Datasheet > ISL9104IRUCZ-T

ISL9104IRUCZ-T

更新时间： 2024-11-08 11:13:03

品牌	Logo	应用领域
英特矽尔 - INTERSIL		转换器开关
页数	文件大小	规格书
13页	353K
描述
500mA 4.3MHz Low IQ High Efficiency Synchronous Buck Converter

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ISL9104IRUCZ-T 数据手册

ISL9104, ISL9104A

Data Sheet

July 9, 2009

FN6829.3

500mA 4.3MHz Low I High Efficiency

Features

Synchronous Buck Converter

• High Efficiency Integrated Synchronous Buck Regulator

with up to 93% Efficiency

The ISL9104, ISL9104A is a 500mA, 4.3MHz step-down

regulator, which is ideal for powering low-voltage

• 2.7V to 6.0V Supply Voltage

microprocessors in compact devices such as PDAs and

cellular phones. It is optimized for generating low output

voltages down to 0.8V. The supply voltage range is from

2.7V to 6V allowing the use of a single Li+ cell, three NiMH

cells or a regulated 5V input. It has guaranteed minimum

output current of 500mA. A high switching frequency of

4.3MHz pulse-width modulation (PWM) allows using small

external components. Under light load condition, the device

• 4.3MHz PWM Switching Frequency

• 500mA Guaranteed Output Current

• 3% Output Accuracy Over-Temperature and Line for Fixed

Output Options

• 20µA Quiescent Supply Current in Skip Mode

• Less than 1µA Logic Controlled Shutdown Current

• 100% Maximum Duty Cycle for Lowest Dropout

operates at low I skip mode with typical 20µA quiescent

current for highest light load efficiency to maximize battery

life, and it automatically switches to fixed frequency PWM

mode under heavy load condition.

• Ultrasonic Switching Frequency at Skip Mode to Prevent

Audible Frequency Noise (For ISL9104A Only)

• Discharge Output Capacitor when Disabled

• Internal Digital Soft-Start

The ISL9104, ISL9104A includes a pair of low

ON-resistance P-Channel and N-Channel internal MOSFETs

to maximize system efficiency and minimize the external

component count. 100% duty-cycle operation allows less

than 300mV dropout voltage at 500mA.

• Peak Current Limiting, Short Circuit Protection

• Over-Temperature Protection

The ISL9104, ISL9104A offers internal digital soft-start,

enable for power sequence, overcurrent protection and

thermal shutdown functions. In addition, the ISL9104,

ISL9104A offers a quick bleeding function that discharges

the output capacitor when the IC is disabled.

• Chip Enable

• Small 6 Pin 1.6mmx1.6mm µTDFN Package

• Pb-Free (RoHS Compliant)

Applications

The ISL9104, ISL9104A is offered in a 1.6x1.6mm µTDFN

package. The complete converter occupies less than

• Single Li-ion Battery-Powered Equipment

• Mobile Phones and MP3 Players

• PDAs and Palmtops

0.5CM .

Pinout

• WCDMA Handsets

ISL9104, ISL9104A

(6 LD 1.6x1.6 µTDFN)

TOP VIEW

• Portable Instruments

VIN

GND

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

1-888-INTERSIL or 1-888-468-3774 | 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ISL9104IRUCZ-T相关器件

型号	品牌	获取价格	描述	数据表
ISL9104IRUDEVAL1Z	RENESAS	获取价格	500mA 4.3MHz Low IQ High Efficiency Synchronous Buck Converter
ISL9104IRUDZ-T	INTERSIL	获取价格	500mA 4.3MHz Low IQ High Efficiency Synchronous Buck Converter
ISL9104IRUDZ-T	RENESAS	获取价格	500mA 4.3MHz Low IQ High Efficiency Synchronous Buck Converter
ISL9104IRUFEVAL1Z	RENESAS	获取价格	500mA 4.3MHz Low IQ High Efficiency Synchronous Buck Converter
ISL9104IRUFZ-T	INTERSIL	获取价格	500mA 4.3MHz Low IQ High Efficiency Synchronous Buck Converter
ISL9104IRUFZ-T	RENESAS	获取价格	500mA 4.3MHz Low IQ High Efficiency Synchronous Buck Converter
ISL9104IRUJEVAL1Z	RENESAS	获取价格	500mA 4.3MHz Low IQ High Efficiency Synchronous Buck Converter
ISL9104IRUJZ-T	INTERSIL	获取价格	500mA 4.3MHz Low IQ High Efficiency Synchronous Buck Converter
ISL9104IRUJZ-T	RENESAS	获取价格	500mA 4.3MHz Low IQ High Efficiency Synchronous Buck Converter
ISL9104IRUJZ-T7A	RENESAS	获取价格	500mA 4.3MHz Low IQ High Efficiency Synchronous Buck Converter; uTDFN6; Temp Range: -40&am

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