Datasheet

21
LT1790
1790fa
APPLICATIONS INFORMATION
WUU
U
LT1790
C1
0.1µF
C2
1µF
ON SEMI
MMBT5551
V
S
6V TO 160V
V
OUT
1790 F11
R2
4.7k
R1
330k
BZX84C12
LT1790
C2
1µF
BAV99
V
OUT
1790 F12
C1
0.1µF
R1
330k
V
S
6.5V TO 160V
ON SEMI
MMBT5551
–
+
LT1790-2.5
LT1782
17909 F13
C2
1µF
NOTE: NOT CURRENT LIMITED
V
OUT
= 2.5V
I
LOAD
= 0mA to 300mA
R3
22Ω
5%
R1
680Ω
5%
V
S
2.8V TO 3.3V
NO LOAD
SUPPLY CURRENT
120µA
R2
100k
5%
C1
0.1µF
R4
1k
5%
VISHAY SILICONIX
Si3445DV
Figure 11. Extended Supply Range Reference
Figure 12. Extended Supply Range Reference
Figure 13. Compact, High Output Current, Low Dropout, Precison 2.5V Supply