SSC2005SC 查看數據表（PDF） - Sanken Electric co.,ltd.
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SSC2005SC Datasheet PDF : 19 Pages
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Critical Conduction Mode PFC Control IC
SSC2005SC
General Description
SSC2005SC is a Critical Conduction Mode (CRM)
control IC for power factor correction (PFC).
Since no input voltage sensing and no auxiliary
winding for inductor current detection are required, the
IC allows the realization of low standby power and the
low number of external components. The product
achieves high cost-performance and high efficiency PFC
converter system.
Features and Benefits
Inductor Current Detection
(No auxiliary winding required)
Low Standby Power
(No input voltage sensing required)
Minimum Off-time Limitation Function to restrict the
Rise of Operation Frequency
High Accuracy Overcurrent detection: −0.60 V ± 5 %
Protections
Overcurrent Protection (OCP): Pulse-by-pulse
Overvoltage Protection (OVP): Auto restart
FB Pin Undervoltage Protection (FB_UVP): Auto
restart
Thermal Shutdown Protection with hysteresis (TSD):
Auto restart
Typical Application Circuit
VAC
BR1
DBYP
L1
D1
D2 R2
C1
Q1
C2
R1 R3
RCS
VOUT
LINE
GND
R4
DZCS
C5
Cｆ
External power
supply
U1
CS
5
GND
6
OUT
7
RDLY
4
RT 3
COMP
2
8 VCC
FB 1
SSC2005SC
C6
RVS1
RVS2
C4
C3 RRT
RS
CP
CS
RDLY
TC_SSC2005SC_1_R2
Package
SOIC8
Not to scale
FB 1
COMP 2
RT 3
RDLY 4
8 VCC
7 OUT
6 GND
5 CS
Electrical Characteristics
VCC Pin Absolute Maximum Ratings, VCC = 28 V
OUT Pin Source Current, IOUT(SRC) = −500 mA
OUT Pin Sink Current, IOUT(SNK) = 1000 mA
Applications
PFC circuit up to 200 W of output power such as:
AC/DC power supply
Digital appliances (large size LCD television and so
forth).
OA equipment (Computer, Server, Monitor, and so
forth).
Communication facilities
SSC2005SC-DS Rev.1.1
SANKEN ELECTRIC CO.,LTD.
1
Feb. 06, 2015
http://www.sanken-ele.co.jp/en/
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