MIC4574BN 데이터 시트보기 (PDF) - Micrel
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MIC4574BN Datasheet PDF : 6 Pages
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MIC4574
Micrel
5
SHDN
12
SW
6V to 24V 10 MIC4574BWM 3
VIN
FB
C1
SGND PGND
10µF
35V
4
6
L1
100µH
D1
R2
2.49k
1%
R1
1.50k
1%
MBRS130LT3
C1 AVX
TPSD106M035R0300, ESR = 0.3Ω
C2 AVX
TPSE337M006R0100, ESR = 0.1Ω
D1 Motorola MBRS130LT3
L1 Coiltronics CTX100-2P, DCR = 0.541Ω
3.3V/0.5A
C3
3300pF
C2
330µF
6.3V
Figure 4. 6V–24V to 3.3V/0.5A Buck Converter
Low-Profile Surface Mount
5 SHDN
SW 12
6V to 24V
C1
68µF
35V
MIC4574-3.3BWM
10 VIN
FB 3
SGND PGND
4
6
L1
3.3V/0.5A
100µH
D1
MBRS130LT3
C2
470µF
16V
C1 Sanyo
C2 Sanyo
D1 Motorola
L1 Coilcraft
35CV168GX, ESR = 0.34Ω
16CV470GX, ESR = 0.17Ω
MBRS130LT3
DO3316P-104, DCR = 0.23Ω
Figure 7. 6V–24V to 3.3V/0.5A Buck Converter
Low-Cost Surface Mount
5
SHDN
12
SW
8V to 24V 10 MIC4574BWM 3
VIN
FB
C1
SGND PGND
10µF
4
6
35V
L1
100µH
R2
3.01k
1%
R1
D1
1.00k
1%
MBRS130LT3
5V/0.5A
C3
3300pF
C2
220µF
10V
5 SHDN
SW 12
8V to 24V
C1
68µF
35V
MIC4574-5.0BWM
10 VIN
FB 3
SGND PGND
4
6
L1
100µH
5V/0.5A
D1
MBRS130LT3
C2
470µF
16V
C1 AVX
TPSD106M035R0300, ESR = 0.3Ω
C2 AVX
TPSE227M010R0100, ESR = 0.1Ω
D1 Motorola MBRS130LT3
L1 Coiltronics CTX100-2P, DCR = 0.541Ω
C1 Sanyo
C2 Sanyo
D1 Motorola
L1 Coilcraft
35CV168GX, ESR = 0.34Ω
16CV470GX, ESR = 0.17Ω
MBRS130LT3
DO3316P-104, DCR = 0.23Ω
Figure 5. 8V–24V to 5V/0.5A Buck Converter
Low-Profile Surface Mount
Figure 8. 8V–24V to 5V/0.5A Buck Converter
4
Low-Cost Surface Mount
5
SHDN
12
SW
16V to 24V 10 MIC4574BWM 3
VIN
FB
C1
SGND PGND
10µF
4
6
50V
L1
250µH
D1
SS16
R2
13.0k
1%
R1
1.50k
1%
12V/0.5A
C3
3300pF
C2
68µF
20V
C1 Tokin
C55Y5U1H106Z
C2 AVX
TPSE686M020R0150, ESR = 0.15Ω
D1 General Instruments SS16
L1 Coiltronics CTX250-4P, DCR = 0.434Ω
Figure 6. 16V–24V to 12V/0.5A Buck Converter
Low-Profile Surface Mount
5
SHDN
12
SW
16V to 24V 10 MIC4574BWM 3
VIN
FB
C1
SGND PGND
47µF
50V
4
6
L1
220µH
D1
SS16
R2
13.0k
1%
R1
1.50k
1%
12V/0.5A
C2
470µF
16V
C1 Nichicon UUX1H470MNT1GS, ESR = 0.4Ω
C2 Sanyo 16CV470GX, ESR = 0.17Ω
D1 General Instruments SS16
L1 Coilcraft DO3316-224, DCR = 0.53Ω
Figure 9. 16V–24V to 12V/0.5A Buck Converter
Low-Cost Surface Mount
April 1998•
4-97
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