Datasheet > MIC29302AWD

MIC29302AWD

更新时间： 2024-11-22 07:17:11

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器
页数	文件大小	规格书
20页	665K
描述
3A Fast-Response LDO Regulator

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MIC29302AWD 数据手册

MIC29302A

3A Fast-Response LDO Regulator

General Description

Features

The MIC29302A is a high-current, low-cost, low-dropout

voltage regulator which uses Micrel's proprietary Super

βeta PNP^®process with a PNP pass element. The 3A

LDO regulator features 450mV (full load) dropout voltage

and very low ground current. Designed for high-current

loads, these devices also find applications in lower current,

low dropout-critical systems, where their dropout voltage

and ground current values are important attributes.

• High-current capability

−

3A over full temperature range

• Low-dropout voltage of 450mV at full load

• Low ground current

• Accurate 1% guaranteed tolerance

• Extremely-fast transient response

• Zero-current shutdown mode

• Error flag signals output out-of-regulation

• Adjustable output voltage

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

and load regulation) the regulator features very-fast

transient recovery from input voltage surges and output

load current changes.

• Packages: TO-263-5L and TO-252-5L

The MIC29302A has an adjustable output which can be

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

15V. In addition, the device is fully protected against over

current faults, reversed input polarity, reversed lead

insertion, and overtemperature operation. A TTL logic

enable (EN) pin is available in the MIC29302A to

shutdown the regulator. When not used, the device can be

set to continuous operation by connecting EN to the input

(IN). The MIC29302A is available in the standard and 5-pin

Applications

• Processor peripheral and I/O supplies

• High-efficiency “Green” computer systems

• Automotive electronics

• High-efficiency linear lower supplies

• Battery-powered equipment

• PC add-in cards

TO-263 and TO-252 packages with an operating junction

• High-efficiency lost-regulator for switching supply

temperature range of −40°C to +125°C.

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

_________________________________________________________________________________________________________________________

Typical Application

Dropout Voltage

vs. Output Current

500

V_IN= 3.3V

V_ADJ= 0V

T_A= 25ºC

400

300

200

100

⎛

⎜

⎞

V_OUT= 1.242 ×

+ 1

⎟

⎝

⎠

0.0

0.5

1.0

1.5

2.0

2.5

3.0

OUTPUT CURRENT (A)

MIC29302A Adjustable Output Regulator

Super ßeta 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

M9999-080411-A

August 2011

12 3 4 5 6 7...20

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与MIC29302AWD相关器件

型号	品牌	获取价格	描述	数据表
MIC29302AWU	MICREL	获取价格	3A Fast-Response LDO Regulator
MIC29302BT	MICREL	获取价格	High-Current Low-Dropout Regulators
MIC29302BU	MICROCHIP	获取价格	Adjustable Positive LDO Regulator, 1.25V Min, 25V Max, 0.6V Dropout, BIPolar, PSSO5, TO-26
MIC29302BU	MICREL	获取价格	High-Current Low-Dropout Regulators
MIC29302BUT&R	MICREL	获取价格	Adjustable Positive LDO Regulator, 1.25V Min, 25V Max, 0.6V Dropout, BIPolar, PSSO5, TO-26
MIC29302H	MICROCHIP	获取价格	The MIC29302HWU is a high current, high accuracy, lowdropout voltage regulators. Using pro
MIC29302WT	MICREL	获取价格	High-Current Low-Dropout Regulators
MIC29302WT-L2	MICROCHIP	获取价格	Adjustable Positive LDO Regulator, 1.25V Min, 25V Max, 0.6V Dropout, BIPolar
MIC29302WU	MICREL	获取价格	High-Current Low-Dropout Regulators
MIC29302WU	UMW	获取价格	低压降线性稳压器（LDO）

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