17 / 18 page
C2472, C2473 and C2474
Datasheet
RDFC Controllers for Offline Applications
Product data
Page 17 of 18
DS-1423-0709C
© Cambridge Semiconductor Ltd 2007
26-Sep-2007
THERMAL CIRCUIT PROTECTION
Parameter
Symbol
Condition
Min
Typ
Max
Units
Thermal shutdown
temperature
TSH
At junction
105
115
125
oC
Thermal shutdown
hysteresis
TSH (HYST)
At junction
35
oC
PACKAGE THERMAL RESISTANCE CHARACTERISTICS
Conditions:
1.
Controller IC mounted on typical PCB (1.6 mm thick, 35 µm copper, CEM1);
2.
θJP measured to pin terminal of device at the surface of the PCB.
Package
Junction-to-pin
θJP (Typical)
Junction-to-ambient
θJA (Typical)
Units
SOT23-6
60
170
°C / W
SOP-8
70
140
°C / W
PDIP-8
35
105
°C / W
PACKAGE AND ORDERING INFORMATION
Package Marking
The PDIP-8 (C2474PW1) and SOP-8 (C2473PX1) packages are marked with the full product type number.
The SOT23-6 package (C2472PX2) is marked with a short code FA as illustrated in Figure 12.
Figure 12: C2472PX2 SOT23-6 Package Marking
Ordering
Type
Package
Packing Form
Order
7” Tape & Reel
C2472PX2-TR7
C2472PX2
SOT23-6
13” Tape & Reel
C2472PX2-TR13
7” Tape & Reel
C2473PX1-TR7
C2473PX1
SOP-8
13” Tape & Reel
C2473PX1-TR13
C2474PW1
PDIP-8
Tube
C2474PW1-T1
For further package and ordering information please contact CamSemi.
F A X X
Lot dependent
code XX (varies)
C2472PX2 product
short code FA
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