Datasheet > AIC1686CN

AIC1686CN

更新时间： 2024-09-15 22:53:43

品牌	Logo	应用领域
沛亨 - AIC		稳压器
页数	文件大小	规格书
8页	243K
描述
Off-Line Power Supply Protection IC with Shunt Regulator

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AIC1686CN 数据手册

AIC1686

Off-Line Power Supply Protection IC with Shunt

Regulator

ꢀ FEATURES

ꢀ DESCRIPTION

The AIC1686 is a supervisory and protection IC

intended for use in off-line, multiple output

power supplies. It consists of protection circuitry,

power good indicator, remote ON/OFF control,

and precision shunt regulator. The overvoltage

protection (OVP) function is for 3.3V, 5V, and

12V outputs. In addition, an uncommitted fault

detection input (PRIN) is available for use with

other protection functions, such as overcurrent,

undervoltage, and/or short-circuit protection of

outputs.

ꢀ Overvoltage Protection for 3.3V, 5V, and 12V

Outputs.

ꢀ Power Good Signal for 5V Output.

ꢀ Remote ON/OFF Input.

ꢀ Uncommitted Protection Input.

ꢀ 5V Regulator with 25mA Source Current.

ꢀ 2.5V Precision Shunt Regulator.

ꢀ 8V to 16V Operation.

ꢀ Low Power Consumption.

ꢀ APPLICATIONS

The shunt regulator has been included to

implement the feedback control for one of the

power supply’s outputs. The noniverting input

(EAI) is internally tied to a precision 2.5V

reference.

ꢀ PC Off-Line Power Management.

The power good circuit monitors the 5V output

and asserts, with a programmable delay, a TTL

compatible high logic level at its output after the

5V output reaches the regulation range. The

delay is programmed by a timing capacitor

connected to CPG pin of the IC. The power

good circuit sets its output low before the 5V

output goes out of regulation range. The remote

ON/OFF function enables the power supply to

be turned on and off from the secondary side by

a switch.

Analog Integrations Corporation 4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC

DS-1686-00 TEL: 886-3-5772500 FAX: 886-3-5772510

www.analog.com.tw

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