LTC1625 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1625' PDF : 24 Pages View PDF
TYPICAL APPLICATIONS
LTC1625
3.3V/4A Fixed Output with 12V/120mA Auxiliary Output
CF
0.1µF
RF
4.7Ω
CSS
0.1µF
EXT
CLK
RC
10k
CC1
470pF
CC2
220pF
1
EXTVCC
16
VIN
2
SYNC
3
RUN/SS
15
TK
14
SW
4
LTC1625
13
FCB
TG
5
ITH
12
BOOST
6
SGND
7
VOSENSE
8
VPROG
11
INTVCC
10
BG
9
PGND
CB
0.22µF
DB
CMDSH-3
CVCC
4.7µF
+
CIN: SANYO 30SC10M
COUT: AVX TPSD107M010R0065
CSEC: AVX TAJB335M035R
T1: BH ELECTRONICS 510-1079
*YES! USE A STANDARD RECOVERY DIODE
VIN
+ CIN 6V TO 20V
10µF
30V
M1
×2
IRLR3103
• T1
8µH
CS
1:2.53
0.1µF
•
DS
SM4003TR*
RS
100k
+
M3
NDT410EL
R1
4.7k
M2
IRLR3103
D1
MBRS140T3
D2
CDMSH-3
C1
0.01µF
VSEC
12V
120mA
CSEC
3.3µF
35V
R4
95.3k
1%
R3
11k
1%
VOUT
3.3V
+
COUT 4A
100µF
10V
0.065Ω
×3
1625 TA04
12V/2.2A Adjustable Output
CSS
0.1µF
CC
470pF RC
22k
1
EXTVCC
16
VIN
2
SYNC
3
RUN/SS
15
TK
14
SW
4
LTC1625
13
FCB
TG
5
ITH
12
BOOST
6
SGND
7
VOSENSE
8
OPEN
VPROG
11
INTVCC
10
BG
9
PGND
CIN: AVX TPSE226M020R0300
COUT: AVX TPSE686M020R0150
L1: SUMIDA CDRH127-270MC
CF
0.1µF
RF
4.7Ω
DB
CMDSH-3
CB
0.1µF
CVCC
4.7µF
+
+
M1
Si4412DY
L1
27µH
CIN
22µF
35V
×2
M2
Si4412DY
R2
35.7k
1%
+
R1
3.92k
1%
VIN
12.5V TO 28V
VOUT
12V
2A
COUT
68µF
20V
0.15Ω
×2
1625TA06
21
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