Datasheet

LTC3612
22
3612fb
For more information www.linear.com/LTC3612
APPLICATIONS INFORMATION
Figure 7. DDR Pin Not Tied to S
VIN
Figure 8. DDR Pin Tied to SV
IN
. Example DDR Application
SOFT-START
STATE
t
SS
> 1ms
SHUTDOWN
STATE
0.6V
0.6V
0.2V
0V
0V
0V
0V
V
IN
V
IN
V
FB
PIN
VOLTAGE
TRACK/SS
PIN VOLTAGE
RUN PIN
VOLTAGE
SV
IN
PIN
VOLTAGE
RUN STATE RUN STATE
TIME
3612 F07
REDUCED
SWITCHING
FREQUENCY
DOWN
TRACKING
STATE
UP
TRACKING
STATE
SOFT-START
STATE
t
SS
> 1ms
SHUTDOWN
STATE
0.3V
0.45V
0.45V
0.3V
0.2V
0V
0V
0V
0V
V
IN
V
IN
V
FB
PIN
VOLTAGE
EXTERNAL
VOLTAGE
REFERENCE 0.45V
TRACK/SS
PIN VOLTAGE
RUN PIN
VOLTAGE
SV
IN
PIN
VOLTAGE
RUN STATE RUN STATE
TIME
3612 F08
REDUCED
SWITCHING
FREQUENCY
DOWN
TRACKING
STATE
UP
TRACKING
STATE