Datasheet

LT1683
23
1683fd
TYPICAL APPLICATIONS
Ultralow Noise 48V to ±12V DC/DC Converter
L1
10µH
C2
33µF
16V, ×2
C1
33µF
16V, ×2
MBR01100
L2
10µH
3
10
1683 TA03
1113
SHDN
CAP A
NFB
LT1683
GND
V
IN
17
14 2
GCL
SS
V5
SYNC
GATE A
5
1
C
T
CAP B
6
18
R
T
GATE B
7
19
8
R
CSL
16
V
C
15
12
R
VSL
CS
4
PGND
20
FB
9
5pF
5pF
Si9422
Si9422
0.068Ω
976Ω
23.2k
10nF
1k
3.3k
25k
25k
3.3k
16.9k
1200pF
47µF
100V
48V
C3
10µF
25V
12V
8.2V
10k
510Ω
0.5W
2N3904
C4
22µF
50V
25pF
22nF0.22µF
8.66k
1k
2.74k
10.0k
FZT853
5pF
200V
25pF
5pF
200V
–12V/1A
12V/1A
D1
D4
D5
D7
D6
D2
D3
CTX0215542
T1
1
2
3,4
5
6
7
8,9
10
C1, C2:SANYO 16TPC33
C3: MURATA GRM235Y5V106Z
C4: NIPPON THCR60EIE226Z
D1, D2, D3 IN4148
D4, D5, D6, D7 MBRS1100
L1, L2: COOPER DS50224
T1: COOPER CTX02-15542