Datasheet > MIC29310

MIC29310

更新时间： 2024-11-23 14:55:07

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
12页	271K
描述
The MIC29310 and MIC29312 are low cost versions of MIC29300 family low-dropout (LDO) regulators. M

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MIC29310 数据手册

MIC29310/29312

Micrel

MIC29310/29312

3A Fast-Response LDO Regulator

General Description

Features

The MIC29310 and MIC29312 are low cost versions of

MIC29300 family low-dropout (LDO) regulators. Manufac-

tured on Micrel’s proprietary Super beta PNP™ process,

the MIC29310/2 is a 3ALDO regulator with very low-dropout

voltage (600mV over the full load) and low ground current.

Along with a total accuracy of ±2% (over temperature, line

and load regulation) these regulators feature very fast tran-

sient recovery from input voltage surges and output load

current changes.

• Low cost versions of MIC29300 family

• Fast transient response

• 3A current over full temperature range

• 600mV dropout voltage at full load

• Low ground current

• Accurate 1% guaranteed tolerance

• “Zero” current shutdown mode (MIC29312)

• Fixed voltage and adjustable versions

Applications

• Processor peripheral and I/O supplies

• PC add-in cards

• High-efﬁciency “green” computer systems

• High-efﬁciency linear power supplies

• High-efﬁciency switching supply post regulator

• Battery-powered equipment

The MIC29310 is available in ﬁxed 3.3V and 5V outputs

voltages; the MIC29312 has an adjustable output which can

be set by two external resistors to a voltage between 1.24V

to 15V. In addition, all versions are fully protected against

overcurrent faults, reversed input polarity, reversed lead

insertion, and overtemperature operation.

A TTL logic enable (EN) pin is available in the MIC29312 to

shutdowntheregulator. Whennotused,thedevicecanbeset

to continuous operation by connecting EN to the input (IN).

The MIC29310/2 is available in the standard 3- and 5-pin

TO-220 and TO-263 packages with an operating junction

temperature range of 0°C to +125°C.

For applications requiring even lower dropout

voltage, input voltage greater than 16V, or an

error ﬂag, see the MIC29300/29301/29302/

29303.

Typical Application

MIC29312

Off

V_OUT

OUT

ADJ

R1*

R2*

MIC29310-x.x

V_IN

V_OUT

V_IN

OUT

GND

V_OUT= 1.240

+ 1

* For best performance, total series resistance

(R1 + R2) should be small enough to pass

the minimum regulator load current of 10mA.

Fixed Regulator Conﬁguration

Adjustable Regulator Conﬁguration

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

November 2006

MIC29310/29312

12 3 4 5 6 7...12

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与MIC29310相关器件

型号	品牌	获取价格	描述	数据表
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
MIC29310-3.3WU	MICROCHIP	获取价格	3.3V FIXED POSITIVE LDO REGULATOR, 1V DROPOUT, PSSO3
MIC29310-3.3WU-TR	MICROCHIP	获取价格	IC REG LDO 3.3V 3A TO263-3
MIC29310-5.0BT	ROCHESTER	获取价格	5V FIXED POSITIVE LDO REGULATOR, 1V DROPOUT, PSFM3, TO-220, 3 PIN

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