ISL8120IRZ

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ISL8120IRZ

IC REG CTRLR BUCK 32QFN

  • Производитель
  • Мфр. Часть #ISL8120IRZ
  • Пакет
  • Лист данных
  • В наличии6344

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Спецификации

Part Status Last Time Buy
Output Type Transistor Driver
Function Step-Down
Output Configuration Positive
Topology Buck
Number of Outputs 2
Output Phases 2
Voltage - Supply (Vcc/Vdd) 3V ~ 5.6V
Frequency - Switching 150kHz ~ 1.5MHz
Duty Cycle (Max) 90%
Synchronous Rectifier Yes
Clock Sync Yes
Control Features Current Limit, Enable, Power Good
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 32-VFQFN Exposed Pad
Supplier Device Package 32-QFN (5x5)
Base Product Number ISL8120

Обзор

Description

The ISL8120IRZ is a versatile and efficient synchronous buck PWM controller designed for high-performance power conversion applications. It is produced by Renesas Electronics and is part of their extensive lineup of power management ICs. The ISL8120IRZ is capable of driving two N-channel MOSFETs in a synchronous buck configuration, which allows it to deliver high power efficiency and performance.
Key features of the ISL8120IRZ include a wide input voltage range, typically from 3V to 36V, which makes it suitable for a variety of applications, including point-of-load converters and embedded systems. It offers programmable switching frequency up to 1.5 MHz, allowing for optimized performance and size reduction of external components. The controller also includes overcurrent protection, undervoltage lockout, and thermal shutdown features to ensure reliable operation under various conditions.
Additionally, the ISL8120IRZ supports adjustable output voltage and soft-start functionality, allowing for flexibility in power supply design and reduced inrush current during startup. Its compact packaging and robust design make it an excellent choice for designing efficient power management solutions in space-constrained applications.

Features

The ISL8120IRZ is a versatile synchronous buck controller designed to simplify the implementation of a dual-output or two-phase single-output power supply. Key features include:
1. Wide Input Range: It supports a broad input voltage range from 4.5V to 60V, making it suitable for various applications.
2. Output Configurations: The controller can be configured for dual independent outputs or a single high-current output through two-phase operation.
3. Current Sharing: In two-phase operation, the ISL8120IRZ features automatic current sharing for balanced loading across the phases.
4. Programmability: Offers programmable switching frequency (100kHz to 1.25MHz) and soft-start control for flexibility and precise control over power supply behavior.
5. Protection Features: Includes over-current, over-voltage, and over-temperature protection to enhance reliability and safety.
6. Efficiency: Designed to deliver high efficiency across a wide load range, reducing power loss and heat generation.
7. Compact Package: Available in a small 4mm x 4mm QFN package, the ISL8120IRZ is ideal for space-constrained applications.
This combination of features makes it suitable for use in telecom, industrial, and computing applications where efficiency and flexibility are critical.

Package

The ISL8120IRZ is a DC-DC controller typically housed in a 24-lead QFN (Quad Flat No-lead) package. This type of package is designed for efficient thermal performance and compact size, making it suitable for high-density applications.

Pinout

The ISL8120IRZ is a dual-phase PWM controller designed for buck applications. It is commonly used for regulating power supply voltages efficiently. This controller is housed in a 20-lead QFN package.
Here is a brief overview of its pin functions:
1. VCC: Provides the supply voltage for the IC.
2. EN: Enable pin to control the operation of the IC.
3. FB: Feedback pin for voltage regulation.
4. COMP: Compensation network connection.
5. SS: Soft-start pin to control the startup timing.
6. SYNC: Synchronization input/output for multi-phase operation.
7. RT: Resistor timing pin for frequency setting.
8. PGOOD: Power-good indicator output.
9. PWM1/PWM2: PWM outputs for driving external MOSFET drivers.
10. ILIM: Current limit setting pin.
11. VREF: Provides a reference voltage.
12. GND: Ground connection.
13. PHASE1/PHASE2: Sense connections for phase current balance.
14. VIN: Input voltage sensing.
15. ISEN1/ISEN2: Current sense inputs for each phase.
16. RAMP: Ramp signal input for PWM modulation.
17. BOOT1/BOOT2: Bootstrap capacitor connection for high-side gate drive.
These pins enable the ISL8120 to manage and control the power conversion efficiently.

Manufacturer

The ISL8120IRZ is manufactured by Renesas Electronics Corporation. Renesas is a global semiconductor company known for developing microcontrollers, analog, power, and system-on-chip (SoC) products. They provide solutions for a wide range of applications, including automotive, industrial, home electronics, and information communication technology. Renesas is recognized for its innovative and reliable semiconductor solutions.

Application

The ISL8120IRZ is a versatile PWM controller designed for multi-output and multiphase DC/DC converters. Its application areas include telecommunications, computing, and data networking equipment, where it efficiently manages power conversion in point-of-load (POL) applications. It is also suitable for industrial and medical equipment, where reliable power delivery is critical. The controller's ability to handle synchronous buck or boost configurations makes it ideal for systems requiring high efficiency and performance under varying load conditions.

Equivalent

The ISL8120IRZ is a synchronous buck controller. Equivalent products include:
1. TPS40170 by Texas Instruments
2. LTC3851 by Analog Devices (formerly Linear Technology)
3. LM5116 by Texas Instruments
4. MAX17501 by Maxim Integrated (now part of Analog Devices)
These alternatives offer similar functions and can be used in comparable applications, but specifications should be checked for exact compatibility with your requirements.

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