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ManualsBrandsLINEAR TECHNOLOGY ManualsPMICsPMIC - DC/DC voltage regulator Holder QFN 24
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LTC3605A
19
3605afg
For more information www.linear.com/LTC3605A
Typical applicaTions
Dual Output Tracking Application
Dual Output Tracking Waveform
CLKIN
RT
24
1
2
3
4
5
6
23
C1
2.2µF
C
IN1
22µF
×2
0.1µF
V
IN1
4V TO 20V
V
OUT1
1.8V
5A
0.1µF
C
OUT1
47µF
0.1µF10pF100pF
22 21
D1
20 19
10Ω
18
17
16
L1 0.33µH
15
14
13
7 8
100k
162k
16.2k
7.5k
2.49k
4.99k
9 10 11 12
SGNDPGND
PHMODE
MODE
FB
TRACK/SS
ITH
PV
IN
PV
IN
SW
SW
SW
SW
CLKOUT SGND
LTC3605A
INTV
CC
BOOST SV
IN
RUN
SV
IN1
PGOOD V
ON
PGND SW SW
CLKIN
RT
24
1
2
3
4
5
6
23
C2
2.2µF
C
IN2
22µF
×2
0.1µF
V
IN2
4V TO 20V
V
OUT2
1.2V
5A
0.1µF
C
OUT2
47µF
10pF100pF
22 21
D2
20 19
10Ω
18
17
16
L2 0.33µH
15
14
13
7 8
100k
162k
16.2k
4.99k
4.99k
3605A TA04
9 10 11 12
SGNDPGND
PHMODE
MODE
FB
TRACK/SS
ITH
PV
IN
PV
IN
SW
SW
SW
SW
CLKOUT SGND
LTC3605A
INTV
CC
BOOST SV
IN
RUN
SV
IN2
PGOOD V
ON
PGND SW SW
C1, C2: AVX 0805ZD225MAT2A
C
IN1
, C
IN2
: TDK C4532X5RIC226M
C
OUT1
, C
OUT2
: TDK C3216X5ROJ476M
D1, D2: CENTRAL SEMI CMDSH-3
L1, L2: VISHAY IHLP-2525CZERR33-M01
V
IN
= 12V
V
OUT1
= 1.8V, V
OUT2
= 1.2V
I
OUT1
= 80mA, I
OUT2
= 80mA
500µs/DIV
V
OUT1
500mV/DIV
V
OUT2
500mV/DIV
3605A TA04b
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