Datasheet > SDC4566JTR-E1

SDC4566JTR-E1

更新时间： 2024-11-06 02:52:35

品牌	Logo	应用领域
光大芯业 - SDC		/
页数	文件大小	规格书
14页	440K
描述
Current Mode PWM Controller

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SDC4566JTR-E1 数据手册

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Features

Datasheet

Current Mode PWM Controller

General Description

SDC4566

SDC4566 is a highly integrated current mode PWM control

IC optimized for high performance, low standby power

and cost effective offline flyback converter applications in

sub 60W range.



Frequency shuffling technology for improved emc

performance



Audio noise free operation

Extended burst mode control for improved efficiency

and minimum standby power design

Internal synchronized slope compensation

Low VCC startup current and low operating current

Leading edge blanking on current sense input

Good protection coverage with auto self-recovery

（UVLO/OVP/ OCP/OLP/OTP）

The internal slope compensation improves system large

signal stability and reduces the possible subharmonic

oscillation at high PWM duty cycle output. Leading-edge

blanking on current sense(CS) input removes the signal

glitch due to snubber circuit diode reverse recovery and

thus greatly reduces the external component count and

system cost in the design.



FB/CS open loop protection

Secondary Rectifier Short Protection

Package: SOT-23-6

SDC4566 offers complete protection coverage with

automatic self-recovery feature including cycle-by-cycle

current limiting (OCP), over load protection (OLP), VCC

over voltage clamp and under voltage lockout (UVLO). The

gate drive output is clamped to maximum 14V to protect

the power MOSFET.

Applications



Battery charger

Power adapter

Set-top box power supplies

SOT-23-6

Figure 1. Package Type

December, 2013 Rev. 1.1

1/14

www.sdc-semi.com

12 3 4 5 6 7...14

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