SANKEN ELECTRIC CO., LTD. １ Scope The present specifications shall apply to switching power supply IC SFA0001-VF-RP
２ O...
SANKEN ELECTRIC CO., LTD. １ Scope The present specifications shall apply to switching power supply IC SFA0001-VF-RP
２ Outline Type Structure
Semiconductor IC (Monolithic IC) Plastic package (Transfer mold)
SFA0001-VF-RP
Features
Build-in current limit protection, thermal shutdown protection. Built-in error-amp helps eliminate components at sensing stage such as shunt
regulator.
３ Absolute maximum ratings ３－１ Absolute maximum ratings（Ta=25℃）
Parameter
Symbol
Ratings
Unit
OCP terminal voltage
VOCP
-6～+6
V
SS terminal voltage
VSS
-0.3～+9
V
FB terminal voltage
VFB
-0.3～+6
V
Input voltage for control part
VCC
0～ 36
V
Phase compensation terminal voltage
VCOMP
-0.3～+ 6
V
Frequency setting terminal voltage
VFREQ
-0.3～+ 6
V
Drive terminal peak current
IDRV(peak) -540mA～+270mA mA
Drive terminal DC current
IDRV(DC)
-180mA～+90mA
mA
Power dissipation
PD
1.2 (※１）
W
Junction temperature
Tj
-40～150
℃
Storage temperature
Tstg
-40～150
℃
（※1）Mounted on glass epoxy board (The dimension of PCB : 42mm×32mm×1mmt)
３－２ Recommended operating conditions
Parameter Input voltage for control part Switching frequency
Symbol
Ratings
Unit
V CC
6～24
V
FOSC
20～200
ｋHz
111227
SSJ -04079
1／12
61426-01
SANKEN ELECTRIC CO., LTD.
SFA0001-VF-RP
４ Electrical characteristic ４-１ Electrical characteristics (VCC=14V, Ta=-40～125℃) (*1)
Parameter
Symbol
Ratings MIN TYP MAX
Unit
Conditions
Power supply Start-up Operation Operation start voltage Oper...
