LTC3616 Datasheet, PDF (22/28 Pages) Linear Technology – 6A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter

LTC3616
APPLICATIONS INFORMATION
V_FB PIN ^0.6V
VOLTAGE _0V
0.6V
TRACK/SS
PIN VOLTAGE ^0.2V
0V
V_IN
RUN PIN
VOLTAGE
0V
SV_IN PIN ^VIN
VOLTAGE
0V
SHUTDOWN SOFT-START
STATE
STATE
t_SS > 1ms
RUN STATE
TIME
REDUCED
SWITCHING
FREQUENCY
RUN STATE
3616 F08
DOWN
TRACKING
STATE
UP
TRACKING
STATE
Figure 8. DDR Pin Not Tied to S_VIN
0.45V
V_FB PIN ^0.3V
VOLTAGE _0V
0.45V
TRACK/SS ^0.3V
PIN VOLTAGE ^0.2V
0V
V_IN
RUN PIN
VOLTAGE
0V
SV_IN PIN ^VIN
VOLTAGE
0V
SHUTDOWN SOFT-START
STATE
STATE
t_SS > 1ms
EXTERNAL
VOLTAGE
REFERENCE 0.45V
RUN STATE
TIME
REDUCED
SWITCHING
FREQUENCY
RUN STATE
3616 F09
DOWN
TRACKING
STATE
UP
TRACKING
STATE
Figure 9. DDR Pin Tied to SV_IN. Example DDR Application
3616f
22