L7809AB STMicroelectronics, L7809AB Datasheet - Page 32
L7809AB
Manufacturer Part Number
L7809AB
Description
Precision 1 A regulators
Manufacturer
STMicroelectronics
Datasheet
1.L7812C.pdf
(57 pages)
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Application information
L78xx, L78xxC, L78xxAB, L78xxAC
Figure 17. Negative output voltage circuit
Figure 18. Switching regulator
Figure 19. High input voltage circuit (configuration 1)
V
= V
- (V
+ V
)
IN
I
Z
BE
32/57
Doc ID 2143 Rev 26