19
LTC1266
LTC1266-3.3/LTC1266-5
Figure 15. All N-Channel 5V to 2.5V/5A High Efficiency Regulator
(Layout Assist Schematics)
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.
MBR0530T1
0.1µF
V
IN
4V TO 9V
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
TDRIVE
PWR V
IN
PINV
BINH
V
IN
C
T
I
TH
SENSE
BDRIVE
PGND
LB
OUT
LB
IN
SGND
SHDN
NC
SENSE
+
LTC1266-3.3
1000pF
SHUTDOWN
BINH
R
SENSE
0.01
L*
5µH
Si4410DY
D1
MBRS340T3
Si4410DY
+
47µF
10V
OS-CON
3 ×
+
C
OUT
330µF
10V
3 ×
V
OUT
3.3V
10A
C
C
3300pF
R
C
470
C
T
220pF
1266 F14
MAGNETICS Kool Mµ 77120-A7 *
Figure 14. All N-Channel 5V to 3.3V/10A High Efficiency Regulator
MBR0530T1
0.1µF
V
IN
4V TO 9V
(V
IN(MIN)
= 3.5V IF I
LOAD
< 1A)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
TDRIVE
PWR V
IN
PINV
BINH
V
IN
C
T
I
TH
SENSE
BDRIVE
PGND
LB
OUT
LB
IN
SGND
SHDN
V
FB
SENSE
+
LTC1266
1000pF
SHUTDOWN
BINH
R
SENSE
0.02
L*
5µH
Si9410DY
D1
MBRS130T3
Si9410DY
+
100µF
10V
OS-CON
2 ×
+
C
OUT
330µF
10V
2 ×
V
OUT
2.5V
5A
C
C
3300pF
R
C
470
C
T
180pF
1266 F15
*TOKO 919AS-4R7M
100pF
100k
1%
97.6k
1%
TYPICAL APPLICATIO S
U
20
LTC1266
LTC1266 -3.3/LTC1266 -5
LINEAR TECHNOLOGY CORPORATION 1995
1266fa LT/TP 1000 2K REV A • PRINTED IN USA
Dimensions in inches (millimeters) unless otherwise noted.
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC1530 Synchronous Step-Down Controller in SO-8 No R
SENSE
TM
Voltage Mode, I
OUT
Up to 15A
LTC1625 97% Efficiency Synchronous Step-Down Controller No R
SENSE
Current Mode, Low Dropout, I
OUT
Up to 20A,
V
OUT
Up to 36V
LTC1628 2-Phase, Dual Synchronous Controller Minimizes C
IN
and C
OUT
, Two Outputs 4V V
IN
36V,
I
OUT
Up to 20A
LTC1735 High Efficiency Synchronous Controller Wide Input Range 3.5V V
IN
36V, 0.8V V
OUT
6V
OPTI-LOOP
TM
Compensation Minimizes C
OUT
LTC1772 SOT-23 P-Channel Controller Tiny Design, 550kHz, 2.5V V
IN
9.8V, I
OUT
Up to 4.5A
LTC1929 42A 2-Phase Synchronous Controller for Single Output I
OUT
Up to 42A with Single Controller, Minimizes C
IN
and C
OUT
, Up to 200A Out
No R
SENSE
and OPTI-LOOP are trademarks of Linear Technology Corporation.
U
PACKAGE DESCRIPTIO
S Package
16-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.016 – 0.050
(0.406 – 1.270)
0.010 – 0.020
(0.254 – 0.508)
×
45
°
0
°
– 8
°
TYP
0.008 – 0.010
(0.203 – 0.254)
1
2
3
4
5
6
7
8
0.150 – 0.157**
(3.810 – 3.988)
16
15
14
13
0.386 – 0.394*
(9.804 – 10.008)
0.228 – 0.244
(5.791 – 6.197)
12
11
10
9
S16 1098
0.053 – 0.069
(1.346 – 1.752)
0.014 – 0.019
(0.355 – 0.483)
TYP
0.004 – 0.010
(0.101 – 0.254)
0.050
(1.270)
BSC
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
*
**
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear-tech.com

LTC1266CS#TRPBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators Syn Switching Reg Controller
Lifecycle:
New from this manufacturer.
Delivery:
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