Diodes AP2145/ AP2155 Manuel d'utilisateur télécharger pdf (Page 2)

AP2145/ AP2155

Document number: DS32031 Rev. 3 - 2

2 of 13

www.diodes.com

March 2013

AP2145/ AP2155

Available Options

Part Number Channel

Enable Pin

(EN)

Current Limit

(typ)

Recommended Maximum

Continuous Load Current

AP2145 1 Active Low 0.8A 0.5A

AP2155 1 Active High 0.8A 0.5A

Pin Descriptions

Pin Name

Pin Number

Function

SO-8 MSOP-8EP

EN 1 1 Enable input, active low (AP2145) or active high (AP2155)

FLG 2 2 Over-current and over-temperature fault report; open-drain flag is active low when triggered.

GND 3 3 Ground

4, 5 4, 5 No internal connection

OUT

6, 8 6, 8 Voltage output pin (all OUT pins must be tied together externally)

7 7 Voltage input pin

Exposed Pad — Exposed Pad

Exposed Pad:

It should be externally connected to GND plane and thermal mass for enhanced thermal impedance.

It should not be used as electrical ground conduction path.

Functional Block Diagram

AP2145, AP2155

Thermal

Sense

Driver

FLG

OUT

GND

UVLO

Current

Limit

Current

Sense

Deglitch

Absolute Maximum Ratings (@T

= +25°C, unless otherwise specified.)

Symbol Parameter Ratings Unit

ESD HBM Human Body Model ESD Protection 6 kV

ESD MM Machine Model ESD Protection 400 V

Input Voltage 6.5 V

OUT

Output Voltage

+0.3

EN ,

FLG

Enable Voltage 6.5 V

LOAD

Maximum Continuous Load Current Internal Limited A

J(MAX)

Maximum Junction Temperature 150 °C

Storage Temperature Range (Note 4) -65 to +150 °C

Caution: Stresses greater than the 'Absolute Maximum Ratings' specified above, may cause permanent damage to the device. These are stress ratings only;

functional operation of the device at these or any other conditions exceeding those indicated in this specification is not implied. Device reliability may be

affected by exposure to absolute maximum rating conditions for extended periods of time.

Semiconductor devices are ESD sensitive and may be damaged by exposure to ESD events. Suitable ESD precautions should be taken when handling

and transporting these devices

Note: 4. UL Recognized Rating from -30°C to +70°C (Diodes qualified T

from -65°C to +150°C)

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Diodes AP2145/ AP2155 Manuel d'utilisateur Page 2

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