ISL6520A

概要

The ISL6520A makes 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 ISL6520A integrates the control, output adjustment, monitoring and protection functions into a single 8 Lead package. The ISL6520A 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, 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. The error amplifier features a 15MHz gain-bandwidth product and 8V/ms slew rate which enables high converter bandwidth for fast transient performance. The resulting PWM duty cycles range from 0% to 100%. Protection from overcurrent conditions is provided by monitoring the r_DS(ON) of the upper MOSFET to inhibit PWM operation appropriately. This approach simplifies the implementation and improves efficiency by eliminating the need for a current sense resistor.

Operates from +5V Input
0.8V to V_IN Output Range
0.8V Internal Reference
±1.5% Over Line Voltage and Temperature
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
Lossless, Programmable Overcurrent Protection
Uses Upper MOSFET's r_DS(ON)
Small Converter Size
300kHz Fixed Frequency Oscillator
Internal Soft-Start
8 Ld SOIC or 16 Ld 4mm x 4mm 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)

Power Supplies for Microprocessors PCs Embedded Controllers
Subsystem Power Supplies PCI/AGP/GTL+ Buses ACPI Power Control SSTL-2 and 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
5V-Input DC/DC Regulators
Low-Voltage Distributed Power Supplies

ドキュメント


分類	タイトル	日時
データシート	ISL6520A Datasheet PDF 665 KB	2004年1月14日
EOL通知	PLC17019 - Q2 Cy 17 General PLC Notice PDF 320 KB	2017年4月28日
製品変更通知	PCN13013 - Test Site Change for the Listed Intersil Products - Carsem (CAS) Ipoh Malaysia PDF 207 KB	2013年3月19日
製品変更通知	PCN12085 - 8l, 14l, 16l SOIC w/ Gold Bond Wire @ ATP as Alternate Assembly Site PDF 152 KB	2012年11月7日
アプリケーションノート	AN1681: Grounding Techniques PDF 509 KB	2004年1月19日
アプリケーションノート	AN1684: Nonideality of Ground PDF 397 KB	2004年1月19日
その他資料	TB417: Designing Stable Compensation Networks for Single Phase Voltage Mode Buck Regulators PDF 562 KB	2003年12月11日
7件

設計・開発

ISL6520EVAL1

Evaluation

詳しくはこちら

Single Synchronous Buck Pulse Width Modulation (PWM) Controller Evaluation Board

The ISL6520EVAL1 evaluation board highlights the operation of the ISL6520A synchronous buck PWM controller in an embedded application.

The evaluation board is...

主要ドキュメント:

ISL6520EVAL1 User Guide

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Processing table

	Pkg. Type	Carrier Type	Moisture Sensitivity Level (MSL)	Price (USD) \| 1ku	ご購入 / サンプル
(6) Obsolete / NRND / LTB	SOICN	Reel Tube	1	最大値参考価格は、1,000個を基準としています。また、予告なく変更される場合があります。最小値参考価格は、1,000個を基準としています。また、予告なく変更される場合があります。	サンプルを入手購入/見積
型名	Logical Operator	Logical Operator	Logical Operator		Logical Operator
ISL6520ACBZ circle最終購入とりまとめ品 memoryPkg. Info spa Env. Documentation view_in_ar PCB Symbol, Footprint, and 3D Model サンプル入手可能今すぐ購入する	SOICN	Tube	1		サンプルを入手, 購入/見積
ISL6520ACBZA circle廃止品 memoryPkg. Info spa Env. Documentation view_in_ar PCB Symbol, Footprint, and 3D Model	SOICN	Tube	1		購入/見積
ISL6520ACBZA-T circle廃止品 memoryPkg. Info spa Env. Documentation view_in_ar PCB Symbol, Footprint, and 3D Model	SOICN	Reel	1		購入/見積
ISL6520ACBZ-T circle最終購入とりまとめ品 memoryPkg. Info spa Env. Documentation view_in_ar PCB Symbol, Footprint, and 3D Model サンプル入手可能今すぐ購入する	SOICN	Reel	1	1.415	サンプルを入手, 購入/見積
ISL6520AIBZ circle廃止品 memoryPkg. Info view_in_ar PCB Symbol, Footprint, and 3D Model	SOICN	Tube	1		購入/見積
ISL6520AIBZ-T circle廃止品 memoryPkg. Info view_in_ar PCB Symbol, Footprint, and 3D Model	SOICN	Reel	1		購入/見積

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Single Synchronous Buck Pulse-Width Modulation (PWM) controller

概要

ドキュメント

設計・開発

ISL6520EVAL1

Single Synchronous Buck Pulse Width Modulation (PWM) Controller Evaluation Board

ECADモデル

製品選択

Tips for Using This Parametric Table:

マイクロコンピュータ

言語

ISL6520A

Single Synchronous Buck Pulse-Width Modulation (PWM) controller

概要

説明

特長

製品比較

アプリケーション

ドキュメント

設計・開発

ボード＆キット

ISL6520EVAL1

Single Synchronous Buck Pulse Width Modulation (PWM) Controller Evaluation Board

モデル

ECADモデル

製品選択

Tips for Using This Parametric Table: