LTC2931 Linear Technology, LTC2931 Datasheet - Page 13

• Manufacturer Part Number: LTC2931
• Description: Confi gurable Six Supply Monitor
• Manufacturer: Linear Technology

www.DataSheet4U.com
APPLICATIONS INFORMATION
12V (9.6V THRESHOLD)
1820k
1%
100k
1%
V
V
PB
RUN
IN
IN
EN
LTC2950-1
LTM4600
V
KILL
OUT
INT
Figure 6. Five Supply Power-Up Sequencer with Push Button (Watchdog Functions Disabled)
5V
10k
10k
10k
10k
10k
V
V
V
V
IN
IN
IN
IN
RUN/UVLO
LTC3704
LT3028
LT3028
LT3028
SHDN
SHDN
SHDN
V
V
V
V
0.1μF
OUT
OUT
OUT
OUT
3.3V
1.8V
–5.2V
2.5V
365k
1%
100k
1%
487k
1%
121k
1%
R1
16.2k
1%
R2
86.6k
1%
V1
V2
V3
V4
V5
V6
RST
VREF
COMP1 COMP2 COMP3 COMP4 COMP5 COMP6
VPG
CRT
4.7nF
LTC2931
WDI
GND
10k
CWT
t
WDO
RST
10k
12V SUPPLY STATUS
= 9.4ms
LTC2931
–5.2V
DONE
3.3V
1.8V
2.5V
5V
SYSTEM
13
LOGIC
2931fb
2931 F06