Datasheet > MIC37300

MIC37300

更新时间： 2024-11-05 22:51:23

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器
页数	文件大小	规格书
12页	164K
描述
3.0A, LOW VOLTAGE UCAP LDO REGULATOR

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MIC37300 数据手册

MIC37300/37301/37302

Micrel

MIC37300/37301/37302

3.0A, Low-Voltage µCap LDO Regulator

General Description

Features

The Micrel MIC37300/01/02 is a 3.0A low-dropout linear

voltage regulator that provides a low-voltage, high-current

output with a minimum number of external components. It

offers high precision, ultra-low-dropout (500mV overtem-

perature), and low-ground current.

• 3.0A minimum guaranteed output current

• 500mV maximum dropout-voltage overtemperature

Ideal for 3.0V to 2.5V conversion

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

• Stable with ceramic or tantalum capacitor

• Wide input voltage range:

The MIC37300/01/02 operates from an input of 2.25V to

6.0V. It is designed to drive digital circuits requiring low-

voltage at high currents (i.e., PLDs, DSP, microcontroller,

etc.). It is available in fixed and adjustable output voltages.

Fixed voltages include 1.5V, 1.8V, 2.5V and 3.3V. The

adjustable version is capable of 1.24V to 5.5V.

V : 2.25V to 6.0V

• +1.0% initial output tolerance

• Fixed and adjustable output voltages:

MIC37300 — 3-pin fixed

MIC37301 — 5-pin fixed with flag

MIC37302 — 5-pin adjustable

• Excellent line and load regulation specifications

• Logic controlled shutdown

• Thermal shutdown and current-limit protection

• Reverse-leakage protection

• Low profile S-Pak package

Features of the MIC37300/01/02 LDO include thermal and

current-limitprotection,andreverse-currentprotection.Logic

enable and error flag pins are available on the 5-pin version.

Junction temperature range of the MIC37300/01/02 is from

–40°C to 125°C.

For applications requiring input voltage greater than 6.0V,

see the MIC3910x, MIC3915x, MIC3930x, and MIC3950x

LDOs.

Applications

• LDO linear regulator for low-voltage digital IC

• PC add-in cards

• High-efficiency linear power supplies

• SMPS post regulator

All data sheets and support documentation can be found

on Micrel’s web site at www.micrel.com.

• Battery charger

Typical Application

MIC37302

V_IN

1.3V

MIC37300

VIN

VOUT

V_IN= 3.0V

V_OUT= 2.5V

VIN

VOUT

C_IN

C_OUT

47µF, Ceramic

C_OUT

47µF, Ceramic

VEN

ADJ

GND

Fixed 2.5V Regulator

Adjustable Regulator

MIC37301

V_IN= 3.0V

C_IN

V_OUT= 2.5V

Dropout vs.

Output Current

VIN

VOUT

500

100k

C_OUT

47µF, Ceramic

450

400

350

300

250

200

150

100

VEN

FLG

GND

2.5V_OUT

3.3V_OUT

Fixed 2.5V Regulator with Error Flag

0.5

1.5

2.5

OUTPUT CURRENT (A)

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

Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com

November 2003

M0307-112003

12 3 4 5 6 7...12

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与MIC37300相关器件

型号	品牌	获取价格	描述	数据表
MIC37300_09	MICREL	获取价格	3.0A, Low-Voltage μCap LDO Regulator
MIC37300-1.5BR	MICREL	获取价格	3.0A, LOW VOLTAGE UCAP LDO REGULATOR
MIC37300-1.5WR	MICREL	获取价格	3.0A, Low-Voltage μCap LDO Regulator
MIC37300-1.5WRTR	MICREL	获取价格	IC,VOLT REGULATOR,FIXED,+1.5V,BIPOLAR,SIP,3PIN,PLASTIC
MIC37300-1.5WR-TR	MICROCHIP	获取价格	FIXED POSITIVE LDO REGULATOR
MIC37300-1.65BR	MICREL	获取价格	3.0A, LOW VOLTAGE UCAP LDO REGULATOR
MIC37300-1.65BRTR	MICROCHIP	获取价格	Regulator, 1 Output, 1.65V1, BIPolar
MIC37300-1.65WR	MICREL	获取价格	3.0A, Low-Voltage μCap LDO Regulator
MIC37300-1.8BR	MICREL	获取价格	3.0A, LOW VOLTAGE UCAP LDO REGULATOR
MIC37300-1.8BRTR	MICROCHIP	获取价格	Regulator, 1 Output, 1.8V1, BIPolar

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