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ManualsBrandsLinear Technology ManualsDC / DC Adjustable Switching RegulatorsSwitching Regulator IC Step-Down BGA-600 ... 5.5V
21222324252627282930
LTM4644/LTM4644-1
28
Rev. F
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TYPICAL APPLICATIONS
Figure 34. 2.375V to 5V Input, Quad 1V, 1.2V, 1.5V, 1.8V Output
4644 F41
V
IN1
SVIN1
RUN1
INTV
CC1
MODE1
V
IN2
SVIN2
RUN2
INTV
CC2
MODE2
V
IN3
SVIN3
RUN3
INTV
CC3
MODE3
V
IN4
SVIN4
RUN4
INTV
CC4
MODE4
SGND
LTM4644
CLKIN
10µF
×4
6.3V
1206
CLKOUT
TEMP GND
V
OUT1
FB1
COMP1
TRACK/SS1
PGOOD1
V
OUT2
FB2
COMP2
TRACK/SS2
PGOOD2
V
OUT3
FB3
COMP3
TRACK/SS3
PGOOD3
V
OUT4
FB4
COMP4
TRACK/SS4
PGOOD4
47µF
4V
0805
1.8V/4A2.375V to 5V
1µF
6.3V
5V BIAS
30.1k
0.1µF
0.1µF
0.1µF
0.1µF
47µF
4V
0805
1.5V/4A
40.2k
47µF
4V
0805
1.2V/4A
60.4k
47µF
4V
0805
1V/4A
90.9k
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