (Youshun)
Package type: AE5 represents SOT-23-5 package
Output type: Fixed output
Output polarity: positive output
Number of output channels: 1
2、 Electrical parameters
Maximum input voltage: Typically, the maximum input voltage of an LDO is higher than its output voltage, but the specific value may vary depending on the model, please refer to the detailed data manual.
Output voltage: Based on the "25" symbol in the model, it can be inferred that the output voltage may be 2.5V (specific information should be subject to the data manual).
Output current: 300mA
Dropout Voltage: When the output current is 300mA, the voltage drop is usually very low to ensure stable operation under low voltage drop conditions.
Power Ripple Rejection Ratio (PSRR): 75dB (at 1kHz), demonstrating excellent noise suppression capability.
Working temperature range: -55~+150 ℃, suitable for a wide range of working temperature environments.
3、 Functional Features
High output voltage accuracy: Ensure the stability and accuracy of the output voltage.
Low power supply current: Maintain a low power supply current in both standby and working modes to reduce power consumption.
Low on resistance: reduces internal losses and improves efficiency.
High ripple suppression: effectively suppresses power supply noise and ensures the purity of output voltage.
Fast transient response: The response speed to line and load transients is fast, ensuring the stability of the system.
Internal protection function: It may include internal protection functions such as overcurrent protection and overheating protection to improve the reliability and safety of the chip.
4、 Application Fields
LR9102G-25-AE5-R is suitable for various application scenarios that require stable low-voltage power supply, such as:

Portable communication devices, such as mobile phones, walkie talkies, etc., serve as power management chips to provide stable power output.
Household appliances: small electronic devices such as digital cameras, camcorders, etc., used as power stabilizers.
Battery powered devices, such as handheld devices, wireless sensors, etc., provide stable power through LDO to extend battery life.
5、 Precautions
When using LR9102G-25-AE5-R, please refer to its detailed data manual and circuit diagram to ensure correct connection and configuration.
Pay attention to the range of input voltage and output voltage to avoid exceeding the specifications of the chip and causing damage.
When selecting and using LDO, factors such as packaging size and heat dissipation performance should also be considered to meet the specific application requirements.
Overall, LR9102G-25-AE5-R is a stable and comprehensive LDO chip suitable for various low-voltage power management needs. For more information or to purchase related chips, please visit UTC's official website or contact their authorized agent.