MIC29303WU

更新时间： 2024-11-22 07:17:11

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器调节器输出元件
页数	文件大小	规格书
23页	718K
描述
High-Current Low-Dropout Regulators

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MIC29303WU 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

M9999-013112-B

January 2012

12 3 4 5 6 7...23

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MIC29303WU 替代型号

型号	品牌	替代类型	描述	数据表
MIC29303BU	MICREL	完全替代	High-Current Low-Dropout Regulators
MIC29303WU	MICROCHIP	功能相似	1.25 V-25V ADJUSTABLE POSITIVE LDO REGULATOR, 0.6V DROPOUT, PSSO5

与MIC29303WU相关器件

型号	品牌	获取价格	描述	数据表
MIC29303WUTR	MICREL	获取价格	1.25 V-25V ADJUSTABLE POSITIVE LDO REGULATOR, 0.6V DROPOUT, PSSO5, ROHS COMPLIANT, TO-263,
MIC29310	MICREL	获取价格	3A Fast-Response LDO Regulator
MIC29310	MICROCHIP	获取价格	The MIC29310 and MIC29312 are low cost versions of MIC29300 family low-dropout (LDO) regul
MIC29310_06	MICREL	获取价格	3A Fast-Response LDO Regulator
MIC29310-3.3BT	MICREL	获取价格	3A Fast-Response LDO Regulator
MIC29310-3.3BU	MICREL	获取价格	3A Fast-Response LDO Regulator
MIC29310-3.3BU	ROCHESTER	获取价格	3.3 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PSSO3, TO-263, 3 PIN
MIC29310-3.3BU	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 3.3V, 1V Dropout, BIPolar, PSSO3, TO-263, 3 PIN
MIC29310-3.3WT	ROCHESTER	获取价格	3.3 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PSFM3, ROHS COMPLIANT, TO-220, 3 PIN
MIC29310-3.3WT	MICROCHIP	获取价格	3.3V FIXED POSITIVE LDO REGULATOR, 1V DROPOUT, PSFM3

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