MIC49500WR

更新时间： 2024-11-24 21:53:39

品牌	Logo	应用领域
麦瑞 - MICREL		调节器输出元件
页数	文件大小	规格书
11页	233K
描述
5A Dual Supply, Low Voltage, High Bandwidth LDO

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MIC49500WR 数据手册

MIC49500

5A Dual Supply, Low Voltage,

High Bandwidth LDO

General Description

Features

The MIC49500 is an ultra-high-bandwidth, low-

dropout, 5.0A voltage regulator ideal for powering

core voltages of low-voltage microprocessors. The

MIC49500 implements a dual supply configuration

allowing for very low output impedance and very fast

transient response.

• Input voltage range:

–

V_IN: 1.4V to 6V

V_BIAS: 3.0V to 6V

• Stable with 10µF ceramic output capacitor

• +1.0% initial output tolerance

• Maximum dropout (V_IN– V_OUT) is 500mV over

temperature

The MIC49500 requires a bias input supply and a

main input supply, allowing for ultra-low input voltages

on the main supply rail. The input supply operates

from 1.4V to 6V and the bias supply requires between

3V and 6V for proper operation. The MIC49500 can

regulate to an output voltage as low as 0.7V, making it

an ideal product for low-voltage to low-voltage

conversion.

• Adjustable output voltage down to 0.7V

• Ultra Fast Transient Response (Up to 10MHz

bandwidth)

• Excellent line and load regulation specifications

• Logic controlled shutdown option

• Thermal shutdown and current limit protection

• Thin 7-pin S-Pak package

The MIC49500 requires

a minimum of output

• TO-263 7-pin package

capacitance for stability, working optimally with any

type of capacitor, including small ceramic capacitors.

Available in fixed output voltages from 0.9V to 1.8V

and adjustable output voltages down to 0.7V, the

MIC49500 comes in both 7-pin S-Pak and TO-263

packages. The MIC49500 is rated to the full operating

temperature range of -40°C to 125°C junction

temperature.

• –40^°C to +125^°C operating junction temperature

range

Applications

• ASIC Core Voltage Regulator

• PLD/FPGA Core Power Supply

• Linear Point-of-Load Conversion

• High Speed Post-Regulator

Typical Application

Load Transient

MIC49500WR

V_IN= 2.0V

_OUT= 1.0V

OUT

= 1.8V

BIAS

ADJ

OUT

V_BIAS= 3.1V

_BIAS= 1µF

= 2.8V

_OUT= 10µF

= 3.9V

= C

BIAS

= 10µF

BIAS

OUT

Ceramic

GND

Ceramic

C_IN= 1µF

Ceramic

Low Voltage,

Fast Transient Response Regulator

Time (10µs/div)

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-110805

(408) 955-1690

November 2005

12 3 4 5 6 7...11

中文翻译

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与MIC49500WR相关器件

型号	品牌	获取价格	描述	数据表
MIC49500WRTR	MICREL	获取价格	MIC49500WRTR
MIC49500WU	MICREL	获取价格	5A Dual Supply, Low Voltage, High Bandwidth LDO
MIC49500WU	ROCHESTER	获取价格	0.9 V-1.8V ADJUSTABLE POSITIVE LDO REGULATOR, 0.5V DROPOUT, PSSO7, ROHS COMPLIANT, TO-263,
MIC49500WUTR	MICROCHIP	获取价格	Adjustable Positive LDO Regulator, 0.7V Min, 6V Max, 0.5V Dropout, PSSO7, ROHS COMPLIANT,
MIC4950YFL	MICROCHIP	获取价格	SWITCHING REGULATOR
MIC4950YFL-TR	MICROCHIP	获取价格	IC REG BUCK ADJ 5A SYNC 10VDFN
MIC4950YFM	MICREL	获取价格	Hyper Speed Control 5A Buck Regulator
MIC4950YFM-T5	MICROCHIP	获取价格	IC REG BUCK ADJ 5A SYNC 8SOIC
MIC4950YFM-TR	MICROCHIP	获取价格	IC REG BUCK ADJ 5A SYNC 8SOIC
MIC-5	COOPER	获取价格	MIC 13â32Ë x 1-1/2Ë 250Vac pin indicating

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