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LTC1416 데이터 시트보기 (PDF) - Linear Technology

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LTC1416
Linear
Linear Technology Linear
LTC1416 Datasheet PDF : 20 Pages
First Prev 11 12 13 14 15 16 17 18 19 20
LTC1416
APPLICATIONS INFORMATION
ANALOG
INPUT
1µF CER
C5
1 AIN+
2 AIN–
3
VREF
4
COMP
28
AVDD
27
DVDD
26
VSS
25
BUSY
5
AGND
24
CS
6
23
D13 (MSB) CONVST
7
D12
22
RD
8
D11
21
SHDN
9
D10
10
D9
LTC1416
20
D0
19
D1
11
D8
18
D2
12
D7
17
D3
13
D6
16
D4
14
DGND
15
D5
C6
C7
MICROPROCESSOR/
MICROCONTROLLER
INTERFACE
C8
22µF
+
10V
TANT
C5 = 22µF CERAMIC
C6, C7 = 10µF CERAMIC
L1 = OCTAPAC CTX-100-1
D1 = 1N5818
2 L1 3
1
4
CUK*
CONVERTER
5
VIN
8
VSW
4
S/S U2
7
LT1373
3
GND
NFB
6
GND S
1
VC
C9
0.01µF
C10
10µF
CER
D1
R3
4.99k
5V
–5V
C11
100µF
10V
TANT
R4
4.99k
1%
C12
0.1µF
R5
4.99k
1%
R6
499
1%
1416 F12a
Figure 12a. Using the LT1373 to Generate a – 5V Supply
ANALOG
INPUT
1µF CER
C5
1 AIN+
28
AVDD
2 AIN–
27
DVDD
3
VREF
26
VSS
4
COMP
25
BUSY
5
AGND
24
CS
6
23
D13 (MSB) CONVST
7
D12
22
RD
8
D11
21
SHDN
9
D10
10
D9
LTC1416
20
D0
19
D1
11
D8
18
D2
12
D7
17
D3
13
D6
16
D4
14
DGND
15
D5
C6
C7
C1 +
10µF
TANT
MICROPROCESSOR/
MICROCONTROLLER
INTERFACE
C5 = 22µF CERAMIC
C6, C7 = 10µF CERAMIC
1
FB/SHDN
V+ 8
2 CAP+ U1
7
OSC
3
LT1054
6
GND
VREF
4 CAP–
5
VOUT
C2
2µF
R1, 30.1k
R2, 120k
C4
100µF
TANT
+
C3
0.002µF
5V
–5V
1416 F12b
14
Figure 12b. Using the LT1054 to Generate a – 5V Supply

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