LTC1147 Linear Technology, LTC1147 Datasheet - Page 15

• Manufacturer Part Number: LTC1147
• Description: High Efficiency Step-Down Switching Regulator Controllers
• Manufacturer: Linear Technology

PACKAGE DESCRIPTIO
TYPICAL APPLICATIO S
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
(7.620 – 8.255)
(0.229 – 0.381)
0.300 – 0.325
0.009 – 0.015
0.325
8.255
+0.889
–0.381
+0.035
–0.015
120pF
C
T
R
1k
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.
(1.651)
*
0.065
TYP
COILTRONICS CTX10-4
IRC LR2512-01-0R050-G
1
2
3
4
(2.540 0.254)
U
0.100 0.010
V
C
I
SENSE
TH
IN
T
U
LTC1147L
–
(1.143 – 1.651)
0.1 F
0.045 – 0.065
Dimensions in inches (millimeters) unless otherwise noted.
SENSE
PDRIVE
0.01 F
SHDN
(V
GND
8-Lead PDIP (Narrow 0.300)
FB
+
)
(LTC DWG # 05-08-1510)
2.5V/2A Regulator
8
7
6
5
N8 Package
I00pF
(0.457 0.076)
0.018 0.003
(3.302 0.127)
0.130 0.005
(3.175)
0.125
MIN
(0.508)
Si9433DY
L*
10 H
R
0.05
0.020
MIN
SENSE
**
LTC1147-5/LTC1147L
(6.477 0.381)
0.255 0.015*
MBRD330
R1
49.9k
1%
R2
49.9k
1%
D1
+
3.5V TO 12V
C
220 F
10V 2
AVX
8
1
LTC1147-3.3
OUT
+
V
IN
LTC1147 • F11
2.5V/2A
2
(10.160)
7
0.400*
C
15 F
25V 2
MAX
IN
6
3
N8 1197
4
5
15