Datasheet > ISL6520AIBZ

ISL6520AIBZ

更新时间： 2024-11-27 22:57:23

品牌	Logo	应用领域
英特矽尔 - INTERSIL		开关光电二极管控制器
页数	文件大小	规格书
11页	378K
描述
Single Synchronous Buck Pulse-Width Modulation (PWM) Controller

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ISL6520AIBZ 数据手册

ISL6520A

Data Sheet

December 28, 2004

FN9016.3

Single Synchronous Buck Pulse-Width

Modulation (PWM) Controller

Features

• Operates from +5V Input

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.

• 0.8V to V 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

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.

• Fast Transient Response

- High-Bandwidth Error Amplifier

- Full 0% to 100% Duty Cycle

• Lossless, Programmable Overcurrent Protection

- Uses Upper MOSFET’s r

DS(ON)

The error amplifier features a 15MHz gain-bandwidth

product and 8V/µs slew rate which enables high converter

bandwidth for fast transient performance. The resulting PWM

duty cycles range from 0% to 100%.

• Small Converter Size

- 300kHz Fixed Frequency Oscillator

- Internal Soft Start

- 8 Ld SOIC or 16Ld 4x4mm QFN

Protection from overcurrent conditions is provided by

• QFN Package:

monitoring the r

of the upper MOSFET to inhibit PWM

DS(ON)

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

No Leads - Package Outline

operation appropriately. This approach simplifies the

implementation and improves efficiency by eliminating the

need for a current sense resistor.

- Near Chip Scale Package footprint, which improves

PCB efficiency and has a thinner profile

• Pb-Free Available (RoHS Compliant)

Ordering Information

TEMP.

RANGE (°C)

PKG.

DWG. #

Applications

PART NUMBER

ISL6520ACB

PACKAGE

8 Ld SOIC

• Power Supplies for Microprocessors

- PCs

0 to 70

M8.15

ISL6520ACBZ

(Note 1)

8 Ld SOIC (Pb-free) M8.15

- Embedded Controllers

• Subsystem Power Supplies

- PCI/AGP/GTL+ Buses

ISL6520ACBZA-T

(Note 1)

0 to 70

8 LdSOICTapeand M8.15

Reel (Pb-free)

- ACPI Power Control

ISL6520AIB

-40 to 85 8 Ld SOIC

M8.15

- SSTL-2 and DDR SDRAM Bus Termination Supply

ISL6520AIBZ (Note 1)

ISL6520ACR

-40 to 85 8 Ld SOIC (Pb-free) M8.15

• Cable Modems, Set Top Boxes, and DSL Modems

• DSP and Core Communications Processor Supplies

• Memory Supplies

0 to 70

16 Ld 4x4mm QFN L16.4x4

ISL6520ACRZ (Note 1)

16 Ld 4x4mm QFN L16.4x4

(Pb-free)

ISL6520AIR

-40 to 85 16 Ld 4x4mm QFN L16.4x4

• Personal Computer Peripherals

ISL6520AIRZ (Note 1)

-40 to 85 16 Ld 4x4mm QFN L16.4x4

(Pb-free)

• Industrial Power Supplies

• 5V-Input DC-DC Regulators

ISL6520EVAL1

NOTE:

Evaluation Board

• Low-Voltage Distributed Power Supplies

1. Intersil Pb-free products employ special Pb-free material sets; molding

compounds/die attach materials and 100% matte tin plate termination finish,

which are RoHS compliant and compatible with both SnPb and Pb-free soldering

operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow

temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J

STD-020.

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.

12 3 4 5 6 7...11

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ISL6520AIBZ 替代型号

型号	品牌	替代类型	描述	数据表
ISL6520AIB	INTERSIL	类似代替	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller

与ISL6520AIBZ相关器件

型号	品牌	获取价格	描述	数据表
ISL6520AIR	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6520AIRZ	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6520AIRZ	RENESAS	获取价格	SWITCHING CONTROLLER, 340kHz SWITCHING FREQ-MAX, PQCC16, 4 X 4 MM, LEAD FREE, PLASTIC, MO-
ISL6520AIRZ	ROCHESTER	获取价格	SWITCHING CONTROLLER, 340 kHz SWITCHING FREQ-MAX, PQCC16, 4 X 4 MM, LEAD FREE, PLASTIC, MO
ISL6520B	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6520BCB	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6520BCB-T	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6520BCBZ	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6520BCBZ-T	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6520BCR	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller

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