LTC1266 Linear Technology, LTC1266 Datasheet - Page 19

• Manufacturer Part Number: LTC1266
• Description: Synchronous Regulator Controller for N- or P-Channel MOSFETs
• Manufacturer: Linear Technology

TYPICAL APPLICATIO S
*
BINH
COILTRONICS CTX0212801
C
180pF
T
*
MAGNETICS Kool M 77120-A7
BINH
C
220pF
T
R
470
C
C
3300pF
C
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.
R
470
Figure 14. All N-Channel 5V to 3.3V/10A High Efficiency Regulator
C
Figure 15. All N-Channel 5V to 2.5V/5A High Efficiency Regulator
C
3300pF
1
2
3
4
5
6
7
8
C
TDRIVE
PWR V
PINV
BINH
V
C
I
SENSE
TH
IN
T
U
LTC1266
1
2
3
4
5
6
7
8
IN
–
1000pF
TDRIVE
PWR V
PINV
BINH
V
C
I
SENSE
TH
IN
T
(Layout Assist Schematics)
SENSE
BDRIVE
LTC1266-3.3
LB
PGND
SGND
SHDN
0.1 F
LB
IN
–
1000pF
OUT
V
FB
IN
+
SENSE
BDRIVE
16
15
14
13
12
11
10
9
MBR0530T1
LB
PGND
SGND
SHDN
0.1 F
LB
OUT
NC
IN
SHUTDOWN
+
16
15
14
13
12
11
10
9
MBR0530T1
SHUTDOWN
Si9410DY
Si9410DY
Si4410DY
Si4410DY
L*
5 H
R
0.02
SENSE
LTC1266-3.3/LTC1266-5
(V
D1
MBRS130T3
IN(MIN)
L*
5 H
R
0.01
SENSE
100pF
= 3.5V IF I
4V TO 9V
D1
MBRS340T3
+
+
V
IN
C
330 F
10V
3
V
3.3V
10A
100 F
10V
OS-CON
2
100k
1%
100k
1%
LOAD
OUT
4V TO 9V
OUT
+
V
< 1A)
IN
LTC1266 • F14
+
47 F
10V
OS-CON
3
C
330 F
10V
2
V
2.5V
5A
OUT
OUT
LTC1266 • F15
LTC1266
19