Datasheet > MIC2951-3.3BM

MIC2951-3.3BM

更新时间： 2024-11-22 20:33:27

品牌	Logo	应用领域
美国微芯 - MICROCHIP		光电二极管调节器
页数	文件大小	规格书
20页	1060K
描述
Fixed Positive LDO Regulator, 3.3V, 0.6V Dropout, BIPolar, PDSO8, SOIC-8

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技术参数
数据手册
替代型号

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MIC2951-3.3BM 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	SOIC	包装说明：	SOP,
针数：	8	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.68	最大回动电压 1：	0.6 V
最大输入电压：	30 V	最小输入电压：	2 V
JESD-30 代码：	R-PDSO-G8	JESD-609代码：	e0
长度：	4.93 mm	湿度敏感等级：	1
功能数量：	1	端子数量：	8
工作温度TJ-Max：	125 °C	工作温度TJ-Min：	-40 °C
最大输出电流 1：	0.15 A	最大输出电压 1：	29 V
最小输出电压 1：	1.24 V	标称输出电压 1：	3.3 V
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	240	认证状态：	Not Qualified
调节器类型：	FIXED POSITIVE LDO REGULATOR	座面最大高度：	1.73 mm
表面贴装：	YES	技术：	BIPOLAR
端子面层：	Tin/Lead (Sn85Pb15)	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	30	宽度：	3.94 mm
Base Number Matches：	1

MIC2951-3.3BM 数据手册

MIC2950*/2951

150mA Low-Dropout Voltage Regulator

General Description

Features

The MIC2950 and MIC2951 are “bulletproof” micropower

voltage regulators with very low dropout voltage (typically

40mV at light loads and 250mV at 100mA), and very low

quiescent current. Like their predecessors, the LP2950 and

LP2951, the quiescent current of the MIC2950/MIC2951

increases only slightly in dropout, thus pro-longing battery

life. The MIC2950/MIC2951 are pin for pin compatible with

the LP2950/LP2951, but offer lower dropout, lower

quiescent current, reverse battery, and automotive load

dump protection.

• High accuracy 3.3, 4.85, or 5V, guaranteed 150mA

output

• Extremely low quiescent current

• Low-dropout voltage

• Extremely tight load and line regulation

• Very low temperature coefficient

• Use as regulator or reference

• Needs only 1.5µF for stability

• Current and thermal limiting

• Unregulated DC input can withstand –20V reverse

The key additional features and protection offered include

higher output current (150mA), positive transient protection

for up to 60V (load dump), and the ability to survive an

unregulated input voltage transient of –20V below ground

(reverse battery).

battery and +60V positive transients

MIC2951 Version Only

• Error flag warns of output dropout

• Logic-controlled electronic shutdown

• Output programmable from 1.24 to 29V

The plastic DIP and SOIC versions offer additional system

functions such as programmable output voltage and logic

controlled shutdown. The 3-pin TO-92 MIC2950 is pin-

compatible with the older 5V regulators.

Applications

These system functions also include an error ﬂag output

that warns of a low output voltage, which is often due to

failing batteries on the input. This may also be used as a

power-on reset. A logic-compatible shutdown input is also

available which enables the regulator to be switched on and

off. This part may also be pin-strapped for a 5 V output, or

programmed from 1.24 V to 29 V with the use of two

external resistors.

• Automotive electronics

• Voltage reference

• Avionics

• Cellular telephones

• Battery powered equipment

• SMPS post-regulator

• High efficiency linear power supplies

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

___________________________________________________________________________________________________________

Block Diagram

* MIC2950 Discontinuance September 2007.

MM8 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

M9999-021610

February 2010

12 3 4 5 6 7...20

中文翻译

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MIC2951-3.3BM 替代型号

型号	品牌	替代类型	描述	数据表
MIC2951-3.3YM	MICROCHIP	完全替代	FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.6V DROPOUT, PDSO8

与MIC2951-3.3BM相关器件

型号	品牌	获取价格	描述	数据表
MIC2951-3.3YM	MICREL	获取价格	150mA Low-Dropout Voltage Regulator
MIC2951-3.3YM	ROCHESTER	获取价格	Fixed/Adjustable Positive LDO Regulator, 1.24V Min, 29V Max, 0.6V Dropout, BIPolar, PDSO8,
MIC2951-3.3YM	MICROCHIP	获取价格	FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.6V DROPOUT, PDSO8
MIC2951-3.3YMM-TR	MICROCHIP	获取价格	IC REG LDO 3.3V/ADJ 0.15A 8MSOP
MIC2951-3.3YMTR	MICREL	获取价格	暂无描述
MIC2951-3.3YM-TR	MICROCHIP	获取价格	FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.6V DROPOUT, PDSO8
MIC2951-4.8BM	MICREL	获取价格	150mA Low-Dropout Voltage Regulator
MIC2954	MICREL	获取价格	250mA Low-Dropout Regulator
MIC2954	MICROCHIP	获取价格	The MIC2954 is a "bulletproof", efficient voltage regulator with very low dropout voltag
MIC2954_07	MICREL	获取价格	250mA Low-Dropout Regulator

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