Datasheet > 8565L-S08-R

8565L-S08-R

更新时间： 2022-03-30 06:49:26

品牌	Logo	应用领域
友顺 - UTC		功率因数校正
页数	文件大小	规格书
13页	368K
描述
HIGH PERFORMANCE POWER FACTOR CORRECTION

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数据手册

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8565L-S08-R 数据手册

UNISONIC TECHNOLOGIES CO., LTD

8565

Preliminary

LINEAR INTEGRATED CIRCUIT

HIGH PERFORMANCE POWER

FACTOR CORRECTION

CONTROLLER IN CONTINUOUS

CONDUCTION MODE

DESCRIPTION

The UTC 8565 is a wide input range controller integrated circuit for

active power factor correction. The circuit is designed for boost PFC

application, and requires reduced external component count. Its power

supply is recommended to be provided by an external auxiliary supply

which will switch on and off the IC.

The circuit operates in the continuous conduction mode under average

current, and in discontinuous conduction mode only in light load

condition. The switching frequency can be set with the external resistor at

pin 4. Both current and voltage loop compensations are done externally

to allow full user control.

There are many kinds of protection features incorporated to make sure of safe system operation conditions, such as

brown-out protection, output under voltage detection and peak current limitation. The inside reference is adjusted

(5V±2%) to make sure control level and precise protection. There is a particular soft-start function to limit the start up

current and thus reduces the stress on the boost diode.

FEATURES

* Supports wide input range

* Under voltage lockout

* Average current control

* Cycle by cycle peak current limiting

* Over-voltage protection

* Open loop detection

* Output under-voltage detection

* Brown-out protection

* Soft Over current Protection

* Enhanced dynamic response

* Ease of use with few external components

* External current and voltage loop compensation

* Trimmed internal reference voltage (5V±2%)

* Programmable operating/switching frequency

* (50kHz ~ 250kHz)

* Max duty cycle of 95% (typ) at 125kHz

ORDERING INFORMATION

Ordering Number

Lead Free

Package

Packing

Halogen Free

8565G-S08-R

8565G-S08-T

8565L-S08-R

SOP-8

Tape Reel

Tube

8565L-S08-T

8565L-S08-R

(1) R: Tape Reel, T: Tube

(2) S08: SOP-8

(1)Packing Type

(2)Package Type

(3)Lead Free

(3) G: Halogen Free, L: Lead Free

www.unisonic.com.tw

1 of 13

QW-R114-004.b

12 3 4 5 6 7...13

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