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SU1117A

1A Low Dropout Positive Adjustable or Fixed-Mode Regulator

Secos Corporation. 

Elektronische Bauelemente

Block Diagram

SU1117A

1A Low Dropout Positive

Adjustable or Fixed-Mode Regulator

Pin Descriptions

Name

I/O

Pin#

Adj (GND) I

1

Vout

O

2

Vin

I

3

Function

A resistor divider from this pin to the Vout pin and ground sets the output voltage (Ground

only for fixed mode)

The output of the regulator. A minimum of 10uF capacitor must be connected from this pin

to ground to insure stability.

The input pin of regulator .Typically a large storage capacitor is connected from this pin to

ground to insure that the input voltage does not sag below the minimum dropout voltage

during the load transient response .This pin must always be 1.3V higher than Vout in order

for the device to regulate properly.

Absolute Maximum Ratings

Parameter

DC Supply Voltage

Power Dissipation

Storage Temperature Range

Operating Juction Temperature Range

Symbol

VIN

PD

TST

TOP

Ratings

-0.3 to 12

Internally Limited

-65~+150

0~+150

Unit

V

oC

oC

http://www.SeCoSGmbH.com/

01-Jun-2002 Rev. A

Any changing of specification will not be informed individual

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