MIC29503WT

更新时间： 2024-11-22 10:57:11

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器
页数	文件大小	规格书
23页	709K
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High-Current Low-Dropout Regulators

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MIC29503WT 数据手册

MIC29150/29300/29500/29750

High-Current Low-Dropout Regulators

General Description

Features

The MIC29150/29300/29500/29750 are high current, high

accuracy, low-dropout voltage regulators. Using Micrel's

proprietary Super βeta PNP^®process with a PNP pass

element, these regulators feature 350mV to 425mV (full

load) typical dropout voltages and very low ground current.

Designed for high current loads, these devices also find

applications in lower current, extremely low dropout-critical

systems, where their tiny dropout voltage and ground

current values are important attributes.

• High current capability

MIC29150/29151/29152/29153.................................1.5A

MIC29300/29301/29302/29303....................................3A

MIC29500/29501/29502/29503....................................5A

MIC29750/29751/29752............................................7.5A

• Low-dropout voltage

• Low ground current

• Accurate 1% guaranteed tolerance

• Extremely fast transient response

• Reverse-battery and “Load Dump” protection

• Zero-current shutdown mode (5-pin versions)

The MIC29150/29300/29500/29750 are fully protected

against overcurrent faults, reversed input polarity, reversed

lead insertion, overtemperature operation, and positive

and negative transient voltage spikes. Five pin fixed

voltage versions feature logic level ON/OFF control and an

error flag which signals whenever the output falls out of

regulation. Flagged states include low input voltage

(dropout), output current limit, overtemperature shutdown,

and extremely high voltage spikes on the input.

• Error flag signals output out-of-regulation (5-pin

versions)

• Also characterized for smaller loads with industry-

leading performance specifications

• Fixed voltage and adjustable versions

On the MIC29xx1 and MIC29xx2, the ENABLE pin may be

tied to VIN if it is not required for ON/OFF control. The

MIC29150/29300/29500 are available in 3-pin and 5-pin

TO-220 and surface mount TO-263 (D²Pak) packages.

The MIC29750 7.5A regulators are available in 3-pin and

5-pin TO-247 packages. The 1.5A, adjustable output

MIC29152 is available in a 5-pin power D-Pak (TO-252)

package.

Applications

• Battery powered equipment

• High-efficiency “Green” computer systems

• Automotive electronics

• High-efficiency linear lower supplies

• High-efficiency lost-regulator for switching supply

For applications with input voltage 6V or below, see

MIC37xxx LDOs.

Data sheets and support documentation can be found on

Micrel’s web site at www.micrel.com.

_________________________________________________________________________________________________________________________

Typical Application**

Adjustable Output Voltage

Fixed Output Voltage

(*See Minimum Load Current Section)

**See Thermal Design Section

Super βeta PNP is a registered trademark of Micrel, Inc.

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

M9999-050510-B

May 2010

12 3 4 5 6 7...23

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MIC29503WT 替代型号

型号	品牌	替代类型	描述	数据表
MIC29503WT	MICROCHIP	功能相似	暂无描述

与MIC29503WT相关器件

型号	品牌	获取价格	描述	数据表
MIC29503WU	MICREL	获取价格	High-Current Low-Dropout Regulators
MIC29503WU	MICROCHIP	获取价格	1.25 V-25V ADJUSTABLE POSITIVE LDO REGULATOR, 0.6V DROPOUT, PSSO5
MIC29503WUTR	MICREL	获取价格	1.25 V-25V ADJUSTABLE POSITIVE LDO REGULATOR, 0.6V DROPOUT, PSSO5, ROHS COMPLIANT, TO-263,
MIC29503WU-TR	MICROCHIP	获取价格	1.25 V-25V ADJUSTABLE POSITIVE LDO REGULATOR, 0.6V DROPOUT, PSSO5
MIC2951	MICREL	获取价格	150mA Low-Dropout Voltage Regulator
MIC2951	MICROCHIP	获取价格	The MIC2950 and MIC2951 are "bulletproof" micropower voltage regulators with very low
MIC29510	MICREL	获取价格	5A Fast-Response LDO Regulator Preliminary Information
MIC29510	MICROCHIP	获取价格	The MIC29510 and MIC29512 are high-current, high-accuracy, low-dropout voltage regulator
MIC29510_06	MICREL	获取价格	5A Fast-Response LDO Regulator
MIC2951-02BM	MICREL	获取价格	150mA Low-Dropout Voltage Regulator

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