AIC1117-33CM Analog Intergrations Corporation, AIC1117-33CM Datasheet

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AIC1117-33CM

Manufacturer Part Number

AIC1117-33CM

Description

Manufacturer

Analog Intergrations Corporation

Datasheet

1.AIC1117-33CM.pdf (8 pages)

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Analog Integrations Corporation

FEATURES

APPLICATIONS

TYPICAL APPLICATION CIRCUIT

Dropout Voltage 1.2V at 800mA Output Current.

Fast Transient Response.

Line Regulation typically at 0.015%.

Load Regulation typically at 0.1%.

Current Limiting and Thermal Protection.

Adjustable Output Voltage or Fixed 1.8V, 2.5V,

2.85V, 3.3V, 5V.

Standard 3-Pin Power Packages.

SCSI-2 Active Terminator.

Post Regulator for Switching Supply.

Battery Chargers.

Constant-Current Regulators.

PC Add-On Card.

V

5V

V

5V

IN

IN

Adjustable Voltage Regulator

10µF

10µF

C1

C1

Fixed Voltage Regulator

+

+

3

3

AIC1117-33

AIC1117

1

ADJ

1

GND

4F, 9 Industry E. 9th Rd, Science-Based Industrial Park, Hsinchu, Taiwan

TEL: 886-3-5772500

2

V

205Ω

RF2

1%

REF

2

RF1

125Ω

1%

800mA Low Dropout Positive Regulator

+

+

C2

10µF

C2

10µF

V

3.3V

V

3.3V

OUT

OUT

FAX: 886-3-5772510

V

V

I

(1) C1 needed if device is far away from filter

(2) C2 required for stability.

ADJ

REF

OUT

=55µA (typ.)

DESCRIPTION

capacitors.

=V

=V

The AIC1117 is a low dropout three terminal

regulator with 800mA output current capability.

The output voltage is adjustable with the use

of a resistor divider. For fixed output voltage

versions, the output voltage is internally set at

1.8V, 2.5V, 2.85V, 3.3V, or 5V. Dropout voltage

is guaranteed to be at a maximum of 1.3 V

with the maximum output current. Its low

dropout voltage and fast transient response

make it ideal for low voltage microprocessor

applications. Current limiting and thermal

protection provide protection against any

overload

excessive junction temperatures.

OUT

REF

- V

x (1+RF2/RF1)+ I

www.analog.com.tw

ADJ

=1.25V (typ.)

condition

ADJ

that

x RF2

would

DS-1117-02 032802

AIC1117

create

1

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