LTC1266IS-3.3 Linear Technology, LTC1266IS-3.3 Datasheet - Page 19

• Manufacturer Part Number: LTC1266IS-3.3
• Description: IC REG CNTRLR N/PCH MOSFET16SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck), Step-Up (Boost)r

Specifications of LTC1266IS-3.3

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 50mA
• Frequency - Switching: 400kHz
• Voltage - Input: 3.5 ~ 18 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

TYPICAL APPLICATIO S
*TOKO 919AS-4R7M
BINH
*
C
180pF
MAGNETICS Kool M 77120-A7
T
C
220pF
BINH
T
R
470
C
C
3300pF
C
R
470
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.
C
C
3300pF
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
U
1
2
3
4
5
6
7
8
TDRIVE
PWR V
PINV
BINH
V
C
I
SENSE
TH
IN
T
1
2
3
4
5
6
7
8
LTC1266
TDRIVE
PWR V
PINV
BINH
V
C
I
SENSE
(Layout Assist Schematics)
IN
–
TH
1000pF
IN
T
LTC1266-3.3
SENSE
IN
–
1000pF
BDRIVE
LB
PGND
SGND
SHDN
0.1 F
LB
OUT
V
FB
IN
SENSE
BDRIVE
+
LB
PGND
SGND
SHDN
0.1 F
LB
OUT
MBR0530T1
16
15
14
13
12
11
10
9
NC
IN
+
SHUTDOWN
16
15
14
13
12
11
10
9
MBR0530T1
SHUTDOWN
Si9410DY
Si9410DY
Si4410DY
Si4410DY
L*
5 H
R
0.02
LTC1266-3.3/LTC1266-5
SENSE
L*
5 H
(V
R
0.01
D1
MBRS130T3
SENSE
IN(MIN)
100pF
D1
MBRS340T3
+
= 3.5V IF I
4V TO 9V
+
1266 F14
V
IN
C
330 F
10V
3
OUT
4V TO 9V
+
V
3.3V
10A
100 F
10V
OS-CON
2
100k
1%
97.6k
1%
LOAD
V
OUT
IN
< 1A)
47 F
10V
OS-CON
3
+
1266 F15
C
330 F
10V
2
V
2.5V
5A
OUT
OUT
LTC1266
19