LT1117/LT1117-2.85
LT1117-3.3/LT1117-5
TYPICAL APPLICATIONS
1.2V to 10V Adjustable Regulator
5V Regulator with Shutdown
LT1117
LT1117
†
V
5V
V
V
IN
OUT
IN
OUT
IN
IN
OUT
R1
121Ω
121Ω
1%
ADJ
ADJ
+
10μF
1k
+
+
+
C1*
10μF
C2
100μF
100μF
R2
1k
2N3904
TTL
365Ω
1%
1k
* NEEDED IF DEVICE IS FAR FROM FILTER CAPACITORS
R2
R1
1117 TA04
†
V
= 1.25V 1 +
(
—
OUT
)
1117 TA03
Remote Sensing
R
P
LT1117
ADJ
(MAX. DROP 300mV)
OUTPUT
5V
V
IN
OUT
IN
V
IN
+
100μF
25Ω
2
7
–
6
LM301A
+
R
1k
L
1
3
10μF
+
121Ω
8
4
5μF
365Ω
100pF
RETURN
25Ω
RETURN
1117 TA05
Adjusting Output Voltage of Fixed Regulators
Regulator with Reference
LT1117-5
LT1117-5
V
> 12V
5V TO 10V
V
> 11.5V
10V
IN
OUT
IN
OUT
IN
IN
+
+
+
+
GND
GND
100μF
10μF
100μF
10μF
5V
OUT
+
10μF*
1k
LT1029
1117 TA07
* OPTIONAL IMPROVES RIPPLE REJECTION
1117 TA06
1117fd
10
Linear [ Linear ]
