LT3014
U
TYPICAL APPLICATIO S
LT3014 Automotive Application
IN
OUT
ADJ
NO PROTECTION
DIODE NEEDED!
+
V
IN
LT3014
SHDN
R1
R2
1µF
12V
1µF
LOAD: CLOCK,
SECURITY SYSTEM
ETC
(LATER 42V)
GND
OFF
ON
LT3014 Telecom Application
V
IN
48V
(72V TRANSIENT)
IN
OUT
+
–
LT3014
BACKUP
BATTERY
R1
R2
NO PROTECTION
DIODE NEEDED!
1µF
1µF
LOAD:
SYSTEM MONITOR
ETC
SHDN
ADJ
GND
3014 TA05
OFF
ON
Constant Brightness for Indicator LED over Wide Input Voltage Range
RETURN
IN
OUT
LT3014
1µF
1µF
OFF ON
–48V
SHDN ADJ
GND
R
SET
3014 TA06
I
= 1.22V/R
SET
LED
–48V CAN VARY FROM –3.3V TO –80V
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