Datasheet > MIC5203-4.5YM4

MIC5203-4.5YM4

更新时间： 2024-11-13 10:56:55

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器调节器光电二极管输出元件
页数	文件大小	规格书
10页	243K
描述
μCap 80mA Low-Dropout Regulator

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中文翻译

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MIC5203-4.5YM4 数据手册

MIC5203

μCap 80mA Low-Dropout Regulator

General Description

Features

The MIC5203 is a µCap 80mA linear voltage regulator with

very low dropout voltage (typically 20mV at light loads and

300mV at 80mA) and very low ground current (225µA at

20mA output), offering better than 3% initial accuracy with

a logic-compatible enable input.

• Tiny 4- and 5-lead surface-mount packages

• Wide selection of output voltages

• Guaranteed 80mA output

• Low quiescent current

• Low dropout voltage

TheµCap regulator design is optimized to work with low-

value, low-cost ceramic capacitors. The outputs typically

require only 0.47µF of output capacitance for stability.

• Low temperature coefficient

• Current and thermal limiting

• Reversed input polarity protection

• Zero off-mode current

• Logic-controlled shutdown

• Stability with low-ESR ceramic capacitors

Designed especially for hand-held, battery-powered

devices, the MIC5203 can be controlled by a CMOS or

TTL compatible logic signal. When disabled, power

consumption drops nearly to zero. If on-off control is not

required, the enable pin may be tied to the input for 3-

terminal operation. The ground current of the MIC5203

increases only slightly in dropout, further prolonging

battery life. Key MIC5203 features include current limiting,

overtemperature shutdown, and protection against

reversed battery.

Applications

• Cellular telephones

• Laptop, notebook, and palmtop computers

• Battery-powered equipment

• Barcode scanners

• SMPS post-regulator/DC-to-DC modules

• High-efficiency linear power supplies

The MIC5203 is available in 2.8V, 3.0V, 3.3V, 3.6V, 3.8V,

4.0V, 4.5V, 4.75V, and 5.0V fixed voltages. Other voltages

are available.

Data sheets and support documentation can be found on

Micrel’s web site at www.micrel.com.

_________________________________________________________________________________________________________________________

Typical Application

Enable

Shutdown

LAxx

V_OUT

0.47µF

V_OUT

0.47µF

Enable

Shutdown

SOT-143 Version

SOT-23-5 Version

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

M9999-111909

November 2009

12 3 4 5 6 7...10

中文翻译

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与MIC5203-4.5YM4相关器件

型号	品牌	获取价格	描述	数据表
MIC5203-4.5YM4TR	MICROCHIP	获取价格	4.5V FIXED POSITIVE LDO REGULATOR, 0.6V DROPOUT, PDSO4, LEAD FREE, SOT-143, 4 PIN
MIC5203-4.5YM4-TR	MICROCHIP	获取价格	4.5V FIXED POSITIVE LDO REGULATOR, 0.6V DROPOUT, PDSO4
MIC5203-4.5YM5	MICREL	获取价格	μCap 80mA Low-Dropout Regulator
MIC5203-4.5YM5	ROCHESTER	获取价格	4.5V FIXED POSITIVE LDO REGULATOR, 0.6V DROPOUT, PDSO5, LEAD FREE, SOT-23, 5 PIN
MIC5203-4.5YM5TR	MICROCHIP	获取价格	4.5V FIXED POSITIVE LDO REGULATOR, 0.6V DROPOUT, PDSO5, LEAD FREE, SOT-23, 5 PIN
MIC5203-4.5YM5-TR	MICROCHIP	获取价格	4.5V FIXED POSITIVE LDO REGULATOR, 0.6V DROPOUT, PDSO5
MIC5203-4.7BM4	MICREL	获取价格	レCap⑩ 80mA Low-Dropout Voltage Regulator
MIC5203-4.7BM4	ROCHESTER	获取价格	4.7V FIXED POSITIVE LDO REGULATOR, 0.6V DROPOUT, PDSO4, SOT-143, 4 PIN
MIC5203-4.7BM4T&R	MICREL	获取价格	Fixed Positive LDO Regulator, 4.7V, 0.6V Dropout, BIPolar, PDSO4, SOT-143, 4 PIN
MIC5203-4.7BM5	MICREL	获取价格	レCap⑩ 80mA Low-Dropout Voltage Regulator

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