Datasheet > MIC37101-1.8YM

MIC37101-1.8YM

更新时间： 2024-11-20 22:51:23

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
15页	165K
描述
1A LOW VOLTAGE U CAP LDO REGULATOR

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MIC37101-1.8YM 数据手册

MIC37100/37101/37102

Micrel

MIC37100/37101/37102

1A Low-Voltage µCap LDO Regulator

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. Utiliz-

ing 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

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 en-

hanced power 8-lead 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.

• Low ground current

• Current limiting and thermal shutdown

• Reversed-leakage protection

• Fast transient response

• Low-profile SOT-223 package

• Power SO-8 package

The MIC37100/01/02 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.

• S-PAK package (MIC37102 only)

Applications

• LDO linear regulator for PC add-in cards

• PowerPC™ power supplies

The MIC37100/01/02 is fully protected with overcurrent lim-

iting 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

For other voltages, contact Micrel.

All support documentation can be found on Micrel’s web

site at www.micrel.com.

Typical Applications

Dropout

vs. Output Current

350

2.5V_OUT

300

250

200

150

100

MIC37100

V_IN

3.3V

OUT

2.5V

10µF

ceramic

GND

3.3V_OUT

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 trademark of IBM Corporation.

Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-091604

September 2004

12 3 4 5 6 7...15

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与MIC37101-1.8YM相关器件

型号	品牌	获取价格	描述	数据表
MIC37101-1.8YM-TR	MICROCHIP	获取价格	1.8V FIXED POSITIVE LDO REGULATOR, 0.5V DROPOUT, PDSO8
MIC37101-2.1YM	MICREL	获取价格	1A Low-Voltage Î¼Cap LDO
MIC37101-2.5BM	MICREL	获取价格	1A LOW VOLTAGE U CAP LDO REGULATOR
MIC37101-2.5BM	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 2.5V, 0.5V Dropout, BIPolar, PDSO8, SOIC-8
MIC37101-2.5BMTR	MICREL	获取价格	暂无描述
MIC37101-2.5YM	MICREL	获取价格	1A LOW VOLTAGE U CAP LDO REGULATOR
MIC37101-2.5YM-TR	MICROCHIP	获取价格	2.5V FIXED POSITIVE LDO REGULATOR, 0.5V DROPOUT, PDSO8
MIC37101-3.3BM	MICREL	获取价格	1A LOW VOLTAGE U CAP LDO REGULATOR
MIC37101-3.3WM	MICROCHIP	获取价格	Fixed Positive LDO Regulator
MIC37101-3.3YM	MICROCHIP	获取价格	3.3V FIXED POSITIVE LDO REGULATOR, 0.5V DROPOUT, PDSO8

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