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HA16174FP

更新时间： 2024-02-04 10:45:10

品牌	Logo	应用领域
瑞萨 - RENESAS		功率因数校正控制器
页数	文件大小	规格书
37页	352K
描述
Power Factor Correction Controller IC

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HA16174FP 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	DIP
包装说明：	,	针数：	16
Reach Compliance Code：	compliant	Factory Lead Time：	1 week
风险等级：	5.82	模拟集成电路 - 其他类型：	SWITCHING REGULATOR
Base Number Matches：	1

HA16174FP 数据手册

HA16174P/FP

Power Factor Correction Controller IC

REJ03D0789-0100

Rev.1.00

Jan 06, 2006

Description

The HA16174P/FP is a power-factor correction (PFC) controller IC.

This IC adopts continuous conduction mode as PFC operation.

Various functions such as over voltage detection, over current detection, soft start, feedback-loop disconnection

detection, Power Good signal output, and holding function of PFC operation through momentary outage (PFC hold

function) are incorporated in a single chip. This eliminates a significant amount of external circuitry.

The PFC function enables the continuation of PFC operation for a specified period when a momentary outage occurs, so

that quick recovery after a sufficiently momentary outage is achieved^*. The continuance time can be adjusted by an

external capacitance.

The PFC output voltage is monitored by checking the Power Good signal. When the power-factor correction is “good,”

the Power Good signal is output after a delay time to secure stabilization of the PFC output voltage; when the power

factor correction is not good, the output is stopped immediately. The delay time and power good stop level are

adjustable by using an external circuit.

PFC operation can be turned on and off by an external control signal. By using this function, PFC operation can be

disabled at low input voltage, allowing remote control from the secondary side.

A soft-start control pin provides for the easy adjustment of soft-start operation, and can be used to prevent overshooting

of the output voltage.

*: For details on the PFC hold function, refer to page 19.

Features

•

Maximum ratings

Power-supply voltage Vcc: 24 V

Operating junction temperature Tjopr: –40 to 125°C

Electrical characteristics

•

VREF output voltage VREF: 5.0 V ± 3%

UVLO operation start voltage VH: 10.5 ± 0.7 V

UVLO operation stop voltage VL: 9.0 ± 0.5 V

PFC output maximum ON duty Dmax-out: 95% (typ.)

Functions

•

Continuous conduction mode

Hold function of PFC operation on momentary outage (PFC hold function)

Over voltage detection

Over current detection

Soft start

Feedback loop disconnection detection

Power Good signal output (open-drain output)

PFC function on/off control

Package lineup: SOP-16 and DILP-16

Rev.1.00 Jan 06, 2006 page 1 of 36

12 3 4 5 6 7...37

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