High-Precision Three-Terminal Voltage Regulator – JY5P Series

The JY5P series is a high-precision three-terminal voltage regulator designed to provide stable output under varying conditions.

Specifically engineered for applications where battery life and consistent performance are critical, the JY5P voltage regulator

ensures precise voltage regulation, offering low dropout voltage and excellent load regulation.

Product Overview

The JY5P series high-precision three-terminal voltage regulator operates with a minimal voltage difference, providing high output

current capabilities with excellent load regulation. The chip integrates a high-precision reference voltage source and an overcurrent

protection circuit for the output power transistor. This makes it particularly suitable for portable devices that require strict power

management and long battery life, such as mobile phones, PDAs, and portable media players.

Applications

• Mobile phones
• PDAs
• Portable media players (e.g., P3 players)
• Other handheld portable devices

TYPICAL APPLICATION CIRCUIT

Features & Advantages

• High-Precision Output Voltage: The JY5P series provides a highly stable 5V output (±2%), ideal for sensitive electronic devices.
• Low Static Current Consumption: With a typical static current of just 2mA, it ensures efficient power use, contributing to longer battery life.
• High Current Output: Capable of delivering up to 250mA output current, suitable for a wide range of devices that require stable power.
• Low Dropout Voltage: The regulator offers low dropout voltage (1.7V at 80mA), making it efficient even when the input voltage is close to the output voltage.
• Temperature Stability: With a low output voltage temperature coefficient (0.65mV/°C), it ensures stable performance over a wide temperature range, from -40°C to 125°C.

ABSOLUTE MAXIMUM RATING

Electrical Characteristics

• Output Voltage (VOUT): 5V with a linear adjustment rate of 80mV and load regulation of 50mV (at 100mA).
• Power Supply Rejection Ratio (PSRR): 49dB, which reduces noise in sensitive applications.
• Voltage Noise (VOUTNOISE): The output noise is minimal at 40µV, ensuring a clean and stable power supply.

Why Choose the JY5P High-Precision Three-Terminal Voltage Regulator?

The JY5P series is designed to offer exceptional performance, reliability, and efficiency for applications that require stable voltage regulation

with minimal power loss. The high-precision three-terminal voltage regulator features robust protection circuits, stable output voltage,

and low power consumption, ensuring the longevity and reliability of battery-powered devices.

Whether you are developing consumer electronics or portable devices, the JY5P series provides a reliable solution for your voltage regulation

needs. This voltage regulator meets the demands of the modern electronic market, combining precision with efficiency.

PACKAGE OUTLINE