LTC2930 Linear Technology, LTC2930 Datasheet - Page 10

• Manufacturer Part Number: LTC2930
• Description: Confi gurable Six Supply Monitor
• Manufacturer: Linear Technology

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APPLICATIONS INFORMATION
LTC2930
10
5V
3.3V
1.8V
–5.2V
1V
0.9V
0.1μF
12V (9.6V THRESHOLD)
1500k
1%
100k
1%
68.1k
1%
100k
1%
V
V
PB
RUN
IN
IN
EN
LTC2950-1
LTM4600
86.6k
1%
100k
1%
V
KILL
OUT
INT
5V
487k
1%
121k
1%
R1A
16.2k
1%
R2A
86.6k
1%
0.1μF
Figure 6. Using a Pushbutton On/Off Controller with the LTC2930
V
V
V
V
VREF
V1
V2
V3
V4
V5
V6
IN
IN
IN
IN
RUN/UVLO
LTC3704
LT3028
LT3028
LT3028
VPG
SHDN
SHDN
SHDN
V
V
V
V
OUT
OUT
OUT
OUT
LTC2930
GND
3.3V
1.8V
–5.2V
2.5V
10k
Figure 5. OR-ed System Reset
CRT
**OPTIONAL FOR EXTENDED ESD TOLERANCE
RST
365k
1%
100k
1%
MR
C
47nF
RT
487k
1%
121k
1%
R1
16.2k
1%
R2
86.6k
1%
10k
10k**
t
MANUAL RESET
PUSHBUTTON
RST
5V
3V
12V
8V
6V
= 94ms
0.1μF
V1
V2
V3
V4
V5
V6
VREF
VPG
1020k
1%
100k
1%
CRT
1400k
1%
100k
1%
4.7nF
LTC2930
2150k
1%
100k
1%
40.2k
GND
R1B
R2B
59k
1%
1%
VREF
V1
V2
V3
V4
V5
V6
t
RST
RST
VPG
MR
= 9.4ms
LTC2930
10k
GND
SYSTEM RESET
–5.2V
3.3V
1.8V
2.5V
5V
2930 F05
CRT
RST
MR
SYSTEM
LOGIC
C
47nF
RT
2930 F06
RESET
2930fa