Datasheet > ISL6406

ISL6406

更新时间： 2024-11-20 22:55:35

品牌	Logo	应用领域
英特矽尔 - INTERSIL		控制器
页数	文件大小	规格书
18页	530K
描述
Single Synchronous Buck Pulse-Width Modulation (PWM) Controller

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ISL6406 数据手册

ISL6406, ISL6426

Data Sheet

November 1, 2004

FN9073.6

Single Synchronous Buck Pulse-Width

Modulation (PWM) Controller

Features

• Operates from 3.3V/5V Input

The ISL6406, ISL6426 is an adjustable frequency,

synchronous buck switching regulator optimized for

generating lower voltages for the distributed DC-DC

architectures. The ISL6406 offers an adjustable output

voltage, while the ISL6426 provides a fixed 1.8V output.

• 0.8V to V Output Range

- 0.8V Internal Reference

- ±1.5% Reference Accuracy

• Simple Single-Loop Control Design

- Voltage-Mode PWM Control

Designed to drive N-Channel MOSFETs in synchronous

buck topology, the ISL6406, ISL6426 integrates the control,

output adjustment and protection functions into a single

package.

• Fast Transient Response

- High-Bandwidth Error Amplifier

• Lossless, Programmable Overcurrent Protection

The ISL6406, ISL6426 provides simple, single feedback

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

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

The error amplifier features a 15MHz gain-bandwidth

product and 6V/µs slew rate which enables high converter

bandwidth for fast transient performance.

- Uses Upper MOSFET’s r

DS(on)

• Programmable Switching Frequency 100kHz–700kHz

• External Frequency Synchronization

• Two Device Options Available

- ISL6406 . . . . . . . . . . . . . . . . Adjustable Output Voltage

- ISL6426 . . . . . . . . . . . . . . . . . . . . . . Fixed 1.8V Output

Protection from overcurrent conditions is provided by

monitoring the r

of the upper MOSFET to inhibit PWM

DS(ON)

• Internal Soft-Start

operation appropriately. This approach simplifies the

implementation and improves efficiency by eliminating the

need for a current sense resistor.

• QFN Package Option

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

Flat No Leads - Product Outline

- QFN Near Chip Scale Package Footprint; Improves

PCB Efficiency, Thinner in Profile

The wide programmable switching frequency range of

100kHz to 700kHz allows the use of small surface mount

inductors and capacitors. The device also provides external

frequency synchronization making it an ideal choice for

DC-DC converter applications.

• Pb-Free Packaging Available (RoHS Compliant)

- Designated with “Z” Suffix (Refer to Note)

Applications

• 3V/5V DC-DC Converter Modules

• Distributed DC-DC 3.3V, 2.5V and 1.8V Power

Architectures for DSP, Logic, and Memory

• Power Supplies for Microprocessors

- PCs

- Embedded Controllers

• Memory Supplies

• Personal Computer Peripherals

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

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与ISL6406相关器件

型号	品牌	获取价格	描述	数据表
ISL6406_07	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6406CB	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6406CB-T	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6406CBZ	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6406CBZ-T	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6406CR	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6406CR-T	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6406CRZ	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6406CRZ-T	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6406CV	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller

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