EQUIVALENT SCHEMATIC
PIN-OUT INFORMATION
TYPICAL APPLICATIONS
+Input
Shutdown Plus
Clock
Isolated Step Down Power Supply
Microprocessor Power Source
1
2
3
4
5
6
12 -Input
11 Timing 2
10 Timing 1
9 Case
Low Voltage Subsystem Power Source
Adjust/Comp
-Output
+Output
8 -Sense
7 +Sense
ABSOLUTE MAXIMUM RATINGS
TST Storage Temperature Range
TLD Lead Temperature Range
(10 Seconds)
-65°C to +150°C
Input Voltage (pin 7 to pin 6)
Input Transient (pin 7 to pin 6 @ 50mS)
+50V
80V
VIN
VINT
IOUT
300°C
See Efficiency Curve
150°C
1
Output Current
BBF2803S
PD Power Dissipation
5.5A
4.0A
1.9A
1.5A
TJ
Junction Temperature
BBF2805S
BBF2812S
BBF2815S
Case Temperature Range
θJC Thermal Resistance
(Switches)
6.5°C/W
TC
BBF2800S H/E
BBF2800S
-55°C to +125°C
-40°C to +85°C
NOTES:
1 Continuous operation above the absolute maximum ratings may adversly effect the device performance and/or life cycle.
2
Rev. E 12/04