L7809AB STMicroelectronics, L7809AB Datasheet - Page 30

• Manufacturer Part Number: L7809AB
• Description: Precision 1 A regulators
• Manufacturer: STMicroelectronics

Application information
Figure 12. 0.5 to 10 V regulator
Figure 13. High current voltage regulator
Figure 14. High output current with short circuit protection
30/57
V
O
R
I
O
=V
1
R
= I
= ______________
SC
XX
REG
=V
R
I
REQ
4
/R
BEQ2
+ Q
V
-(I
1
BEQ1
Q1
1
/I
(I
SC
/b
REG
Q1
)
______)
V
BEQ1
R
1
Doc ID 2143 Rev 26
L78xx, L78xxC, L78xxAB, L78xxAC