LTC2928
Applications Information
VCC
CONTROLLER
LTC2928
RT1
EN1
RT2
EN2
RT3
EN3
RT4
EN4
VCC
VCC
3.3k
ON
FLT
1N4148
ON
FLT
EN1-4
SEQUENCING
UP
SHUTDOWN
2928 F11a
Figure 14. Turn-Off Enables Simultaneously (no sequence-down)
24
LTC3704
5V
RUN
–5.2V (VMON(TH) = –4.67V)
10k
43.2k LTC2928
V1
11k
REF
EN1
VCC
VSEL
VMON(TH) = –VREF (43.2k/11k)
2928 F12a
Figure 15. Negative Supply Monitoring
For more information www.linear.com/LTC2928
2928fa