ISL95866CIRZ-T

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: High efficiency, compact size, advanced features
Package: QFN (Quad Flat No-Lead)
Essence: Voltage Regulator
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Input Voltage Range: 4.5V to 28V
Output Voltage Range: 0.6V to 5.5V
Output Current: Up to 6A
Efficiency: Up to 95%
Switching Frequency: 1MHz
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL95866CIRZ-T has a total of 32 pins. The pin configuration is as follows:

VIN: Input voltage
GND: Ground
VCC: Internal supply voltage
BOOT: Bootstrap capacitor connection
PHASE: Phase node connection
COMP: Compensation pin for feedback control
FB: Feedback voltage input
SS: Soft-start capacitor connection
PGND: Power ground
LGATE: Low-side MOSFET gate driver output
PGATE: Power MOSFET gate driver output
AGND: Analog ground
ISENSE+: Positive current sense input
ISENSE-: Negative current sense input
VDRV: External driver voltage input
VDRV_GND: External driver ground
VDRV_OUT: External driver output
VDRV_IN: External driver input
VDRV_FB: External driver feedback input
VDRV_COMP: External driver compensation input
VDRV_SS: External driver soft-start input
VDRV_PGND: External driver power ground
VDRV_LGATE: External driver low-side gate output
VDRV_PGATE: External driver power gate output
VDRV_AGND: External driver analog ground
VDRV_ISENSE+: External driver positive current sense input
VDRV_ISENSE-: External driver negative current sense input
VDRV_VIN: External driver input voltage
VDRV_VCC: External driver internal supply voltage
VDRV_BOOT: External driver bootstrap capacitor connection
VDRV_PHASE: External driver phase node connection
VDRV_COMP: External driver compensation pin for feedback control

Functional Features

High efficiency power conversion
Wide input and output voltage range
Integrated protection features (overcurrent, overvoltage, undervoltage)
Adjustable switching frequency
Soft-start capability for smooth power-up
Adaptive voltage positioning for improved performance

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Compact size allows for space-saving designs - Advanced features enhance system performance - Integrated protection ensures reliable operation - Adjustable switching frequency provides flexibility

Disadvantages: - Higher cost compared to traditional linear regulators - Requires careful PCB layout and thermal management - Limited output current compared to some high-power applications

Working Principles

The ISL95866CIRZ-T is a voltage regulator IC that converts an input voltage into a regulated output voltage. It utilizes a switching regulator architecture to achieve high efficiency. The input voltage is first stepped down to a lower voltage using a high-frequency switch. This switched voltage is then filtered and regulated to provide a stable output voltage. The IC incorporates various control mechanisms to maintain the desired output voltage under different load conditions. It also includes protection features to safeguard against overcurrent, overvoltage, and undervoltage events.

Detailed Application Field Plans

The ISL95866CIRZ-T is widely used in various applications that require efficient power management. Some of the common application fields include:

Computer motherboards
Servers and data centers
Industrial automation systems
Telecommunications equipment
Automotive electronics
Consumer electronics

In these applications, the IC provides voltage regulation for different components such as processors, memory modules, communication interfaces, and power amplifiers. Its compact size and high efficiency make it suitable for space-constrained and power-sensitive designs.

Detailed and Complete Alternative Models

ISL95866CIRZ: Similar to ISL95866CIRZ-T but without tape and reel packaging.
ISL95866CIRZ-TR: Similar to ISL95866CIRZ-T but with 3000 units per reel packaging.
ISL95866CIRZ-RT: Similar to ISL95866CIRZ-T but with reverse pin configuration.

These alternative models offer similar functionality and performance

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL95866CIRZ-T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ISL95866CIRZ-T in technical solutions:

Q: What is ISL95866CIRZ-T? A: ISL95866CIRZ-T is a highly integrated single-phase buck PWM controller designed for CPU power supply applications.
Q: What is the input voltage range of ISL95866CIRZ-T? A: The input voltage range of ISL95866CIRZ-T is typically between 4.5V and 25V.
Q: What is the output voltage range of ISL95866CIRZ-T? A: The output voltage range of ISL95866CIRZ-T can be adjusted from 0.6V to 5.5V.
Q: What is the maximum output current supported by ISL95866CIRZ-T? A: ISL95866CIRZ-T can support a maximum output current of up to 30A.
Q: Does ISL95866CIRZ-T have overcurrent protection? A: Yes, ISL95866CIRZ-T features overcurrent protection to safeguard against excessive current draw.
Q: Can ISL95866CIRZ-T operate in a synchronous rectification mode? A: Yes, ISL95866CIRZ-T supports both synchronous and asynchronous rectification modes.
Q: Is ISL95866CIRZ-T compatible with Intel VR12.x specifications? A: Yes, ISL95866CIRZ-T is fully compliant with Intel VR12.x specifications.
Q: Does ISL95866CIRZ-T have a built-in soft-start function? A: Yes, ISL95866CIRZ-T incorporates a soft-start function to minimize inrush current during startup.
Q: Can ISL95866CIRZ-T be used in multiphase configurations? A: No, ISL95866CIRZ-T is specifically designed for single-phase buck converter applications.
Q: What package does ISL95866CIRZ-T come in? A: ISL95866CIRZ-T is available in a 32-lead QFN (Quad Flat No-Lead) package.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.