LTC1773 LINER [Linear Technology], LTC1773 Datasheet - Page 19

• Manufacturer Part Number: LTC1773
• Description: Synchronous Step-Down DC/DC Controller
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIONS
PACKAGE DESCRIPTIO
NOTE:
1. DIMENSIONS IN MILLIMETER/(INCH)
2. DRAWING NOT TO SCALE
3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.
MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
(.0120 ± .0015)
0.305 ± 0.038
TYP
GAUGE PLANE
(.206)
(.007)
5.23
MIN
0.18
RECOMMENDED SOLDER PAD LAYOUT
(.010)
0.254
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
L1: CDRH5D28
R
IN
SENSE
0.1µF
33pF
, C
30k
80.6k
Figure 15. 5V to 1.8V/2A Regulator with Ceramic Capacitors
1%
OUT
U
DETAIL “A”
: IRC LR1206-01-R040-F
: TAIYO YUDEN LMK550BJ476MM
DETAIL “A”
U
200pF
0.889 ± 0.127
(.035 ± .005)
(.126 – .136)
V
3.20 – 3.45
IN
0° – 6° TYP
(.0197)
0.50
BSC
1
2
3
4
5
I
RUN/SS
SYNC/FCB
V
GND
(.021 ± .006)
TH
0.53 ± 0.152
FB
LTC1773
(Reference LTC DWG # 05-08-1661)
SENSE
10-Lead Plastic MSOP
SW
V
TG
BG
IN
100k
–
1%
10
9
8
7
6
MS Package
Si9942DY
R
4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX
0.04Ω
SENSE
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
SEATING
PLANE
2.5µH
L1
(.118 ± .004)
3.00 ± 0.102
(.007 – .011)
(.193 ± .006)
0.17 – 0.27
4.90 ± 0.152
(NOTE 3)
TYP
V
1.8V
(.043)
OUT
2A
1.10
MAX
4.5V ≤ V
C
47µF
10V
OUT
(.0197)
0.50
BSC
10
1 2 3 4 5
9
IN
8
≤ 5.5V
1773 TA09
C
47µF
10V
7 6
IN
(.118 ± .004)
3.00 ± 0.102
(.0196 ± .003)
0.497 ± 0.076
(NOTE 4)
(.034)
0.86
REF
0.127 ± 0.076
(.005 ± .003)
MSOP (MS) 0603
REF
LTC1773
19
1773fb