Diodes AP2181/ AP2191 Manuel d'utilisateur télécharger pdf (Page 2)

AP2181/ AP2191

Document number: DS31563 Rev. 7 - 2

2 of 17

www.diodes.com

March 2013

AP2181/ AP2191

Typical Applications Circuit

0.1uF

GND

OUT

120uF

Power Supply

2.7V to 5.5V

0.1uF

OFF

FLG

Load

10k

10uF

AP2191 Enable Active High

Available Options

Part Number Channel Enable Pin (EN)

Current Limit

(typ)

Recommended Maximum Continuous

Load Current

AP2181 1 Active Low 2.1A 1.5A

AP2191 1 Active High 2.1A 1.5A

Pin Descriptions

Name

Pin Number

Function

SO-8 MSOP-8EP SOT25 U-DFN2018-6

GND 1 1 2 1 Ground

2, 3 2, 3 5 2 Voltage input pin (all IN pins must be tied together externally)

EN 4 4 4 3 Enable input, active low (AP2181) or active high (AP2191)

FLG 5 5 3 4

Over-current and over-temperature fault report; open-drain flag is active low when

triggered

OUT

6, 7 6, 7 1 5, 6 Voltage output pin (all OUT pins must be tied together externally)

8 8 N/A N/A No internal connection; recommend tie to OUT pins

Exposed tab - Exposed tab - Exposed tab

Exposed pad.

It should be connected to GND and thermal mass for enhanced thermal

impedance. It should not be used as electrical ground conduction path.

1 2 3 4 5 6 7 ... 16 17

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Diodes AP2181/ AP2191 Manuel d'utilisateur Page 2

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