LT3012 LINER [Linear Technology], LT3012 Datasheet - Page 14

• Manufacturer Part Number: LT3012
• Description: 250mA, 4V to 80V Low Dropout Micropower Linear Regulator
• Manufacturer: LINER [Linear Technology]

LT3012
TYPICAL APPLICATIONS
14
(72V TRANSIENT)
(LATER 42V)
OFF
OFF
12V
V
IN
ON
ON
48V
V
+
IN
Constant Brightness for Indicator LED over Wide Input Voltage Range
1μF
1μF
NO PROTECTION
DIODE NEEDED!
RETURN
OFF ON
SHDN
IN
–48V
LT3012
GND
I
–48V CAN VARY FROM –4V TO –80V
LED
LT3012 Automotive Application
= 1.24V/R
LT3012 Telecom Application
OUT
ADJ
1μF
IN
SHDN
SET
LT3012
750k
249k
IN
SHDN
GND
LT3012
GND
NO PROTECTION
DIODE NEEDED!
OUT
ADJ
OUT
ADJ
750k
249k
R
SET
3012 TA06
3.3μF
3.3μF
3.3μF
SYSTEM MONITOR
SECURITY SYSTEM
LOAD: CLOCK,
LOAD:
ETC
ETC
3012 TA05
+
–
BACKUP
BATTERY
3012fd