AME1117BCBT datasheet(1/15 Pages) AME

No de pièce	AME1117BCBT

Description	1A Low Dropout Positive Voltage Regulator

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Fabricant	AME [Analog Microelectronics]

Site Internet	http://www.ame.com.tw/

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Analog Microelectronics, Inc.

1

AME1117

1A Low Dropout Positive

Voltage Regulator

n

n Typical Application

n

nGeneral Descriptions

The AME1117 is a 1A low-dropout positive voltage regu-

lator. It is available in fixed and adjustable output

voltage versions. Overcurrent and thermal protection

are integrated onto the chip. Output current will limit

as while it reaches the pre-set current or temperature

limit. The dropout voltage is specified at 1.4V Maxi-

mum at full rated output current. The AME1117 series

provides excellent regulation over line, load and tem-

perature variations.

n

nApplications

l High Efficiency Linear Regulators

l 5V to 3.3V Voltage Converter

l Battery Charger

l Post Regulators for Switching Supplies

n

nFunctional Block Diagram

Figure 1

n

nKey Features

l Low dropout voltage ..............1.2V at 1A

l Adjustable or fixed voltages 2.5V, 3.3V, 5.0V

l Typical line regulation ....... 0.2%

l Typical load regulation ...... 0.15%

l Adjust pin current less than 90µA

l Overcurrent protection

l Thermal protection

l Available in TO-220, TO-252, SOT-223

Input range depends on V

OUT

Please refer to electrical characteristics.

Figure 2

T herm a l

P rotec tion

B andgap

R e fe renc e

C u rrent

Lim iting

Am p lifie r

Input

O u tput

AD J /C O M

Erro r

Am p .

10

µF Tan

4.75V to 12V

Load

10

µF Tan

AM E1117

GN D

Numéro de pièce similaire - AME1117BCBT

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Analog Microelectronics	AME1117BCBT	177Kb / 19P	1A Low Dropout Positive Voltage Regulator
Analog Microelectronics	AME1117BCBTZ	177Kb / 19P	1A Low Dropout Positive Voltage Regulator

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