Datasheet > ISL6526AIR-T

ISL6526AIR-T

更新时间： 2024-11-29 19:50:15

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
18页	848K
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ISL6526AIR-T 数据手册

EW DESIGNS

EMENT PART

ENDED FOR N

NOT RECOMM

DED REPLAC

DATASHEET

RECOMMEN

ISL8105

ISL6526, ISL6526A

Single Synchronous Buck Pulse-Width Modulation (PWM) Controller

FN9055

Rev 12.00

Sep 30, 2015

The ISL6526, ISL6526A make simple work out of

implementing a complete control and protection scheme for

a DC/DC stepdown converter. Designed to drive N-Channel

MOSFETs in a synchronous buck topology, the ISL6526,

ISL6526A integrate the control, output adjustment,

Features

• Operates from 3.3V to 5V Input

• 0.8V to V Output Range

- 0.8V Internal Reference

monitoring and protection functions into a single package.

- ±1.5% Over Load, Line Voltage and Temperature

The ISL6526, ISL6526A provide simple, single feedback

loop, voltage-mode control with fast transient response. The

output voltage can be precisely regulated to as low as 0.8V,

with a maximum tolerance of ±1.5% over-temperature and

line voltage variations. A fixed frequency oscillator reduces

design complexity, while balancing typical application cost

and efficiency.

• Drives N-Channel MOSFETs

• Simple Single-Loop Control Design

- Voltage-Mode PWM Control

• Fast Transient Response

- High-Bandwidth Error Amplifier

- Full 0% to 100% Duty Cycle

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 cycles range from 0% to 100%.

• Lossless, Programmable Overcurrent Protection

- Uses Upper MOSFET’s r

DS(on)

• Converter can Source and Sink Current

• Small Converter Size

Protection from overcurrent conditions is provided by

- Internal Fixed Frequency Oscillator

monitoring the r

of the upper MOSFET to inhibit PWM

DS(ON)

ISL6526: 300kHz

ISL6526A: 600kHz

operation appropriately. This approach simplifies the

implementation and improves efficiency by eliminating the

need for a current sense resistor.

• Internal Soft-Start

• 14 Ld SOIC or 16 Ld 5x5 QFN

• QFN Package:

- Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat

No Leads - Package Outline

- Near Chip Scale Package Footprint, which Improves

PCB Efficiency and has a Thinner Profile

• Pb-Free (RoHS Compliant)

Applications

• Power Supplies for Microprocessors

- PCs

- Embedded Controllers

• Subsystem Power Supplies

- PCI/AGP/GTL+ Buses

- ACPI Power Control

- DDR SDRAM Bus Termination Supply

• Cable Modems, Set-Top Boxes, and DSL Modems

• DSP and Core Communications Processor Supplies

• Memory Supplies

• Personal Computer Peripherals

• Industrial Power Supplies

• 3.3V-Input DC/DC Regulators

• Low-Voltage Distributed Power Supplies

FN9055 Rev 12.00

Sep 30, 2015

Page 1 of 18

12 3 4 5 6 7...18

中文翻译

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与ISL6526AIR-T相关器件

型号	品牌	获取价格	描述	数据表
ISL6526AIRZ	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6526AIRZ-T	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6526AIRZ-TK	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation PWM Controller
ISL6526CB	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6526CBZ	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6526CBZ-T	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6526CR	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6526CR	RENESAS	获取价格	2A SWITCHING CONTROLLER, 325kHz SWITCHING FREQ-MAX, PQCC16, 5 X 5 MM, PLASTIC, MO-220-VHHB
ISL6526CR-T	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6526CR-T	RENESAS	获取价格	2A SWITCHING CONTROLLER, 325kHz SWITCHING FREQ-MAX, PQCC16, 5 X 5 MM, PLASTIC, MO-220-VHHB

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