AP9050

PROTECTION INTERFACE for PMICs with

INTEGRATED OVP CONTROL

AP9050

Document number: DS35283 Rev. 1 - 2

1 of 9

www.diodes.com

March 2011

© Diodes Incorporated

Description

AP9050 is designed to protect the latest generation of PMICs

for portable applications such as UMPCs, smartphones and

others utilizing battery power.

The integrated LDO allows the PMIC to power up and

determine whether the connected power supply (USB or

AC-DC wall adapter) is valid and a safe operation can be

performed.

The PMIC controls the operation of the integrated n-channel

MOSFET to either pass the line voltage or disconnect the line

from the PMIC to protect its internal circuits in the event of an

over-voltage.

The AP9050 is available in a low-profile U-DFN2020-6

package.

Pin Assignments

(Top View)

1

3

2

6

4

5

7

8

U-DFN2020-6

Features

•

Input Supply Range from 3V to 30V

•

Lower Power Dissipation and Higher Efficiency as

compared to a Zener Shunt Regulator

•

LDO is stable without a bypass capacitor on the output

and operates across the temperature range

•

Available in a U-DFN2020-6 package with a typical

height of 0.575mm

Applications

•

Power Interface for New Generation PMICs

•

Charger Front End Protection

•

Smartphone

•

Cell Phone

•

Ultra Mobile PC

•

Tablets

Note:

1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at

http://www.diodes.com/products/lead_free.html.

Typical Application Circuit

Figure 1. Typical Application Circuit