Datasheet > ISL8012IRZ-T13

ISL8012IRZ-T13

更新时间： 2024-09-15 19:32:31

品牌	Logo	应用领域
瑞萨 - RENESAS		开关
页数	文件大小	规格书
17页	1241K
描述
Switching Regulator

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技术参数
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ISL8012IRZ-T13 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
包装说明：	,	Reach Compliance Code：	compliant
风险等级：	5.73	模拟集成电路 - 其他类型：	SWITCHING REGULATOR
JESD-609代码：	e3	湿度敏感等级：	3
端子面层：	Matte Tin (Sn) - annealed	Base Number Matches：	1

ISL8012IRZ-T13 数据手册

2A Low Quiescent Current 1MHz High Efficiency

Synchronous Buck Regulator

ISL8012

Features

The ISL8012 is a high efficiency, monolithic, synchronous

step-down DC/DC converter that can deliver up to 2A 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.

• High Efficiency Synchronous Buck Regulator with up to 95%

Efficiency

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

• 2.7V to 5.5V Supply Voltage

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

• 2A Guaranteed Output Current

The ISL8012 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 240mV dropout voltage at 2A output

current. High 1MHz pulse width modulation (PWM) switching

frequency allows the use of small external components.

• Start-up with Pre-Biased Output

• Internal Soft-Start - 1ms

• Soft-Stop Output Discharge During Disabled

• 40µA Quiescent Supply Current in PFM Mode

• Selectable Forced PWM Mode and PFM Mode

• Less than 1µA Logic Controlled Shutdown Current

• 100% Maximum Duty Cycle

The ISL8012 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

Fault protection is provided by internal current limiting during

short circuit and overcurrent conditions, an output overvoltage

comparator and over-temperature monitor circuit. A power-good

output voltage monitor indicates when the output is in regulation.

• Peak Current Limiting and Hiccup Mode Short Circuit

Protection

• Over-Temperature Protection

• Small 10 Ld 3mmx3mm DFN

• Pb-Free (RoHS Compliant)

The ISL8012 offers a 1ms Power-good (PG) timer at power-up.

When shutdown, ISL8012 discharges the output capacitor. Other

features include internal soft-start, internal compensation,

overcurrent protection, and thermal shutdown.

Applications

• DC/DC POL Modules

The ISL8012 is offered in a space saving 3mmx3mm 10 Ld DFN

package lead free package with exposed pad lead frames for low

• µC/µP, FPGA and DSP Power

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

• Portable Instruments

thermal. The complete converter occupies less than 0.35in

area.

• Test and Measurement Systems

• Li-ion Battery Powered Devices

• Small Form Factor (SFP) Modules

• Bar Code Readers

Related Literature

• See AN1360 for “ISL8012EVAL1Z: 2A Synchronous Buck

Regulator with Integrated MOSFETs”

FN6616.2

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

Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

All other trademarks mentioned are the property of their respective owners.

December 1, 2011

12 3 4 5 6 7...17

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与ISL8012IRZ-T13相关器件

型号	品牌	获取价格	描述	数据表
ISL8013	INTERSIL	获取价格	3A Low Quiescent Current 1MHz High Efficiency Synchronous Buck Regulator
ISL8013	RENESAS	获取价格	3A Low Quiescent Current 1MHz High Efficiency Synchronous Buck Regulator
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
ISL80136IBEAJZ	RENESAS	获取价格	40V, Low Quiescent Current, 50mA Linear Regulator; SOIC8; Temp Range: -40° to 125&
ISL80138	INTERSIL	获取价格	40V, Low Quiescent Current, 150mA Linear Regulator
ISL80138	RENESAS	获取价格	40V, Low Quiescent Current, 50mA Linear Regulator
ISL80138_14	INTERSIL	获取价格	40V, Low Quiescent Current, 150mA Linear Regulator
ISL80138EVAL1Z	INTERSIL	获取价格	40V, Low Quiescent Current, 150mA Linear Regulator

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