Datasheet > MIC49200-1.8WR

MIC49200-1.8WR

更新时间： 2024-02-03 18:25:26

品牌	Logo	应用领域
麦瑞 - MICREL		输入元件
页数	文件大小	规格书
12页	324K
描述
2A LOW VOLTAGE LDO WITH DUAL INPUT VOLTAGES

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MIC49200-1.8WR 数据手册

MIC49200

2A Low Voltage LDO

with Dual Input Voltages

General Description

Features

• Input Voltage Range:

The MIC49200 is a high-bandwidth, low-dropout, 2A

voltage regulator ideal for powering core voltages of low-

power microprocessors. The MIC49200 implements a

dual supply conﬁguration allowing for very low output

impedance and very fast transient response.

V_IN: 1.4V to 6.5V

V_BIAS: 3.0V to 6.5V

• Stable with 1µF ceramic output capacitors

• ±1% initial tolerance

• Maximum dropout voltage (V_IN–V_OUT) of 500mV

The MIC49200 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

6.5V and the bias supply requires between 3V and 6.5V

for proper operation. The MIC49200 offers ﬁxed output

voltages from 0.9V to 1.8V and adjustable output voltages

down to 0.9V.

over temperature

• Adjustable output voltage down to 0.9V

• Ultra fast transient response (Up to 10MHz

bandwidth)

• Excellent line and load regulation speciﬁcations

• Logic controlled shutdown option

The MIC49200 requires a minimum of output capacitance

for stability, working optimally with small ceramic

capacitors.

• Thermal shutdown and current limit protection

• Junction temperature range: –40°C to 125°C

The MIC49200 is available in a 5-pin S-Pak. Its operating

temperature range is –40°C to +125°C.

Applications

• Set-top box

• Graphics processors

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

• PC add-in cards

• Microprocessor core voltage supply

• Low voltage digital ICs

• High efficiency linear power supplies

• SMPS post regulators

Typical Application

Load Transient

= 2.8V

= 1.8V

= 4V

OUT

BIAS

= 1µF

OUT

Low Voltage, Fast Transient Response Regulator

Time (40µs/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

M9999-011306

(408) 955-1690

January 2006

12 3 4 5 6 7...12

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与MIC49200-1.8WR相关器件

型号	品牌	获取价格	描述	数据表
MIC49200WR	MICREL	获取价格	2A LOW VOLTAGE LDO WITH DUAL INPUT VOLTAGES
MIC4930	MICROCHIP	获取价格	Hyper Speed ControlÂ® 3A Buck Regulator
MIC4930	MICREL	获取价格	Hyper Speed Control 3A Buck Regulator
MIC49300	MICREL	获取价格	3.0A LOW VOLTAGE LDO REGULATOR W/DUAL INPUT VOLTAGES
MIC49300	MICROCHIP	获取价格	The MIC49300 is a high-bandwidth, low-dropout, 3.0A voltage regulator ideal for powering
MIC49300_05	MICREL	获取价格	3.0A Low Voltage LDO Regulator w/Dual Input Voltages
MIC49300-0.9BR	MICREL	获取价格	3.0A LOW VOLTAGE LDO REGULATOR W/DUAL INPUT VOLTAGES
MIC49300-0.9BR	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 0.9V, 0.4V Dropout, BIPolar, PSSO5, SPAK-5
MIC49300-0.9WR	MICROCHIP	获取价格	0.9V FIXED POSITIVE LDO REGULATOR, 0.4V DROPOUT, PSSO5
MIC49300-0.9WR	MICREL	获取价格	3.0A Low Voltage LDO Regulator w/Dual Input Voltages

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