Datasheet > MIC37100_07

MIC37100_07

更新时间： 2024-11-27 11:57:07

品牌	Logo	应用领域
麦瑞 - MICREL		/
页数	文件大小	规格书
15页	707K
描述
1A Low-Voltage Î¼Cap LDO

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MIC37100_07 数据手册

MIC37100/37101/37102

1A Low-Voltage µCap LDO

General Description

Features

The MIC37100, MIC37101, and MIC37102 are 1A low-

dropout, linear voltage regulators that provide low-voltage,

high-current output from an extremely small package.

Utilizing Micrel’s proprietary Super βeta PNP^®pass

element, the MIC37100/01/02 offers extremely low dropout

(typically 280mV at 1A) and low ground current (typically

11mA at 1A).

• Fixed and adjustable output voltages to 1.24V

• µCap Regulator, 10µF ceramic output capacitor stable

• 280mV typical dropout at 1A

–

Ideal for 3.0V to 2.5V conversion

–

Ideal for 2.5V to 1.8V, 1.65V or 1.5V conversion

• 1A minimum guaranteed output current

• 1% initial accuracy

• Low ground current

• Current limiting and thermal shutdown

• Reversed-leakage protection

• Fast transient response

• Low-proﬁle SOT-223 package

• Power SO-8 package

The MIC37100 is a ﬁxed output regulator offered in the

SOT-223 package. The MIC37101 and MIC37102 are

ﬁxed and adjustable regulators, respectively, in a thermally

enhanced power 8-pin SOIC (small outline package) and

the SOT-223 package. The MIC37102 is also available in

the S-PAK power package, for applications that require

higher power dissipation or higher operating ambient

temperatures.

• S-PAK package (MIC37102 only)

The MIC37100/01/02 is ideal for PC add-in cards that

need to convert from standard 5V to 3.3V, 3.3V to 2.5V or

2.5V to 1.8V or lower. A guaranteed maximum dropout

voltage of 500mV over all operating conditions allows the

MIC37100/01/02 to provide 2.5V from a supply as low as

3V and 1.8V from a supply as low as 2.3V.

Applications

• LDO linear regulator for PC add-in cards

• PowerPC^®power supplies

The MIC37100/01/02 is fully protected with overcurrent

limiting and thermal shutdown. Fixed output voltages of

1.5V, 1.65V, 1.8V, 2.5V and 3.3V are available on

MIC37100/01 with adjustable output voltages to 1.24V on

MIC37102.

• High-efﬁciency linear power supplies

• SMPS post regulator

• Multimedia and PC processor supplies

• Battery chargers

• Low-voltage microcontrollers and digital logic

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

___________________________________________________________________________________________________________

Typical Application

Dropout

vs. Output Current

350

2.5V_OUT

MIC37100

300

V_IN

3.3V

OUT

2.5V

250

200

150

100

3.3V_OUT

10F

ceramic

GND

2.5V/1A Regulator

0.25

0.5

0.75

OUTPUT CURRENT (A)

Super βeta PNP is a registered trademark of Micrel, Inc.

PowerPC is a registered trademark of IBM Corporation

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

M9999-090607

September 2007

12 3 4 5 6 7...15

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与MIC37100_07相关器件

型号	品牌	获取价格	描述	数据表
MIC37100-1.5BM	MICREL	获取价格	1A LOW VOLTAGE U CAP LDO REGULATOR
MIC37100-1.5BS	MICREL	获取价格	1A LOW VOLTAGE U CAP LDO REGULATOR
MIC37100-1.5BS	ROCHESTER	获取价格	1.5V FIXED POSITIVE LDO REGULATOR, 0.5V DROPOUT, PDSO4, TO-261, SOT-223, 4 PIN
MIC37100-1.5WS	MICREL	获取价格	1A Low-Voltage Î¼Cap LDO
MIC37100-1.5WS-TR	MICROCHIP	获取价格	1.5V FIXED POSITIVE LDO REGULATOR, 0.5V DROPOUT, PDSO4
MIC37100-1.5YS	MICROCHIP	获取价格	Fixed Positive LDO Regulator
MIC37100-1.65BS	MICREL	获取价格	1A LOW VOLTAGE U CAP LDO REGULATOR
MIC37100-1.65BS	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 1.65V, 0.5V Dropout, BIPolar, PDSO4, TO-261, SOT-223, 4 PIN
MIC37100-1.65BS	ROCHESTER	获取价格	1.65V FIXED POSITIVE LDO REGULATOR, 0.5V DROPOUT, PDSO4, TO-261, SOT-223, 4 PIN
MIC37100-1.65WS	MICROCHIP	获取价格	1.65V FIXED POSITIVE LDO REGULATOR, 0.5V DROPOUT, PDSO4

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