Datasheet > ISL6520BCB-T

ISL6520BCB-T

更新时间： 2024-11-27 22:27:23

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
10页	352K
描述
Single Synchronous Buck Pulse-Width Modulation (PWM) Controller

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ISL6520BCB-T 数据手册

ISL6520B

Data Sheet

January 20, 2005

FN9083.2

Single Synchronous Buck Pulse-Width

Modulation (PWM) Controller

Features

• Operates from +5V Input

The ISL6520B makes simple work out of implementing a

complete control scheme for a DC-DC stepdown converter.

Designed to drive N-channel MOSFETs in a synchronous

buck topology, the ISL6520B integrates the control, output

adjustment and monitoring 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 ISL6520B 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

• Small Converter Size

- 300kHz Fixed Frequency Oscillator

- Internal Soft Start

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%.

- 8 Ld SOIC or 16Ld 4x4mm 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

Pinouts

ISL6520B (8 LD SOIC)

TOP VIEW

• Pb-Free Available (RoHS Compliant)

PHASE

COMP/SD

BOOT 1

Applications

UGATE

GND

• Power Supplies for Microprocessors

- PCs

LGATE 4

VCC

- Embedded Controllers

• Subsystem Power Supplies

ISL6520B (16 LD QFN)

TOP VIEW

- PCI/AGP/GTL+ Buses

- ACPI Power Control

- SSTL-2 and DDR SDRAM Bus Termination Supply

• Cable Modems, Set Top Boxes, and DSL Modems

16 15 14 13

• DSP and Core Communications Processor Supplies

• Memory Supplies

BOOT

UGATE

GND

COMP/SD

• Personal Computer Peripherals

• Industrial Power Supplies

• 5V-Input DC-DC Regulators

• Low-Voltage Distributed Power Supplies

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...10

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ISL6520BCB-T 替代型号

型号	品牌	替代类型	描述	数据表
ISL6520BCBZ-T	INTERSIL	完全替代	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller

与ISL6520BCB-T相关器件

型号	品牌	获取价格	描述	数据表
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
ISL6520BCR-T	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6520BCRZ	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6520BCRZ-T	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6520BIB	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6520BIR	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6520BIR-T	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6520BIRZ	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller

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