Datasheet > ISL8013

ISL8013

更新时间： 2024-11-10 14:57:47

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
18页	2244K
描述
3A Low Quiescent Current 1MHz High Efficiency Synchronous Buck Regulator

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ISL8013 数据手册

DATASHEET

ISL8013

FN6309

Rev 3.00

November 23, 2009

3A Low Quiescent Current 1MHz High Efficiency Synchronous Buck Regulator

The ISL8013 is a high efficiency, monolithic,

synchronous step-down DC/DC converter that can

Features

• High Efficiency Synchronous Buck Regulator with

up to 97% Efficiency

deliver up to 3A continuous output current from a 2.7V

to 5.5V input supply. It uses a current control

architecture to deliver very low duty cycle operation at

high frequency with fast transient response and

excellent loop stability.

• Power-Good (PG) Output with a 1ms Delay

• 2.7V to 5.5V Supply Voltage

• 3% Output Accuracy Over-Temperature/Load/Line

• 3A Output Current

The ISL8013 integrates a pair of low ON-resistance

P-Channel and N-Channel internal MOSFETs to

maximize efficiency and minimize external component

count. The 100% duty-cycle operation allows less than

300mV dropout voltage at 3A output current. High

1MHz pulse-width modulation (PWM) switching

frequency allows the use of small external components

and SYNC input enables multiple ICs to synchronize

out of phase to reduce ripple and eliminate beat

frequencies.

• Start-Up with Pre-Biased Output

• Internal Soft-Start - 1ms

• Soft-Stop Output Discharge During Disabled

• 35µA Quiescent Supply Current in PFM Mode

• Selectable Forced PWM Mode and PFM Mode

• External Synchronization up to 4MHz

• Less than 1µA Logic Controlled Shutdown Current

• 100% Maximum Duty Cycle

The ISL8013 can be configured for discontinuous or

forced continuous operation at light load. Forced

continuous operation reduces noise and RF

interference while discontinuous mode provides high

efficiency by reducing switching losses at light loads.

• Internal Current Mode Compensation

• Peak Current Limiting and Hiccup Mode Short

Circuit Protection

• Over-Temperature Protection

• Small 16 Ld 4mmx4mm QFN

• Pb-Free (RoHS Compliant)

Fault protection is provided by internal hiccup mode

current limiting during short circuit and overcurrent

conditions, an output over voltage comparator and

over-temperature monitor circuit. A power good output

voltage monitor indicates when the output is in

regulation.

Applications

• DC/DC POL Modules

• µC/µP, FPGA and DSP Power

• Plug-in DC/DC Modules for Routers and Switchers

• Portable Instruments

The ISL8013 is offered in a space saving 4x4 QFN lead

free package with exposed pad lead frames for low

thermal resistance.

• Test and Measurement Systems

• Li-ion Battery Powered Devices

• Small Form Factor (SFP) Modules

• Bar Code Readers

The ISL8013 includes a pair of low ON-resistance

P-Channel and N-Channel internal MOSFETs to

maximize efficiency and minimize external component

count. The 100% duty-cycle operation allows less than

300mV dropout voltage at 3A.

The ISL8013 offers a 1ms Power Good (PG) timer at

power-up. When shutdown, ISL8013 discharges the

output capacitor. Other features include internal

soft-start, internal compensation, overcurrent

protection, and thermal shutdown.

The ISL8013 is offered in a 4mmx4mm 16 Ld QFN

package with 1mm maximum height. The complete

converter occupies less than 0.4in area.

FN6309 Rev 3.00

November 23, 2009

Page 1 of 18

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与ISL8013相关器件

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ISL80136	INTERSIL	获取价格	40V, Low Quiescent Current, 50mA Linear Regulator
ISL80136	RENESAS	获取价格	40V, Low Quiescent Current, 50mA Linear Regulator
ISL80136EVAL1Z	RENESAS	获取价格	40V, Low Quiescent Current, 50mA Linear Regulator
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ISL80138	RENESAS	获取价格	40V, Low Quiescent Current, 50mA Linear Regulator
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ISL80138EVAL1Z	INTERSIL	获取价格	40V, Low Quiescent Current, 150mA Linear Regulator
ISL80138IVEAJZ	INTERSIL	获取价格	40V, Low Quiescent Current, 150mA Linear Regulator
ISL8013A	INTERSIL	获取价格	3A Low Quiescent Current 1MHz High Efficiency Synchronous Buck Regulator

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