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LTC1267CG Datasheet(PDF) 2 Page - Linear Technology

Part # LTC1267CG
Description  Dual High Efficiency Synchronous Step-Down Switching Regulators
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1267CG Datasheet(HTML) 2 Page - Linear Technology

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LTC1267
LTC1267-ADJ/LTC1267-ADJ5
A
G
A
U
A
R
BSOLUTEXI
TI
S
Input Supply Voltage (Pin 2) ..................... – 0.3V to 40V
VCC Output Current (Pin 1) .................................. 50mA
EXT VCC Input Voltage (Pin 28) .............................. 10V
Continuous Output Current (Pins 5, 6, 23, 24) .... 50mA
Sense Voltages
LTC1267 (Pins 13, 14, 17, 18) ............. VCC to – 0.3V
LTC1267-ADJ (Pins 12, 13, 17, 18) ..... VCC to – 0.3V
LTC1267-ADJ5 (Pins 12, 13, 17, 18) ... VCC to – 0.3V
Shutdown Voltages
LTC1267 (Pins 12, 19, 27) ................................... 7V
LTC1267-ADJ (Pins 11, 27) ................................. 7V
LTC1267-ADJ5 (Pins 11, 19, 27) ......................... 7V
Operating Ambient Temperature Range ...... 0
°C to 70°C
Extended Commercial
Temperature Range ........................... – 40
°C to 85°C
Junction Temperature (Note 1) ............................ 125
°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec) ................. 300
°C
PACKAGE/ORDER I FOR ATIO
ORDER PART
NUMBER
LTC1267CG
ORDER PART
NUMBER
LTC1267CG-ADJ5
ORDER PART
NUMBER
LTC1267CG-ADJ
Consult factory for Industrial and Military grade parts.
The LTC1267 demo circuit board is now available. Consult factory.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VCC
VIN
CAP3
PGATE 3
PDRIVE 3
NGATE 3
PGND3
VCC3
CT3
ITH3
SGND3
SHDN3
SENSE – 3
SENSE+3
28
27
26
25
24
23
22
21
20
19
18
17
16
15
G PACKAGE
28-LEAD PLASTIC SSOP
TJMAX = 125°C, θJA = 95°C/W
TOP VIEW
EXT VCC
MSHDN
CAP5
PGATE 5
PDRIVE 5
NGATE 5
PGND5
VCC5
SGND5
SHDN5
SENSE+5
SENSE – 5
CT5
ITH5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VCC
VIN
CAP1
PGATE 1
PDRIVE 1
NGATE 1
VCC1
CT1
ITH1
SGND1
SHDN1
SENSE – 1
SENSE+1
VFB1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
G PACKAGE
28-LEAD PLASTIC SSOP
TJMAX = 125°C, θJA = 95°C/W
TOP VIEW
EXT VCC
MSHDN
CAP5
PGATE 5
PDRIVE 5
NGATE 5
PGND
VCC5
SGND5
SHDN5
SENSE+5
SENSE – 5
CT5
ITH5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VCC
VIN
CAP1
PGATE 1
PDRIVE 1
NGATE 1
VCC1
CT1
ITH1
SGND1
SHDN1
SENSE – 1
SENSE+1
VFB1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
G PACKAGE
28-LEAD PLASTIC SSOP
TJMAX = 125°C, θJA = 95°C/W
TOP VIEW
EXT VCC
MSHDN
CAP2
PGATE 2
PDRIVE 2
NGATE 2
PGND
VCC2
SGND2
VFB2
SENSE+2
SENSE – 2
CT2
ITH2



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