LT1912 Linear Technology Corporation, LT1912 Datasheet - Page 18

• Manufacturer Part Number: LT1912
• Description: Step-Down Switching Regulator
• Manufacturer: Linear Technology Corporation

www.DataSheet4U.com
www.DataSheet4U.com
APPLICATIONS INFORMATION
LT1912
18
IMPEDANCE
24V SUPPLY
ENERGIZED
LOW
+
+
+
Figure 9. A Well Chosen Input Network Prevents Input Voltage Overshoot and
Ensures Reliable Operation when the LT1912 is Connected to a Live Supply
SIMULATES HOT PLUG
CLOSING SWITCH
AI.EI.
0.1μF
22μF
35V
STRAY
INDUCTANCE
DUE TO 6 FEET
(2 METERS) OF
TWISTED PAIR
+
0.7Ω
I
IN
V
IN
4.7μF
4.7μF
4.7μF
LT1912
LT1912
LT1912
(9a)
(9b)
(9c)
20V/DIV
10A/DIV
20V/DIV
10A/DIV
20V/DIV
10A/DIV
V
V
V
I
I
I
IN
IN
IN
IN
IN
IN
DANGER
RINGING V
ABSOLUTE MAXIMUM RATING
20μs/DIV
20μs/DIV
20μs/DIV
IN
MAY EXCEED
1912 F09
1912f