LTM4605 Просмотр технического описания (PDF) - Linear Technology
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LTM4605 Datasheet PDF : 24 Pages
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TYPICAL APPLICATIONS
LTM4605
VIN
4.5V TO 12V
4.7μF
35V
ON/OFF
R1
1.5k
R3
1k C3
0.1μF
CLOCK SYNC
PGOOD VIN PLLIN VOUT
RUN
FCB
COMP LTM4605
INTVCC
SW1
PLLFLTR
SW2
EXTVCC
STBYMD
RSENSE
SENSE+
SS
SGND
SENSE–
PGND
VFB
2200pF
2Ω
L1
3.3μH
OPTIONAL
FOR LOW
SWITCHING NOISE
R2
7mΩ
RFB
7.15k
4605 TA03
Figure 15. Boost Mode Operation with 4.5V to 12V Input
22μF +
25V
x2
330μF
25V
VOUT
12V
5A
VIN
4.5V TO 20V
10μF
35V
x2
ON/OFF
R1
1.5k
R3 C3
1k 0.1μF
CLOCK SYNC
PGOOD VIN PLLIN VOUT
RUN
FCB
COMP LTM4605
INTVCC
SW1
PLLFLTR
SW2
EXTVCC
STBYMD
RSENSE
SENSE+
SS
SGND
SENSE–
PGND
VFB
L1
3.3μH
R2
7mΩ
RFB
7.15k
22μF +
25V
x2
4605 TA04
330μF
25V
VOUT
12V
5A
Figure 16. Wide Input Mode with 4.5V to 20V Input, 12V at 5A Output
4605fa
21
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