Datasheet > SDC4563JTR-G1

SDC4563JTR-G1

更新时间： 2023-12-18 00:00:00

品牌	Logo	应用领域
光大芯业 - SDC		/
页数	文件大小	规格书
13页	415K
描述
Current Mode PWM Controller

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SDC4563JTR-G1 数据手册

Datasheet

Current Mode PWM Controller

General Description

SDC4563

Features

SDC4563 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 30W range.



Frequency shuffling technology for improved EMI

performance



Audio noise free operation

Extended burst mode control for improved efficiency

and minimum standby power design

External programmable PWM switching

Internal synchronized slope compensation

Low VDD startup current and low operating current

(1.4mA)

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.



Leading edge blanking on current sense input

Good protection coverage with auto self-recovery

(UVLO/OVP/OCP/OLP)

SDC4563 offers complete protection coverage with

automatic self-recovery feature including cycle-by-cycle

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

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

Gate-drive output is clamped to maximum 18V to protect

the power MOSFET.



Package: SOT-23-6

Applications



Battery charger

Power adapter

Set-top box power supplies

SOT-23-6

Figure 1. Package Type

December, 2013 Rev. 1.1

1/13

www.sdc-semi.com

12 3 4 5 6 7...13

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