LTC2930H 查看數據表（PDF） - Linear Technology
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LTC2930H Datasheet PDF : 12 Pages
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LTC2930
APPLICATIONS INFORMATION
5V
3.3V
1.8V
–5.2V
1V
0.9V
0.1μF
68.1k 86.6k 487k
1% 1% 1%
121k
1%
100k
1%
100k
1%
R1A
16.2k
1%
R2A
86.6k
1%
12V (9.6V THRESHOLD)
10k
V1
V2
V3
V4
LTC2930
V5
V6
VREF
VPG
GND
5V
3V
12V
8V
6V
1020k 1400k 2150k
1% 1% 1%
RST
0.1μF
MR
10k**
CRT
100k
1%
CRT
47nF
MANUAL RESET
PUSHBUTTON
tRST = 94ms
**OPTIONAL FOR EXTENDED ESD TOLERANCE
100k
1%
110%0k40R1.12%Bk
R2B
59k
1%
Figure 5. OR-ed System Reset
V1
V2
V3
V4
LTC2930
V5
V6
VREF
VPG
GND
RST
MR
CRT
CRT
47nF
2930 F05
RESET
LTM4600
VIN
5V
5V
VOUT
RUN
LT3028
10k
VIN
VOUT 3.3V
3.3V
SHDN
EN
LTC2950-1
VIN
INT
PB
KILL
LT3028
VIN
VOUT 1.8V
SHDN
LTC3704
VIN
VOUT –5.2V
RUN/UVLO
1.8V
SYSTEM
LOGIC
–5.2V
LT3028
VIN
VOUT 2.5V
SHDN
2.5V
10k
2930 F06
1500k
1%
100k
1%
10
0.1μF
365k 487k
1% 1%
100k 121k
1% 1%
R1
16.2k
1%
R2
86.6k
1%
V1
V2
V3
V4
V5
LTC2930
V6
VREF
VPG CRT
GND
4.7nF
SYSTEM RESET
RST
MR
tRST = 9.4ms
Figure 6. Using a Pushbutton On/Off Controller with the LTC2930
2930fa
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