DC/DC Step-Down Converter IC
SI-8000TM Series
September 2005
1. Scope
The present specifications shall apply to a DC-DC buck converter SI-8008TM.
2. Outline
Classification Semiconductor IC (monolithic IC)
Structure
Plastic package (transfer mold)
Applications
・DC voltage regulator
・Power supplies for telecommunication equipment , office equipment etc ,ON-board local regulator
・Output voltage regulator at secondary stage of switch mode power supply
3. Absolute maximum ratings
3-1 Absolute maximum ratings
Characteristic
DC input voltage
Power dissipation 1
Power dissipation2
Junction temperature
Storage temperature
Thermal resistance (junction-case)
Thermal resistance
(junction-ambient air)
Symbol
VIN
Pd1
Pd2
Tj
Tstg
θj-c
θj-a
Ratings
43
1.06
1.65
-40~150
-40~150
6
95
Units
Remarks
V
W
W
℃
℃
℃/W
℃/W
Glass‐epoxy board mounting in 900square
㎜, copper area 4.3%
Tjmax=125℃
Glass‐epoxy board mounting in 900square
㎜, copper area 50%
Tjmax=125℃
Thermal protection circuit is built-in
in this product and when junction
temperature rises to 130℃ or
higher, it may be caused to operate
Recommended max. junction
temperature at operation is 125℃.
Glass‐epoxy board mounting in 900square
㎜, copper area 4.3%
.
Sanken Electric Co.,Ltd.
2/15
I02-001EA-050910