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SDC4109 데이터시트 PDF




SDC에서 제조한 전자 부품 SDC4109은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 SDC4109 기능
기능 Current Mode PWM Power Switch
제조업체 SDC
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SDC4109 데이터시트, 핀배열, 회로
Current Mode PWM Power Switch
Datasheet
SDC4109
General Description
Features
SDC4109 combines a dedicated current mode PWM
Tcontroller with a high voltage power MOSFET. It is
optimized for high performance, low standby power, and
Ncost effective off-line flyback converter applications in sub
E27W range.
MSDC4109 offers Complete protection coverage with
automatic self-recovery feature including cycle-by-cycle
Ucurrent limiting (OCP), over load protection (OLP), VDD
Cover voltage clamp and under voltage lockout (UVLO).
Excellent EMI performance is achieved with frequency
Oshuffling technique, together with soft switching control
Dat the totem pole gate drive output. The tone energy at
below 22kHz is minimized in the design and audio noise is
CONFIDENTIALeliminated during operation
Power on soft start reducing MOSFET VDS stress
Frequency shuffling for EMI
Extended burst mode control for improved
efficiency and minimum standby power design
Audio noise free operation
Fixed 50kHz switching frequency
Internal synchronized slope compensation
Low VDD startup current and low operating current
Leading edge blanking on current sense input
Good protection coverage with auto self-recovery:
VDD over voltage clamp and under voltage lockout
with hysteresis (UVLO)
Line input compensated cycle-by-cycle over-current
threshold setting for constant output power limiting
over universal input voltage range
Over load protection (OLP)
Over voltage protection(OVP)
Applications
Battery charger
PDA power supplies
Digital cameras and camcorder adaptor
VCR, SVR, STB, DVD&DVCD player SMPS
Set-top box power
Auxiliary power supply for PC and server
Open-frame SMPS
SDC
DIP-8
Figure 1. Package Type
December, 2013 Rev. 1.1
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
1/13
www.sdc-semi.com




SDC4109 pdf, 반도체, 판매, 대치품
Current Mode PWM Power Switch
Datasheet
SDC4109
Ordering Information
TSDC4109 X X - X
ENCircuit Type
MPackage
UDIP-8: Z
E1: Pb-free
G1: Halogen-free
Blank: Tube
DOCPackage
LDIP-8
Temperature
Range
-40~85
Part Number
Pb-free
Halogen-free
SDC4109Z -E1 SDC4109Z -G1
Marking ID
Pb-free
Halogen-free
SDC4109
SDC4109G
Packing Type
Tube
IAOutput Power Table
TProduct
NSDC4109
230VAC±15%
27W
85-265VAC
12W
CONFIDETable 2. Output Power
SDC
December, 2013 Rev. 1.1
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
4/13
www.sdc-semi.com

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SDC4109 전자부품, 판매, 대치품
Current Mode PWM Power Switch
Datasheet
SDC4109
Parameter
Symbol
Condition
Min Typ Max Unit
Normal oscillation frequency
TFrequency temperature stability
NFrequency voltage stability
EMaximum duty cycle
MBurst mode base frequency
CUMOSFET DRAIN-source breakdown
Ovoltage
Static DRAIN to source on resistance
DDrain to source Leakage Current
CONFIDENTIALModulation range /Base frequency
fOSC -
ΔfTemp
-
ΔfVDD
-
Dmax FB=3.3V, CS =0V
fBM -
Mosfet Section
BVdss
VGS=0V,ID=250uA
RDS(on)
VGS=10V,ID=1.0A
IDSS VDS=600V,VGS=0V
Frequency Shuffling
ΔfOSC
-
Table 5. Electrical Characteristics
45 50 55 kHz
-5 -%
-5 -%
70 80 90
%
- 22 - kHz
600 -
- 4.4
-
5.5
1
V
Ώ
uA
-4 - 4 %
SDC
December, 2013 Rev. 1.1
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
7/13
www.sdc-semi.com

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