LTC1267-ADJ View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1267-ADJ' PDF : 16 Pages View PDF
LTC1267
LTC1267-ADJ/LTC1267-ADJ5
TYPICAL APPLICATIONS N
LTC1267-ADJ Dual Regulator with 3.6V/2.5A and 5V/2A Outputs
VIN
5.4V to 25V
VOUT1
3.6V
2.5A
COUT1
220µF
10V
×2
CIN1
100µF
50V
RSENSE1
0.04Ω
3.3µF
P-CH
Si9435DY
L1
20µH
D1
MBRS140T3
R2
100k
1%
R1
52.3k
1%
+
1N4148
0.15µF
0.15µF
1N4148
7
3
1
2
27 26
28 21
4
0.1µF
5
13
1000pF
12
11
6
N-CH
Si9410DY
VCC1 CAP1 VCC
PGATE 1
PDRIVE 1
SENSE+ 1
SENSE– 1
SHDN1
NGATE 1
VFB1 SGND1 CT1
14 10 8
VIN MSHDN
LTC1267-ADJ
CAP2
EXT VCC VCC2
25
PGATE 2
24
PDRIVE 2
SENSE+ 2 18
SENSE– 2 17
NGATE 2 23
22
PGND2
ITH1 ITH2 CT2 SGND2 VFB2
9
15 16
20 19
0.1µF
1000pF
N-CH
Si9410DY
100pF
CT1 CC1
CC2 CT2
100pF
270pF 3300pF 3300pF 270pF
RC1 RC2
1k
1k
+
P-CH
Si9435DY
L2
33µH
3.3µF
RSENSE2
0.05Ω
D2
MBRS140T3
+
R2
150k
1%
R1
49.9k
1%
RSENSE1: KRL SL-1R040J
L1: COILTRONICS CTX20-4
MSHDN, SHDN1
0V = NORMAL, >2V = SHDN
RSENSE2: KRL SL-1R050J
L2: COILTRONICS CTX33-4
LTC1267 • F010
CIN2
100µF
50V
VOUT2
5V
2A
COUT2
220µF
10V
×2
LTC1267-ADJ5 Dual Regulator with 3.45V/2.5A and 5V/2A Outputs
VIN
5.4V to 25V
VOUT1
3.45V
2.5A
COUT1
220µF
10V
×2
CIN1
100µF
50V
RSENSE1
0.04Ω
3.3µF
P-CH
Si9435DY
L1
20µH
D1
MBRS140T3
R2
100k
1%
R1
56.2k
1%
1N4148
0.15µF
0.15µF
1N4148
7
3
1
2
27 26
28 21
4
0.1µF
5
13
1000pF
12
11
6
N-CH
Si9410DY
VCC1 CAP1 VCC
PGATE 1
PDRIVE 1
SENSE+ 1
SENSE– 1
SHDN1
NGATE 1
VFB1 SGND1 CT1
14 10 8
VIN MSHDN
LTC1267-ADJ5
CAP5
EXT VCC VCC5
25
PGATE 5
24
PDRIVE 5
SENSE+ 5 18
0.1µF
1000pF
SENSE– 5 17
SHDN5 19
23
NGATE 5
N-CH
ITH1 ITH5 CT5 SGND5 PGND Si9410DY
9
15 16
20 22
100pF
CT1 CC1
CC5
CT5
270pF 3300pF 3300pF 270pF
RC1 RC5
1k
1k
+
+
P-CH
Si9435DY
L2
33µH
3.3µF
RSENSE2
0.05Ω
D2
MBRS140T3
+
RSENSE1: KRL SL-1R040J
L1: COILTRONICS CTX20-4
MSHDN, SHDN1, SHDN5
0V = NORMAL, >2V = SHDN
RSENSE2: KRL SL-1R050J
L2: COILTRONICS CTX33-4
LTC1267 • F011
CIN2
100µF
50V
VOUT2
5V
2A
COUT2
220µF
10V
×2
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
15
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