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ICE3AR4780JZ

Name: ICE3AR4780JZ
Rating: 4.7 (12 reviews)

AC/DC Converters Off-Line SMPS Curr Ctlr w/Integrt 800V

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資料表 ICE3AR4780JZ DataSheet
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Packaging	Tube
Standard Pack Qty	2000

概述

Description

The ICE3AR4780JZ is a power integrated circuit (IC) designed for switch-mode power supply (SMPS) applications. It features a high-voltage power MOSFET and a PWM controller, making it suitable for offline flyback converters. This IC operates with a wide input voltage range, typically from 85V to 265V AC, and supports various output power levels up to around 80W.
Key features include built-in over-voltage protection (OVP), over-temperature protection (OTP), and short-circuit protection (SCP), enhancing reliability and safety. The ICE3AR4780JZ also offers low standby power consumption and high efficiency, optimizing energy use in applications like adapters, chargers, and LED drivers. Its compact design and integrated functionality simplify circuit design, reduce component count, and lower overall system costs.
This IC is widely used in consumer electronics, industrial power supplies, and renewable energy systems, reflecting its versatility in addressing modern power management needs.

Features

The ICE3AR4780JZ is a high-performance power integrated circuit primarily designed for off-line and DC-DC converter applications. Key features include:
1. High Voltage Range: Supports input voltages up to 600V, making it suitable for various power supply designs.
2. Integrated Functions: Combines a high-voltage startup cell, oscillator, and a power MOSFET, which reduces component count and board space.
3. Frequency Adjustment: Offers adjustable switching frequency (up to 100 kHz), allowing for optimization of efficiency and size.
4. Low Standby Power: Features low standby power consumption, enhancing energy efficiency.
5. Protection Mechanisms: Includes built-in protections such as over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown, ensuring safe operation.
6. Compact Package: Available in a compact DIP-8 package, facilitating easy integration into PCB designs.
Overall, the ICE3AR4780JZ is ideal for power supply designs requiring high efficiency and reliability.

Package

The ICE3AR4780JZ is packaged in a DPAK (TO-252) format, which is a surface-mount package suitable for power applications. It features a compact design, allowing for efficient thermal management and reduced PCB space.

Pinout

The ICE3AR4780JZ is a power supply controller IC from Infineon Technologies, primarily designed for offline power supply applications. It comes in a 7-pin package (DPAK).
Pin Count and Functions:
1. Pin 1 - VCC: Supply voltage for the IC.
2. Pin 2 - GND: Ground connection.
3. Pin 3 - CSN: Current sense negative input for overcurrent protection.
4. Pin 4 - CS: Current sense positive input for feedback control.
5. Pin 5 - VOUT: Output voltage feedback pin.
6. Pin 6 - REF: Reference voltage output for internal circuitry.
7. Pin 7 - Gate: Gate drive output for the external MOSFET.
This controller is optimized for use in flyback converters and offers features like low standby power, frequency modulation, and built-in protection mechanisms.

Manufacturer

The ICE3AR4780JZ is manufactured by Infineon Technologies AG. Infineon is a leading global semiconductor manufacturer headquartered in Neubiberg, Germany. The company specializes in various sectors, including automotive, industrial power control, and security technologies. Infineon produces a wide range of semiconductor products, including power semiconductors, microcontrollers, and sensors, catering to diverse applications such as electric vehicles, renewable energy, and smart cities. The ICE3AR4780JZ is specifically a high-performance AC-DC converter IC designed for power supply applications, showcasing Infineon’s expertise in energy-efficient solutions.

Application

The ICE3AR4780JZ is a power supply controller used primarily in switch-mode power supplies (SMPS) for various applications. Its common areas include consumer electronics, such as televisions and chargers, industrial power supplies, LED lighting, and telecom equipment. It offers features like high efficiency, compact design, and low standby power consumption, making it suitable for energy-efficient applications.

Equivalent

The ICE3AR4780JZ chip is a part of the ICE3AR family of power supply controllers. Equivalent products include the VIPER22A from STMicroelectronics, the LNK305DG from Power Integrations, and the TEA1761 from NXP. Ensure compatibility with specific application requirements, such as voltage ratings and features, when selecting alternatives.