AP2145/AP2155

0.5A SINGLE CHANNEL CURRENT-LIMITED POWER

SWITCH WITH OUTPUT DISCHARGE

AP2145/AP2155

Document number: DS32031 Rev. 2 - 2

2 of 13

www.diodes.com

September 2010

© Diodes Incorporated

Pin Descriptions

Pin Name

Pin Number

Descriptions

EN

1

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

FLG

2

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

GND

3

Ground

NC

4, 5

No internal connection

OUT

6, 8

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

IN

7

Voltage input pin

Functional Block Diagram

AP2145, AP2155

Thermal

Sense

Driver

FLG

OUT

GND

IN

EN

UVLO

Current

Limit

Current

Sense

Deglitch

Absolute Maximum Ratings

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

Output Voltage

V

Enable Voltage

6.5

V

Maximum Continuous Load Current

Internal Limited

A

Maximum Junction Temperature

150

°C

Storage Temperature Range (Note 2)

-65 to 150

°C

Notes: