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ISL6525集成電路(IC)的PMIC-穩(wěn)壓器-DCDC開(kāi)關(guān)式控制器規(guī)格書PDF中文資料

ISL6525
廠商型號(hào)

ISL6525

參數(shù)屬性

ISL6525 封裝/外殼為14-SOIC(0.154",3.90mm 寬);包裝為卷帶(TR);類別為集成電路(IC)的PMIC-穩(wěn)壓器-DCDC開(kāi)關(guān)式控制器;產(chǎn)品描述:IC REG CTRLR BUCK 14SOIC

功能描述

Buck and Synchronous-Rectifier Pulse-Width Modulator (PWM) Controller

文件大小

120.5 Kbytes

頁(yè)面數(shù)量

11 頁(yè)

生產(chǎn)廠商 Intersil Corporation
企業(yè)簡(jiǎn)稱

Intersil

中文名稱

Intersil Corporation官網(wǎng)

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更新時(shí)間

2024-12-24 22:50:00

ISL6525規(guī)格書詳情

The ISL6525 provides complete control and protection for a DC-DC converter optimized for high-performance microprocessor applications. It is designed to drive two N Channel MOSFETs in a synchronous-rectified buck topology. The ISL6525 integrates all of the control, output adjustment, monitoring and protection functions into a single package. A programmable delay time for the PGOOD signal makes it especially suitable for the VTT regulation in VRM8.5 applications.

The output voltage of the converter can be precisely regulated to as low as 1.20V, with a maximum tolerance of ±1 over temperature and line voltage variations.

The ISL6525 provides simple, single feedback loop, voltage mode control with fast transient response. It includes a 200kHz free-running triangle-wave oscillator that is adjustable from below 50kHz to over 1MHz. The error amplifier features a 15MHz gain-bandwidth product and 6V/μs slew rate which enables high converter bandwidth for fast transient performance. The resulting PWM duty ratio ranges from 0 to 100.

The ISL6525 protects against over-current conditions by inhibiting PWM operation. The ISL6525 monitors the current by using the rDS(ON) of the upper MOSFET which eliminates the need for a current sensing resistor.

Features

? Drives Two N-Channel MOSFETs

? Operates From +5V or +12V Input

? Simple Single-Loop Control Design

- Voltage-Mode PWM Control

? Fast Transient Response

- High-Bandwidth Error Amplifier

- Full 0 to 100 Duty Ratio

? Excellent Output Voltage Regulation

- 1.20V Internal Reference

- ±1 Over Line Voltage and Temperature

? Programmable delay for PGOOD signal

? Over-Current Fault Monitor

- Does Not Require Extra Current Sensing Element

- Uses MOSFETs rDS(ON)

? Small Converter Size

- Constant Frequency Operation

- 200kHz Free-Running Oscillator Programmable from

50kHz to Over 1MHz

? 14 Pin, SOIC Package

? Pb-Free Available (RoHS Compliant)

Applications

? Power Supply for Various Microprocessors

? VTT Regulation for VRM8.5

? High-Power 5V to 3.xV DC-DC Regulators

? Low-Voltage Distributed Power Supplies

產(chǎn)品屬性

  • 產(chǎn)品編號(hào):

    ISL6525CB

  • 制造商:

    Renesas Electronics America Inc

  • 類別:

    集成電路(IC) > PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)式控制器

  • 包裝:

    卷帶(TR)

  • 輸出類型:

    晶體管驅(qū)動(dòng)器

  • 功能:

    降壓

  • 輸出配置:

  • 拓?fù)洌?/span>

    降壓

  • 輸出階段:

    1

  • 電壓 - 供電 (Vcc/Vdd):

    10.8V ~ 13.2V

  • 頻率 - 開(kāi)關(guān):

    200kHz

  • 占空比(最大):

    100%

  • 同步整流器:

  • 時(shí)鐘同步:

    無(wú)

  • 控制特性:

    頻率控制,相位控制,電源良好,軟啟動(dòng)

  • 工作溫度:

    0°C ~ 70°C(TA)

  • 安裝類型:

    表面貼裝型

  • 封裝/外殼:

    14-SOIC(0.154",3.90mm 寬)

  • 供應(yīng)商器件封裝:

    14-SOIC

  • 描述:

    IC REG CTRLR BUCK 14SOIC

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