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LTC3737 Datasheet(PDF) 21 Page - Linear Technology

Part # LTC3737
Description  Dual 2-Phase, No RSENSE DC/DC Controller with Output Tracking
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3737 Datasheet(HTML) 21 Page - Linear Technology

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21
LTC3737
3737f
VFB2
7
24
220pF
100pF
15k
220pF
100pF
15k
1
187k
59k
1
µF
118k
59k
59k
118k
22
21
20
19
M1
D1
C1
47
µF
C3
10
µF
×2
VIN
5V
VOUT1
2.5V
3A
C2
47
µF
M2
L2
2.2
µH
L1
2.2
µH
8
6
10
11
12
PVIN2
ITH2 TRACK SW2 SENSE2
+
VFB1
IPRG1
IPRG2
PLLLPF
SGND
VIN
PGOOD
18
17
16
15
14
13
23
2
3
4
5
9
SYNC/MODE
PGATE1
PGND
PGATE2
RUN/SS
NC
NC
ITH1 SW1 SENSE1
+
LTC3737EUF
PVIN1
D2
+
VOUT2
1.8V
3A
3737 TA01
C1, C2: SANYO 6TPA47M
C3: TAIYO YUDEN LMK325BJ106K-T
D1, D2: IR 10BQ015
L1, L2: COILCRAFT D03316P-22
M1, M2: Si9803DY
1M
10
Ω
2-Phase, 750kHz, Burst Mode Dual Output Step-Down DC/DC Converter
TYPICAL APPLICATIO S
VFB2
7
24
220pF
100pF
15k
220pF
100pF
15k
1
187k
59k
1
µF
118k
59k
59k
118k
22
21
20
19
M1
D1
C1
150
µF
C3
22
µF
×2
VIN
5V
VOUT1
2.5V
5A
C2
150
µF
M2
L2
1.5
µH
L1
1.5
µH
8
6
10
11
12
CSS
10nF
PVIN2
ITH2 TRACK SW2 SENSE2
+
VFB1
IPRG1
IPRG2
PLLLPF
SGND
VIN
PGOOD
18
17
16
15
14
13
23
2
3
4
5
9
SYNC/MODE
PGATE1
PGND
PGATE2
RUN/SS
NC
NC
ITH1 SW1 SENSE1
+
LTC3737EUF
PVIN1
D2
+
VOUT2
1.8V
5A
3737 F13
C1, C2: SANYO 4TPB150MC
C3: TAIYO YUDEN LMK325BJ106K-T
D1, D2: SBM540
L1, L2: VISHAY IHLP-2525CZ-01-1.5
M1, M2: FDC602P
10
Ω
1M
APPLICATIO S I FOR ATIO
Figure 13. 2-Phase, 550kHz, Dual Output Step-Down DC/DC Converter



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