AN2063 查看數據表（PDF） - STMicroelectronics

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AN2063

VIPower™: low consumption standby power with the VIPerx2A family

STMicroelectronics 

AN2063

Application note

VIPower™: low consumption standby power

with the VIPerx2A family

Introduction

The new regulation on the power supply standby consumption for the battery charger is

more and more stringent. Thanks to the VIPerx2A family low power consumption, a battery

charger can be built in standby mode with no-load of 100 mW. This charger solution with the

VIPer12A-E is presented in Table 1.

Some general features:

• Ultra low standby power dissipation

• Burst mode operation in standby

• 72% typical efficiency

• Current mode controller

• Output short-circuit protection

• Thermal shutdown protection

Parameters

Input voltage range

Input frequency range

Output voltage

Output current

Output power

Efficiency

Line regulation

Load regulation

Output ripple

Safety

Table 1. Operation conditions

Limits

90 to 264 VAC

50 to 60 Hz

5V

800 mA

4W

72% typical

0.5%

1%

30 mVpp

Short-circuit protection

November 2014

DocID10955 Rev 2

1/15

www.st.com

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