LTC2914 查看數據表（PDF） - Linear Technology
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LTC2914 Datasheet PDF : 16 Pages
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TYPICAL APPLICATIONS
Quad UV/OV Supply Monitor, 10% Tolerance, 5V, 3.3V, 2.5V, 1.8V
5V
3.3V
P0WER
SUPPLIES
2.5V
1.8V
CBYP 0.1μF
RC1
44.2k
RB1 RC2
1k 27.4k
RA1 RB2
4.53k 1k
RA2 RC3
4.53k 19.6k
RB3
1k
RA3
4.53k
16
1
VCC
14
VH1
SEL
2
3
4
10
5
RC4
12.4k6
7
RB4
1k 8
RA4
4.53k
LTC2914-1
VL1
OV 11
VH2
UV 12
VL2
REF
13
VH3 LATCH
VL3
VH4
VL4
GND
9
TMR
15
CTMR
22nF
SYSTEM
2914 TA02
TIMEOUT = 200ms
Dual Positive and Dual Negative UV/OV Supply Monitor,
10% Tolerance, 5V, 3.3V, –5V, –3.3V
5V
P0WER
SUPPLIES 3.3V
CBYP 0.1μF
–3.3V
–5V
RC1
44.2k
RB1
1k
RA1
4.53k
RC2
27.4k
RB2
1k
RA2
4.53k
RA3
4.64k
RB3
845Ω
RC3
54.9k
16
1
VCC
VH1
2
VL1
3 VH2
OV 11
LTC2914-1
4
VL2
UV 12
10
REF
5
RA4
4.64k 6
7
RB4
768Ω 8
RC4
37.4k
VH3
VL3
VH4
VL4
GND
9
13
LATCH
14
SEL
TMR
15
CTMR
2.2nF
TIMEOUT = 20ms
SYSTEM
2914 TA03
LTC2914
2914fa
13
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